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STEbus-Maturity-Many processors were available on STEbus cards, across a range of price and performance. These boards included the Intel 8031, 8085, 8088, 80188; the National Semiconductor 32008 and 32016; the Motorola 6809, 68000, and 68008; The Zilog Z80 and Z280; the Hitachi HD64180; and the Inmos Transputer.The STE... | milkshake721/2.1M-wiki-STEM |
STEbus-Maturity-Peripheral boards included prototyping boards, disc controllers, video cards, serial I/O, analogue and digital I/O.
The STEbus achieved its goal of providing a rack-mounting system robust enough for industrial use, with easily interchangeable boards and processor independence.Researchers describe STEbus... | milkshake721/2.1M-wiki-STEM |
STEbus-Decline-The STEbus market began to decline as the IBM PC made progress into industrial control systems. Customers opted for PC-based products as the software base was larger and cheaper. More programmers were familiar with the PC and did not have to learn new systems. | milkshake721/2.1M-wiki-STEM |
STEbus-Decline-Memory costs fell, so there was less reason to have bus-based memory expansion when one could have plenty on the processor board. So despite the disadvantages, manufacturers created industrial PC systems and eventually dropped other bus systems. As time went on, PC systems did away with the need for card... | milkshake721/2.1M-wiki-STEM |
STEbus-Decline-As of 2013, some manufacturers still support STEbus, G64, Multibus II, and other legacy bussed systems.The IEEE have withdrawn the standard, not because of any faults but because it is no longer active enough to update. | milkshake721/2.1M-wiki-STEM |
STEbus-Physical format-3U Eurocard - The most common size was the 100 x 160 mm Eurocard.
6U Eurocard - Rare, sometimes used in VMEbus hybrid boards | milkshake721/2.1M-wiki-STEM |
STEbus-Connector-DIN 41612, rows a and c, 0.1" pitch.
VME/STE hybrid boards have the STEbus and VMEbus sharing the VME P2 connector, VME signals on row b. For this reason, STEbus boards may not use row b for any purpose. | milkshake721/2.1M-wiki-STEM |
STEbus-Pinout-Active low signals indicated by asterisk.
GND: Ground reference voltage +5V: Powers most logic.
+12V and -12V: Primarily useful for RS232 buffer power. The +12V has been used for programming voltage generators. Both can be used in analogue circuitry, but note that these are primarily power rails for digit... | milkshake721/2.1M-wiki-STEM |
STEbus-Pinout-In practice, this means that most boards requiring backup power tend to play safe and have a battery on board, often with a link to allow them to supply or accept power from VSTBY. Hence you can end up with more batteries in your system than you need, and you must then take care that no more than one batt... | milkshake721/2.1M-wiki-STEM |
STEbus-Pinout-D0...7: Data bus. This is only 8-bits wide, but most I/O or memory-mapped peripherals are byte-oriented. | milkshake721/2.1M-wiki-STEM |
STEbus-Pinout-A0...19: Address bus. This allows up to 1 MByte of memory to be addressed. Current technology is such that processor requiring large amounts of memory have this on the processor board, so this is not a great limitation. I/O space is limited to 4K, to simplify I/O address decoding to a practical level. A s... | milkshake721/2.1M-wiki-STEM |
STEbus-Pinout-Typically 8 small jumpers or a single unit of 8 DIP switches or two binary-coded hexadecimal rotary switches are used to give each I/O slave board a unique address.CM0...2: Command Modifiers. These indicate the nature of the data transfer cycle. | milkshake721/2.1M-wiki-STEM |
STEbus-Pinout-A simple processor board can drive CM2 high for all bus access, drive CM1 from a memory/not_IO signal, and CM0 from a read/not_write signal. CM2 low state is used only during "attention request" phases (for interrupts and/or DMA cycles) for Explicit Response mode. When Implicit Response mode is used, the ... | milkshake721/2.1M-wiki-STEM |
STEbus-Pinout-ATNRQ0...7*: Attention Requests. These are reserved for boards to signal for processor attention, a term which covers Interrupts and Direct Memory Access (DMA). The wise choice of signal does not commit these lines to being specific types, such as maskable interrupts, non-maskable interrupts, or DMA.
