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Docs On Call: Blogs Multiple Sclerosis in Children Story Updated: Feb 1, 2013 A new study suggests obese girls may be at increased risk for multiple sclerosis. Researchers in California identified 75 children, aged 2 to 18, who had been diagnosed with MS. Records of body mass index before symptoms appeared were also ac... |
Maev comes thunderin down the ridge in a cloud of red dust, with the riders spread out behind her. They whoop an holler as they head straight fer the Tonton lined up behind DeMalo. Arrows fly ahead of 'em. The Tonton start to reel back, scream, as they hit their mark. |
We develop a method for measuring and localizing homology classes. This
involves two problems. First, we define relevant notions of size for both a
homology class and a homology group basis, using ideas from relative homology.
Second, we propose an algorithm to compute the optimal homology basis, using
techniques fro... |
We discuss several aspects of direct CP asymmetries in B decays, which are
very useful in spite of hadronic uncertainties in asymmetry calculations. 1)
Asymmetries in decays to $D^{(*)}K^{(*)}$, $\pi^+\pi^-, \rho^+\rho^-$,
providing precision tests for the CKM phase $\gamma$. 2) Null tests in $B^+\to
J/\psi K^+, \pi^... |
He don't say a word. He jest runs his eyes slowly over my body, right down to my feet, then up agin. Th'other men whistle an jeer. I feel heat rushin through me. Feel it strain my chest, my neck, my cheeks. I know I must be bright red. Then he smiles. A lopsided, crook of a smile. |
Let $\mathcal{F}$ be a class of measurable functions $f:S\mapsto [0,1]$
defined on a probability space $(S,\mathcal{A},P)$. Given a sample
(X_1,...,X_n) of i.i.d. random variables taking values in S with common
distribution P, let P_n denote the empirical measure based on (X_1,...,X_n). We
study an empirical risk min... |
I went back te the cot an pulled the bars down. I tried te hold him while I got the rompers off, but he kicked an bucked, an the shit was flyin everywhere. I was destroyed, I needn't tell ye. I wiped the biggest bits offa his arse wit the rompers an got his vest off. I put him on the floor naked, an he sat lookin up at... |
We study some properties of the randomized series and their applications to
the geometric structure of Banach spaces. For $n\ge 2$ and $1<p<\infty$, it is
shown that $\ell_\infty^n$ is representable in a Banach space $X$ if and only
if it is representable in the Lebesgue-Bochner $L_p(X)$. New criteria for
various con... |
The main objective of the BAH (Biologische Anstalt Helgoland) was to gain control over the induction of sporogenesis in Laminaria digitata and to reduce the time it takes individual algae to start reproduction. Compared to the occurrence of double prime sorus double prime (sporogenous tissue) on L. digitata in the fiel... |
By using the sixth order WKB approximation we calculate for an
electromagnetic field propagating in D-dimensional Schwarzschild and
Schwarzschild de Sitter black holes its quasinormal frequencies for the
fundamental mode and first overtones. We study the dependence of these QN
frequencies on the value of the cosmolog... |
What the fuck is wrong with you? Morning after pull my hair. Look at your face. Look at the state of your face. You want that done to you? Why do you want that done? Didn't stop you I say. He says I didn't want. I did not want to do that. Kiss the bruise on my cheek. Bruise on my eyebrow. Beautiful beautiful thing. Thi... |
We introduce an exponential random graph model for networks with a fixed
degree distribution and with a tunable degree-degree correlation. We then
investigate the nature of a percolation transition in the correlated network
with the Poisson degree distribution. It is found that negative correlation is
irrelevant in t... |
Data from e+e- annihilation into hadrons collected by the JADE experiment at
centre-of-mass energies between 14 GeV and 44 GeV are used to study the
four-jet event production rate as a function of the Durham jet algorithm's
resolution parameter ycut. The four-jet rate is compared to QCD next-to-leading
order calculat... |
I utilize the Petrov-Galerkin formulation and develop a new method for
solving the unsteady collisionless Boltzmann equation in both the linear and
nonlinear regimes. In the first order approximation, the method reduces to a
linear eigenvalue problem which is solved using standard numerical methods. I
apply the metho... |