The ... | milkshake721/2.1M-wiki-STEM |
STEbus-Pinout-ADRSTB*: Address Strobe. This signal indicates the address bus is valid. Originally, this had some practical use in DRAM boards which could start strobing the address lines into DRAM chips before the data bus was ready. The STEbus spec was later firmed up to say that slaves were not allowed to start trans... | milkshake721/2.1M-wiki-STEM |
STEbus-Pinout-SYSCLK: System Clock. Fixed at 16 MHz. 50% duty cycle.
SYSRST*: System Reset.
The backplane connects all the DIN connectors in parallel.
So a STEbus expansion card sees the same signals no matter which slot of the backplane it is plugged into. | milkshake721/2.1M-wiki-STEM |
STEbus-Types of signals-The SYSCLK must be driven by only one board in the system. As explained in the standard, this signal shall be generated by the System Controller.
The System Controller is also in charge of the Bus Arbitration in case there are multiple masters. When there is only one Master, the System Controlle... | milkshake721/2.1M-wiki-STEM |
STEbus-Technical notes-Signal inputs must be Schmitt trigger Only one TTL load per bus line signal per board Signal outputs must have a fanout of 20 Backplane can have up to 21 sockets 50mm maximum length of bus signal line PCB trace on any board 500 mm maximum length of bus signal line length Active bus-termination re... | milkshake721/2.1M-wiki-STEM |
Chntpw-Chntpw-chntpw is a software utility for resetting or blanking local passwords used by Windows NT operating systems on Linux. It does this by editing the SAM database where Windows stores password hashes. | milkshake721/2.1M-wiki-STEM |
Chntpw-Features-There are two ways to use the program: via the standalone chntpw utility installed as a package available in most modern Linux distributions (e.g. Ubuntu) or via a bootable CD/USB image. There also was a floppy release, but its support has been dropped. | milkshake721/2.1M-wiki-STEM |
Chntpw-Limitations-chntpw has no support for fully encrypted NTFS partitions (the only possible exceptions to this are encrypted partitions readable by Linux such as LUKS), usernames containing Unicode characters, or Active Directory passwords (with the exception of local users of systems that are members of an AD doma... | milkshake721/2.1M-wiki-STEM |
Chntpw-Where it is used-The chntpw utility is included in many various Linux distributions, including ones focused on security: Kali – security-focused Linux distribution SystemRescueCD – recovery-focused Linux distribution Fedora – general distribution Ubuntu – Linux distribution published by Canonical | milkshake721/2.1M-wiki-STEM |
Chntpw-License change-For the software's 10th anniversary, the author changed the license from a non-commercial one to the GNU General Public License (GPL) Version 2. | milkshake721/2.1M-wiki-STEM |
Master data management-Master data management-Master data management (MDM) is a technology-enabled discipline in which business and information technology work together to ensure the uniformity, accuracy, stewardship, semantic consistency and accountability of the enterprise's official shared master data assets. | milkshake721/2.1M-wiki-STEM |
Master data management-Drivers for master data management-Organisations, or groups of organisations, may establish the need for master data management when they hold more than one copy of data about a business entity. Holding more than one copy of this master data inherently means that there is an inefficiency in maint... | milkshake721/2.1M-wiki-STEM |
Master data management-Drivers for master data management-There are a number of root causes for master data issues in organisations. These include: Business unit and product line segmentation Mergers and acquisitions Business unit and product line segmentation As a result of business unit and product line segmentation,... | milkshake721/2.1M-wiki-STEM |
Master data management-Drivers for master data management-A typical example is the scenario of a bank at which a customer has taken out a mortgage and the bank begins to send mortgage solicitations to that customer, ignoring the fact that the person already has a mortgage account relationship with the bank. This happen... | milkshake721/2.1M-wiki-STEM |
Master data management-Drivers for master data management-Mergers and acquisitions One of the most common reasons some large corporations experience massive issues with master data management is growth through mergers or acquisitions. Any organizations which merge will typically create an entity with duplicate master d... | milkshake721/2.1M-wiki-STEM |
Master data management-Drivers for master data management-Another problem concerns determining the proper degree of detail and normalization to include in the master data schema. For example, in a federated HR environment, the enterprise may focus on storing people data as a current status, adding a few fields to ident... | milkshake721/2.1M-wiki-STEM |
Master data management-People, process and technology-Master data management is enabled by technology, but is more than the technologies that enable it. An organisation's master data management capability will include also people and process in its definition.
People Several roles should be staffed within MDM. Most pro... | milkshake721/2.1M-wiki-STEM |
Master data management-People, process and technology-Process Master data management can be viewed as a "discipline for specialized quality improvement" defined by the policies and procedures put in place by a data governance organization. It has the objective of providing processes for collecting, aggregating, matchin... | milkshake721/2.1M-wiki-STEM |
Master data management-People, process and technology-Technology A master data management tool can be used to support master data management by removing duplicates, standardizing data (mass maintaining), and incorporating rules to eliminate incorrect data from entering the system in order to create an authoritative sou... | milkshake721/2.1M-wiki-STEM |
Master data management-People, process and technology-Implementation models There are a number of models for implementing a technology solution for master data management. These depend on an organisation's core business, its corporate structure and its goals. These include: Source of record Registry Consolidation Coexi... | milkshake721/2.1M-wiki-STEM |
Master data management-People, process and technology-The source of record can be federated, for example by groups of attribute (so that different attributes of a master data entity may have different sources of record) or geographically (so that different parts of an organisation may have different master sources). Fe... | milkshake721/2.1M-wiki-STEM |
Master data management-People, process and technology-The source of record model can be applied more widely than simply to master data, for example to reference data.
Transmission of master data There are several ways in which master data may be collated and distributed to other systems. This include: Data consolidatio... | milkshake721/2.1M-wiki-STEM |
Master data management-Change management in implementation-Master data management can suffer in its adoption within a large organization if the "single version of the truth" concept is not affirmed by stakeholders, who believe that their local definition of the master data is necessary. For example, the product hierarc... | milkshake721/2.1M-wiki-STEM |
Rebound attack-Rebound attack-The rebound attack is a tool in the cryptanalysis of cryptographic hash functions. The attack was first published in 2009 by Florian Mendel, Christian Rechberger, Martin Schläffer and Søren Thomsen. It was conceived to attack AES like functions such as Whirlpool and Grøstl, but was later s... | milkshake721/2.1M-wiki-STEM |
Rebound attack-The attack-The Rebound Attack is a type of statistical attack on hash functions, using techniques such as rotational and differential cryptanalysis to find collisions and other interesting properties. The basic idea of the attack is to observe a certain differential characteristic in a block cipher (or ... | milkshake721/2.1M-wiki-STEM |
Rebound attack-The attack-Thus, the rebound attack consists of 2 phases: The inbound (or match-in-the-middle) phase, covers the part of the differential characteristic that is difficult to satisfy in a probabilistic way. The goal here is to find many solutions for this part of the characteristic with a low average comp... | milkshake721/2.1M-wiki-STEM |
Rebound attack-The attack-In the outbound phase each solution of the inbound phase is propagated outwards in both directions, while checking whether the characteristic also holds in this phase. The probability of the characteristic in the outbound phase should be as high as possible.The advantage of using an inbound an... | milkshake721/2.1M-wiki-STEM |
Rebound attack-Detailed description of the attack on hash functions with AES-like compression functions-Consider a hash function which uses an AES-like substitution-permutation block cipher as its compression function. This compression function consists of a number of rounds composed of S-boxes and linear transformatio... | milkshake721/2.1M-wiki-STEM |
Rebound attack-Detailed description of the attack on hash functions with AES-like compression functions-In the outbound phase the goal is to propagate the characteristics found in the inbound phase backwards and forwards, and check whether the desired characteristics are followed. Here, truncated differentials are usua... | milkshake721/2.1M-wiki-STEM |
Rebound attack-Example attack on Whirlpool-The Rebound Attack can be used against the hash function Whirlpool to find collisions on variants where the compression function (the AES-like block cipher, W) is reduced to 4.5 or 5.5 rounds. Near-collisions can be found on 6.5 and 7.5 rounds. Below is a description of the 4.... | milkshake721/2.1M-wiki-STEM |
Rebound attack-Example attack on Whirlpool-Pre-computation To make the rebound attack effective, a look-up table for S-box differences is computed before the attack. Let S:{0,1}8→{0,1}8 represent the S-box. Then for each pair (a,b)∈{0,1}8 we find the solutions x (if there are any) to the equation S(x)⊕S(x⊕a)=b ,wher... | milkshake721/2.1M-wiki-STEM |