The icon of THE RESURRECTION OF CHRIST also called THE DECENT INTO HADES is located in the south apse wall in the nave and its meaning is as follows (the numbers on the drawing of the icon correspond to the numbered tabs below the drawing which you may click to learn more): Our Saviour tramples the gates of Hades. The ... |
We consider the Schr\"odinger operator with a periodic potential on quasi-1D
models of armchair single-wall nanotubes. The spectrum of this operator
consists of an absolutely continuous part (intervals separated by gaps) plus an
infinite number of eigenvalues with infinite multiplicity. We describe the
absolutely con... |
'No!' he shook his head slowly. 'No! They don't want te play wit us. Me an Teddy went up an tried te play chasin, or cowboys an injuns, an they just threw stones at us an wouldn't let us play. An a big young un said we were gypsies an we were smelly.' |
We study a rotating probe membrane in S^3 inside AdS_4 x S^7 background of
M-theory. With (partial) gauge fixing, we show that in the fast limit the
worldvolume of tensionless membrane reduces to either the XXX_1/2 spin chain or
the two-dimensional SU(2) Heisenberg spin model. Later we introduce the
anisotropy and co... |
We analyze the charge and spin dynamics in a DC biased double quantum dot
driven by crossed DC and AC magnetic fields. In this configuration, spatial
delocalization due to inter-dot tunnel competes with intra-dot spin rotations
induced by the time dependent magnetic field, giving rise to a complicated time
dependent ... |
In this paper we have investigated the occurrence rate of high energetic(E>10
MeV) solar electron flares measured by IMP-8 spacecraft of NASA for solar cycle
21 (June, 1976 to August, 1986) first time by three different methods to detect
periodicities accurately. Power-spectrum analysis confirms a periodicity ~155
da... |
This work deals with the effects of an anharmonic trap on an interacting
two-boson system in one dimension. Our primary focus is on the role of the
induced coupling between the center of mass and the relative motion as both
anharmonicity and the (repulsive) interaction strength are varied. The ground
state reveals a ... |
We consider the question of approximating any real number $\alpha$ by sums of
$n$ rational numbers $\frac{a_1}{q_1} + \frac{a_2}{q_2} + ... +
\frac{a_n}{q_n}$ with denominators $1 \leq q_1, q_2, ..., q_n \leq N$. This
leads to an inquiry on approximating a real number by rational numbers with a
prescribed number of p... |
We study the dynamics of extended test bodies in flat
Friedmann-Robertson-Walker spacetimes. It is shown that such objects can
usually alter their inertial mass, spin, and center-of-mass trajectory purely
through the use of internal deformations. Many of these effects do not have
Newtonian analogs, and exist despite ... |
The electronic correlations on a C$_{20}$ molecule, as described by an
extended Hubbard Hamiltonian with a nearest neighbor Coulomb interaction of
strength $V$, are studied using quantum Monte Carlo and exact diagonalization
methods. For electron doped C$_{20}$, it is known that pair-binding arising
from a purely ele... |
We show that every K_4-free graph G with n vertices can be made bipartite by
deleting at most n^2/9 edges. Moreover, the only extremal graph which requires
deletion of that many edges is a complete 3-partite graph with parts of size
n/3. This proves an old conjecture of P. Erdos.
|
Pluralism in psychology may apply in different ways, across a wide range of topics: - In science, the concept often describes the view that several methods, theories or points of view are legitimate or plausible, see Scientific pluralism. - For the political philosophical ideal, see Pluralism (political philosophy). - ... |
"Don't make us tear this house apart," the other man warned. He stopped his pacing and walked across the room to a painting of pink flowers. He knocked the painting to the floor and checked the wall behind it for a safe. But there was no safe behind the painting. There was no safe behind any of the other paintings that... |
I was born on a plantation like the one in this book, and I can still remember the people going out into the fields. _A Long Day in November_ could have happened in the late 1930s or in the mid 1940s. There was a one-room schoolhouse on or near every plantation, and all classes were taught by one teacher. An older boy ... |
Using an approach that allows us to probe the electronic structure of
strongly pinched-off quantum point contacts (QPCs), we provide evidence for the
formation of self-consistently realized bound states (BSs) in these structures.