Rebound attack-Example attack on Whirlpool-Performing the attack To find a collision on 4.5 rounds of Whirlpool, a differential characteristic of the type shown in the table below must be found. This characteristic has a minimum of active bytes (bytes with non-zero differences), marked in red. The characteristic can be... | milkshake721/2.1M-wiki-STEM |
Rebound attack-Example attack on Whirlpool-The inbound phase The goal of the inbound phase is to find differences that fulfill the part of the characteristic described by the sequence of active bytes 8 → 64 → 8. This can be done in the following three steps: Choose arbitrary non-zero difference for the 8 active bytes a... | milkshake721/2.1M-wiki-STEM |
Rebound attack-Example attack on Whirlpool-Choose a difference for each active byte in the input of MixRows operation in round 2, and propagate these differences forward to the input of the SubBytes operation in round 3. Do this for all 255 non-zero differences of each byte. Again, this can be done independently for ea... | milkshake721/2.1M-wiki-STEM |
Rebound attack-Example attack on Whirlpool-In the match-in-the-middle step, we use the DDT table to find matching input/output differences (as found in step 1 and 2) to the SubBytes operation in round 3. Each row can be checked independently, and the expected number of solutions is 2 per S-box. In total, the expected n... | milkshake721/2.1M-wiki-STEM |
Rebound attack-Example attack on Whirlpool-The outbound phase The outbound phase completes the differential characteristic in a probabilistic way. The outbound phase uses truncated differentials, as opposed to the inbound phase. Each starting point found in the inbound phase is propagated forwards and backwards. In ord... | milkshake721/2.1M-wiki-STEM |
Rebound attack-Example attack on Whirlpool-Extending the attack The basic 4.5 round attack can be extended to a 5.5 round attack by using two fully active states in the inbound phase. This increases the complexity to about 2184.Extending the outbound phase so that it begins and ends with 8 active bytes leads to a near-... | milkshake721/2.1M-wiki-STEM |
Ducrete-Ducrete-DUCRETE (Depleted Uranium Concrete) is a high density concrete alternative investigated for use in construction of casks for storage of radioactive waste. It is a composite material containing depleted uranium dioxide aggregate instead of conventional gravel, with a Portland cement binder. | milkshake721/2.1M-wiki-STEM |
Ducrete-Background and development-In 1993, the United States Department of Energy Office of Environmental Management initiated investigation into the potential use of depleted uranium in heavy concretes. The aim of this investigation was to simultaneously find an application for depleted uranium and to create a new an... | milkshake721/2.1M-wiki-STEM |
Ducrete-Description-DUCRETE is a kind of concrete that replaces the standard coarse aggregate with a depleted uranium ceramic material. All of the other materials present in DUCRETE (Portland cement, sand and water) are used in the same volumetric ratio used for ordinary concrete. This ceramic material is a very effici... | milkshake721/2.1M-wiki-STEM |
Ducrete-Description-The key to effective shielding with depleted uranium ceramic concrete is maximum uranium oxide density. Unfortunately, the densest depleted uranium oxide is also the most chemically unstable. DUO2 has a maximum theoretical density of 10.5 g/cm3 at 95% purity. However, under oxidation conditions, thi... | milkshake721/2.1M-wiki-STEM |
Ducrete-Description-DUAGG (depleted uranium aggregate) is the term applied to the stabilized DUO2 ceramic. This consists of sintered DUO2 particles with a silicate-based coating that covers the surfaces and fills the spaces between the grains, acting as an oxygen barrier, as well as corrosion and leach resistance. DUAG... | milkshake721/2.1M-wiki-STEM |
Ducrete-Production-U.S. method DUCRETE is produced by mixing a DUO2 aggregate with Portland cement. DU is a result of the enrichment of uranium for use in nuclear power generation and other fields. DU usually comes bonded with fluorine in uranium hexafluoride. This compound is highly reactive and cannot be used in the ... | milkshake721/2.1M-wiki-STEM |
Ducrete-Production-VNIINM (Russian) method The VNIINM method is very similar to the U.S. method except it does not gap sort the binder and UO2 after it is crushed. | milkshake721/2.1M-wiki-STEM |
Ducrete-Applications-After processing, DUCRETE composite may be used in container vessels, shielding structures, and containment storage areas, all of which can be used to store radioactive waste. The primary implementation of this material is within a dry cask storage system for high level waste (HLW) and spent nuclea... | milkshake721/2.1M-wiki-STEM |
XQuery-XQuery-XQuery (XML Query) is a query and functional programming language that queries and transforms collections of structured and unstructured data, usually in the form of XML, text and with vendor-specific extensions for other data formats (JSON, binary, etc.). The language is developed by the XML Query workin... | milkshake721/2.1M-wiki-STEM |
XQuery-XQuery-XQuery 1.0 became a W3C Recommendation on January 23, 2007.XQuery 3.0 became a W3C Recommendation on April 8, 2014.XQuery 3.1 became a W3C Recommendation on March 21, 2017.