Our approach exploits the resonant interaction between closely-coupled QPCs,
and demonst... |
We present a novel approach for the derivation of PDE modeling
curvature-driven flows for matrix-valued data. This approach is based on the
Riemannian geometry of the manifold of Symmetric Positive Definite Matrices
Pos(n).
|
From Sioux Falls to Rapid City, fire weather meteorologists are watching conditions closely. And until we receive widespread, heavy moisture they'll be monitoring what is known as the Keetch-Byram Drought Index or KBDI. It measures the amount of precipitation needed to return the soil to full saturation. It uses a syst... |
We consider 5D braneworld models of quasi-localized gravity in which 4D
gravity is reproduced at intermediate scales while the extra dimension opens up
at both the very short and the very long distances, where the geometry is flat.
Our main interest is the interplay between the zero mode of these models,
whenever a n... |
We discuss generic properties of classical and quantum theories of gravity
with a scalar field which are revealed at the vicinity of the cosmological
singularity. When the potential of the scalar field is exponential and
unbounded from below, the general solution of the Einstein equations has
quasi-isotropic asymptot... |
We propose and study a model with glassy behavior. The state space of the
model is given by all triangulations of a sphere with $n$ nodes, half of which
are red and half are blue. Red nodes want to have 5 neighbors while blue ones
want 7. Energies of nodes with different numbers of neighbors are supposed to
be positi... |
This sparkly turkey is a bright and fun project for the 2nd grade class. It’s a good opportunity for them to practice cutting—we stress that they cut directly on the outside of the black lines. And of course using white glue and glitter is also fun. Different color combinations of paper and glitter make these an intere... |
They waited for Blossom in trees in the curve of a bay. She sailed in silently, appearing from the black night like a ghost. Ben and Lo dragged her dinghy deep into the trees. They scrubbed out the keel-marks on the beach. At dawn they started for Danatok's shelter, more than a day's travel south. They kept clear of fo... |
On this day in1754, novelist Henry Fielding leaves London for Lisbon seeking a healthier climate. Fielding had suffered from ill health for some time, but his trip to Lisbon fails to ease his condition. He dies there two months later. Fielding dropped out of Eton at age 17 and started supporting himself as a successful... |
Tata teams up with Aussies for India’s first floating solar plant The pilot project, which is due to start operations by the end of the year, is based on a Sunengy patented Liquid Solar Array (LSA) technology which uses traditional concentrated photovoltaic technology - a lens and a small area of solar cells that track... |
Hana curled up tighter in the crawl. She pressed her arms and legs into herself, trying to shrink to nothing, to sink into the stone. She sobbed silently, and when the cart had rumbled away and the voices were gone, sobbed aloud. She did not know how long she lay on the cold floor, but realised, later, that she had sle... |
In the framework of the k_t-factorization approach, the production of
$\Upsilon mesons at the Fermilab Tevatron and CERN LHC is considered, and the
predictions on the spin alignment parameter $\alpha$ are presented. We argue
that measuring the polarization of quarkonium states can serve as a crucial
test discriminati... |
We show that correlated hopping of triplets, which is often the dominant
source of kinetic energy in dimer-based frustrated quantum magnets, produces a
remarkably strong tendency to form supersolid phases in a magnetic field. These
phases are characterized by simultaneous modulation and ordering of the
longitudinal a... |
We investigated the opto-mechanical properties of a Fabry-Perot cavity with a
mirror mounted on a spring. Such a structure allows the cavity length to change
elastically under the effect of light induced forces. This opto-mechanical
coupling is exploited to control the amplitude of mechanical fluctuation of the
mirro... |
Università degli studi di Modena e Reggio Emilia: UNIMORE Stanford Design Innovation Process that was pioneered by IDEO and that has fueled much of the entrepreneurial culture in the Silicon Valley. At the heart of the process is the notion that in order to innovate, one must understand the needs of the user and the co... |
The r-process in a low temperature environment is explored, in which the
neutron emission by photodisintegration does not play a role (cold r-process).
A semi-analytic neutrino-driven wind model is utilized for this purpose. The
temperature in a supersonically expanding outflow can quickly drop to a few
10^8 K, where... |
It is shown that the Hod's universal bound on the relaxation time of a
perturbed system \cite{hod} can be derived from a well-known condition for a
relaxing quantity to be classical in the fluctuation theory.
|
We travel with the wind. Stoppin when it rests, movin when it blows. But it rests more'n it blows. I only git glimpses of daylight or moonlight when the Pinches come an go outta the cabin. I ain't got a clue how many days have passed an nor does Em. Feels like we've bin here ferever. |
We compute the Z/\ell and \ell-adic monodromy of every irreducible component
of the moduli space M_g^f of curves of genus and and p-rank f. In particular,
we prove that the Z/\ell-monodromy of every component of M_g^f is the
symplectic group Sp_{2g}(Z/\ell) if g>=3 and \ell is a prime distinct from p.
We give applica... |
We address the problem of finding nice labellings for event structures
of degree 3. We develop a minimum theory by which we prove that the labelling
number of an event structure of degree 3 is bounded by a linear function of the
height. The main theorem we present in this paper states that event structures
of d... |
In this paper we present a novel framework for sequence to shape maps. These
combinatorial maps realize exponentially many shapes, and have preimages which
contain extended connected subgraphs of diameter n (neutral networks). We prove
that all basic properties of RNA folding maps also hold for combinatorial maps.
Ou... |
We expose at a previously unknown level of detail the features of the
dynamics of trajectories that either evolve towards the Feigenbaum attractor or
are captured by its matching repellor. Amongst these features are the
following: i) The set of preimages of the attractor and of the repellor are
embedded (dense) into ... |
A unique study at the U of A. "Back, about 1993, we started studying methanogens as possible life forms on Mars," Kral says. Microorganisms, living in a test tube. But can they live on another planet? Professor Kral is trying to answer that question. "Well, this is our Pegasus chamber, it's a vaccuum chamber and we're ... |
Jet formalism provides the adequate mathematical formulation of classical
field theory, reviewed in hep-th/0612182v1. A formulation of QFT compatible
with this classical one is discussed. We are based on the fact that an algebra
of Euclidean quantum fields is graded commutative, and there are homomorphisms
of the gra... |
Forward time step integrators are splitting algorithms with only positive
splitting coefficients. When used in solving physical evolution equations,
these positive coefficients correspond to positive time steps. Forward
algorithms are essential for solving time-irreversible equations that cannot be
evolved using back... |
An approximation of the real line shape of a scintillation detector with a
generalized gamma distribution is proposed. The approximation describes the
ideal scintillation line shape better than the conventional normal
distribution. Two parameters of the proposed function are uniquely defined by
the first two moments ... |
We use recently introduced three-point dynamic susceptibilities to obtain an
experimental determination of the temperature evolution of the number of
molecules, N_corr, that are dynamically correlated during the structural
relaxation of supercooled liquids. We first discuss in detail the physical
content of three-poi... |
During tests the protein bonded itself to particular DNA strands and was able to reverse the disease by turning cells back to their pre-cancer state. "For the first time, we have shown that over-expression of a single gene can reduce the tumour-promoting potential of pancreatic adenocarcinoma cells and reprogram them t... |
This work is devoted to the strong unique continuation problem for second
order parabolic equations with nonsmooth coefficients. Introduction and
bibliography have been revised.
|
We investigate supergroups with Grassmann parameters replaced by odd Clifford
parameters. The connection with non-anticommutative supersymmetry is discussed.
A Berezin-like calculus for odd Clifford variables is introduced. Fermionic
covariant derivatives for supergroups with odd Clifford variables are derived.