"The mission of the XML Query project is to provide flexible query facilities to extract data from real and virtual documents on the ... | milkshake721/2.1M-wiki-STEM |
XQuery-Features-XQuery is a functional, side effect-free, expression-oriented programming language with a simple type system, summed up by Kilpeläinen: All XQuery expressions operate on sequences, and evaluate to sequences. Sequences are ordered lists of items. Items can be either nodes, which represent components of X... | milkshake721/2.1M-wiki-STEM |
XQuery-Features-XQuery contains a superset of XPath expression syntax to address specific parts of an XML document. It supplements this with a SQL-like "FLWOR expression" for performing joins. A FLWOR expression is constructed from the five clauses after which it is named: FOR, LET, WHERE, ORDER BY, RETURN.
The languag... | milkshake721/2.1M-wiki-STEM |
XQuery-Examples-The sample XQuery code below lists the unique speakers in each act of Shakespeare's play Hamlet, encoded in hamlet.xml All XQuery constructs for performing computations are expressions. There are no statements, even though some of the keywords appear to suggest statement-like behaviors. To execute a fun... | milkshake721/2.1M-wiki-STEM |
XQuery-Applications-Below are a few examples of how XQuery can be used: Extracting information from a database for use in a web service.
Generating summary reports on data stored in an XML database.
Searching textual documents on the Web for relevant information and compiling the results.
Selecting and transforming XML... | milkshake721/2.1M-wiki-STEM |
XQuery-XQuery and XSLT compared-Scope Although XQuery was initially conceived as a query language for large collections of XML documents, it is also capable of transforming individual documents. As such, its capabilities overlap with XSLT, which was designed expressly to allow input XML documents to be transformed into... | milkshake721/2.1M-wiki-STEM |
XQuery-XQuery and XSLT compared-Origin The two languages, however, are rooted in different traditions and serve the needs of different communities. XSLT was primarily conceived as a stylesheet language whose primary goal was to render XML for the human reader on screen, on the web (as web template language), or on pape... | milkshake721/2.1M-wiki-STEM |
XQuery-XQuery and XSLT compared-Because the two languages originate in different communities, XSLT is stronger in its handling of narrative documents with more flexible structure, while XQuery is stronger in its data handling (for example, when performing relational joins). | milkshake721/2.1M-wiki-STEM |
XQuery-XQuery and XSLT compared-Versions XSLT 1.0 appeared as a Recommendation in 1999, whereas XQuery 1.0 only became a Recommendation in early 2007; as a result, XSLT is still much more widely used. Both languages have similar expressive power, though XSLT 2.0 has many features that are missing from XQuery 1.0, such ... | milkshake721/2.1M-wiki-STEM |
XQuery-XQuery and XSLT compared-Strengths and weaknesses Usability studies have shown that XQuery is easier to learn than XSLT, especially for users with previous experience of database languages such as SQL. This can be attributed to the fact that XQuery is a smaller language with fewer concepts to learn, and to the f... | milkshake721/2.1M-wiki-STEM |
XQuery-XQuery and XSLT compared-XSLT is currently stronger than XQuery for applications that involve making small changes to a document (for example, deleting all the NOTE elements). Such applications are generally handled in XSLT by use of a coding pattern that involves an identity template that copies all nodes uncha... | milkshake721/2.1M-wiki-STEM |
XQuery-XQuery and XSLT compared-The absence of these facilities from XQuery 1.0 was a deliberate design decision: it has the consequence that XQuery is very amenable to static analysis, which is essential to achieve the level of optimization needed in database query languages. This also makes it easier to detect errors... | milkshake721/2.1M-wiki-STEM |
XQuery-XQuery and XSLT compared-The fact that XSLT 2.0 uses XML syntax makes it rather verbose in comparison to XQuery 1.0. However, many large applications take advantage of this capability by using XSLT to read, write, or modify stylesheets dynamically as part of a processing pipeline. The use of XML syntax also enab... | milkshake721/2.1M-wiki-STEM |
XQuery-Extensions and future work-W3C extensions Two major extensions to the XQuery were developed by the W3C: XQuery 1.0 and XPath 2.0 Full-Text XQuery Update FacilityBoth reached Recommendation status as extensions to XQuery 1.0, but work on taking them forward to work with XQuery 3.0 was abandoned for lack of resour... | milkshake721/2.1M-wiki-STEM |
Type-1.5 superconductor-Type-1.5 superconductor-Type-1.5 superconductors are multicomponent superconductors characterized by two or more coherence lengths, at least one of which is shorter than the magnetic field penetration length λ , and at least one of which is longer. This is in contrast to single-component superc... | milkshake721/2.1M-wiki-STEM |
Type-1.5 superconductor-Description-Type-I superconductors completely expel external magnetic fields if the strength of the applied field is sufficiently low. Also the supercurrent can flow only on the surface of such a superconductor but not in its interior. This state is called the Meissner state. However at elevated... | milkshake721/2.1M-wiki-STEM |
Type-1.5 superconductor-Description-Type-II superconductors, besides the Meissner state, possess another state: a sufficiently strong applied magnetic field can produce currents in the interior of superconductor due to formation of quantum vortices. The vortices also carry magnetic flux through the interior of the supe... | milkshake721/2.1M-wiki-STEM |
Type-1.5 superconductor-Description-It was proposed that the type-I/type-II dichotomy could be broken in a multi-component superconductors, which possess multiple coherence lengths. | milkshake721/2.1M-wiki-STEM |
Type-1.5 superconductor-Description-Examples of multi-component superconductivity are multi-band superconductors magnesium diboride and oxypnictides and exotic superconductors with nontrivial Cooper-pairing. There, one can distinguish two or more superconducting components associated, for example with electrons belong ... | milkshake721/2.1M-wiki-STEM |
Type-1.5 superconductor-Description-It was also pointed out that systems which have phase transitions between different superconducting states such as between s and s+is or between U(1) and U(1)×U(1) should rather generically fall into type-1.5 state near that transition due to divergence of one of the coherence le... | milkshake721/2.1M-wiki-STEM |
Type-1.5 superconductor-Description-In mixtures of independently conserved condensates For multicomponent superconductors with so called U(1)xU(1) symmetry the Ginzburg-Landau model is a sum of two single-component Ginzburg-Landau model which are coupled by a vector potential A :F=∑i,j=1,212m|(∇−ieA)ψi|2+αi|ψi|2+βi|ψi... | milkshake721/2.1M-wiki-STEM |
Type-1.5 superconductor-Description-It was shown that there is a range of parameters where these vortices are energetically favorable enough to be excitable by an external field, attractive interaction notwithstanding. This results in the formation of a special superconducting phase in low magnetic fields dubbed "Semi-... | milkshake721/2.1M-wiki-STEM |
Type-1.5 superconductor-Description-In multiband systems In a two-band superconductor the electrons in different bands are not independently conserved thus the definition of two superconducting components is different. A two-band superconductor is described by the following Ginzburg-Landau model.
F=∑i,j=1,212m|(∇−ieA)ψ... | milkshake721/2.1M-wiki-STEM |
Type-1.5 superconductor-Microscopic models-A microscopic theory of type-1.5 superconductivity has been reported. | milkshake721/2.1M-wiki-STEM |
Type-1.5 superconductor-Current experimental research-In 2009, experimental results have been reported claiming that magnesium diboride may fall into this new class of superconductivity. The term type-1.5 superconductor was coined for this state. Further experimental data backing this conclusion was reported in. More ... | milkshake721/2.1M-wiki-STEM |
Type-1.5 superconductor-Current experimental research-In 2014, experimental study suggested that Sr2RuO4 is type-1.5 superconductor. | milkshake721/2.1M-wiki-STEM |
Type-1.5 superconductor-Non-technical explanation-Type-I and type-II superconductors feature dramatically different charge flow patterns. Type-I superconductors have two state-defining properties: The lack of electric resistance and the fact that they do not allow an external magnetic field to pass through them. When a... | milkshake721/2.1M-wiki-STEM |
Type-1.5 superconductor-Animations-Movies from numerical simulations of the Semi-Meissner state where Meissner domains coexist with clusters where vortex droplets form in one superconducting components and macroscopic normal domains in the other. | milkshake721/2.1M-wiki-STEM |
Auth-Code-Auth-Code-An Auth-Code, also known as an EPP code, authorization code, transfer code, or Auth-Info Code, is a generated passcode required to transfer an Internet domain name between domain registrars; the code is intended to indicate that the domain name owner has authorized the transfer.Auth-Codes are create... | milkshake721/2.1M-wiki-STEM |
Auth-Code-Alternative systems-The .uk and .co.uk domain registry, instead of using a passcode, has the domain owner specify the new registrar using the old registrar. The destination registrar is specified using the destination's registrar tag, also known as an Internet Provider Security (IPS) tag or Nominet Provider t... | milkshake721/2.1M-wiki-STEM |
PPGI-PPGI-PPGI is pre-painted galvanised iron, also known as pre-coated steel, coil coated steel, color coated steel etc., typically with a hot dip zinc coated steel substrate. | milkshake721/2.1M-wiki-STEM |
PPGI-PPGI-The term is an extension of GI which is a traditional abbreviation for Galvanized Iron. Today the term GI typically refers to essentially pure zinc (>99%) continuously hot dip coated steel, as opposed to batch dip processes. PPGI refers to factory pre-painted zinc coated steel, where the steel is painted befo... | milkshake721/2.1M-wiki-STEM |
PPGI-PPGI-The hot dip metallic coating process is also used to manufacture steel sheet and coil with coatings of aluminium, or alloy coatings of zinc/aluminium, zinc/iron and zinc/aluminium/magnesium which may also be factory pre-painted. While GI may sometimes be used as a collective term for various hot dip metallic ... | milkshake721/2.1M-wiki-STEM |
PPGI-PPGI-Zinc coated steel substrate for PPGI is typically produced on a continuous galvanizing line (CGL). The CGL may include a painting section after the hot dip galvanising section, or more commonly the metallic coated substrate in coil form is processed on a separate continuous paint line (CPL). Metallic coated s... | milkshake721/2.1M-wiki-STEM |
PPGI-PPGI-The steel thus produced in this process is a prepainted, prefinished and ready for further processing into finished products or components. to use material. | milkshake721/2.1M-wiki-STEM |
PPGI-PPGI-The coil coating process may be used for other substrates such as aluminium, or aluminium, stainless steel or alloy coated steel other than "pure" zinc coated steel. However, only "pure" zinc coated steel is typically referred to as PPGI. For example, PPGL may be used for pre-painted 55%Al/Zn alloy-coated ste... | milkshake721/2.1M-wiki-STEM |
PPGI-PPGI-China, South Korea and Taiwan are the top 3 producers of PPGI steel according to PPGI marketplace platform http://www.buyppgi.com | milkshake721/2.1M-wiki-STEM |
Crystallographic image processing-Crystallographic image processing-Crystallographic image processing (CIP) is traditionally understood as being a set of key steps in the determination of the atomic structure of crystalline matter from high-resolution electron microscopy (HREM) images obtained in a transmission electro... | milkshake721/2.1M-wiki-STEM |
Crystallographic image processing-HREM image contrasts and crystal potential reconstruction methods-Many beam HREM images of extremely thin samples are only directly interpretable in terms of a projected crystal structure if they have been recorded under special conditions, i.e. the so-called Scherzer defocus. In that ... | milkshake721/2.1M-wiki-STEM |
Crystallographic image processing-Brief history of crystallographic image processing-Aaron Klug suggested in 1979 that a technique that was originally developed for structure determination of membrane protein structures can also be used for structure determination of inorganic crystals. This idea was picked up by the r... | milkshake721/2.1M-wiki-STEM |
Crystallographic image processing-Brief history of crystallographic image processing-Contemporary robotics and computer vision researchers also deal with the topic of "computational symmetry", but have so far failed to utilize the spatial distribution of site symmetries that result from crystallographic origin conventi... | milkshake721/2.1M-wiki-STEM |
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