Appli... |
It has been suggested that X-ray observations of rapidly variable Seyfert
galaxies may hold the key to probe the gas orbital motions in the innermost
regions of accretion discs around black holes and, thus, trace flow patterns
under the effect of the hole strong gravitational field. We explore this
possibility analiz... |
We consider the cosmological dynamics associated with volume weighted
measures of eternal inflation, in the Bousso-Polchinski model of the string
theory landscape. We find that this measure predicts that observers are most
likely to find themselves in low energy vacua with one flux considerably larger
than the rest. ... |
Pain Management in the Opioid Epidemic Opioids are valuable compounds. They have been throughout history and are still critical in modern medicine to treat severe pain. Due to several reasons including ease of access, social acceptance, and neurobiological vulnerabilities, people are abusing opioids at epidemic rates i... |
We analyze several aspects of the phenomenon of stochastic resonance in
reaction-diffusion systems, exploiting the nonequilibrium potential's
framework. The generalization of this formalism (sketched in the appendix) to
extended systems is first carried out in the context of a simplified scalar
model, for which stati... |
We report the detection of correlated anisotropies in the Cosmic Far-Infrared
Background at 160 microns. We measure the power spectrum in the Spitzer/SWIRE
Lockman Hole field. It reveals unambiguously a strong excess above cirrus and
Poisson contributions, at spatial scales between 5 and 30 arcminutes,
interpreted as... |
The exact spectrum of dyons in a class of N=4 supersymmetric string theories
is known to change discontinuously across walls of marginal stability. We show
that the change in the degeneracy across the walls of marginal stability can be
accounted for precisely by the entropy of two centered small black holes which
dis... |
Anti-Slavery Convention of American Women The first Anti-Slavery Convention of American Women was held on May 9, 1837. Approximately 200 women gathered in New York City to discuss their role in the American abolition movement. Mary S. Parker was the President of the gathering. Other prominent women went on to be vocal ... |
More about PeacePlayers Basketball Clubs Palestinians and Israelis few opportunities for positive contact in their daily lives. In some cases, they live literally across the road from one another, but live completely segregated lives. As a result, they know each other through myth and media, which exacerbates hate and ... |
Quantum random walks are the quantum counterpart of classical random walks,
and were recently studied in the context of quantum computation. A quantum
random walker is subject to self interference, leading to a remarkably
different behavior than that of classical random walks such as ballistic
propagation or localiza... |
Thermally stimulated luminescence (TSL) and conductivity (TSC) are considered
using the classical insulator model that assumes one kind of the active trap,
one kind of inactive deep trap, and one kind of the recombination center.
Kinetic equations describing the model are solved numerically without and with
the use o... |
We study the decoherence of two coupled spins that interact with a chaotic
spin-bath environment. It is shown that connectivity of spins in the bath is of
crucial importance for the decoherence of the central system. The previously
found phenomenon of two-step decoherence (Phys. Rev. Lett. {\bf 90}, 210401
(2003)) tu... |
The aim of this paper is to classify one family of 3R serial positioning
manipulators. This categorization is based on the number of cusp points of
quaternary, binary, generic and non-generic manipulators. It was found three
subsets of manipulators with 0, 2 or 4 cusp points and one homotopy class for
generic quatern... |
We report on interferometric and radial-velocity observations of the
double-lined 51-d period binary (A) component of the quadruple pre-main
sequence (PMS) system V773 Tau. With these observations we have estimated
preliminary visual and physical orbits of the V773 Tau A subsystem. Among other
parameters, our orbit m... |
An eleven channel digital asynchronous transceiver (DAT) employing parallel
optical link technology has been developed for trigger signal distribution
across the Very Energetic Radiation Imaging Telescope Array System (VERITAS).
Combinatorial logic functions are implemented in Xilinx Spartan 3 FPGAs,
providing a vers... |
We investigate the possibility to perform a Quantum Non Demolition
measurement of the collective alignment of an atomic ensemble in the case of a
$F\geq 1$ spin. We compare the case of purely vectorial and purely tensorial
Hamiltonians and show how to achieve conditional squeezing or entanglement of
atomic alignment ... |
We introduce a model-checking tool intended specially for the analysis of
quantum information protocols. The tool incorporates an efficient
representation of a certain class of quantum circuits, namely those expressible
in the so-called stabiliser formalism. Models of protocols are described using
a simple, imperativ... |
A covariant functor on the elliptic curves with complex multiplication is
constructed. The functor takes values in the noncommutative tori with real
multiplication. A conjecture on the rank of an elliptic curve is formulated.
|
Well I'll leave that to you she says. Isn't that why you're here. I am. Spitting. What was that but? Don't you forget I'm the mother here. I. Didn't. You're not the only one. With this. You don't know what it's like for me to see my son and cannot do a single thing. Yes Mammy. It's hard I know. |
Avian Influenza (Bird Flu) | Situation Avian influenza is a viral disease transmitted by birds usually through feces or saliva. It is not usually passed on to humans, although it has been contracted by people who have handled infected birds or touched surfaces contaminated by the birds. In fact, avian (or H5N1) flu nor... |
We analyze, both analytically and numerically, the effectiveness of cloaking
an infinite cylinder from observations by electromagnetic waves in three
dimensions. We show that, as truncated approximations of the ideal permittivity
and permeability tensors tend towards the singular ideal cloaking fields, so
that the an... |
Verna's hair grew again and Colin's arm healed. But other things never came back to normal. Herbert Muskie's hand had been in too many things. The mill never reopened, for one thing, and Clyde became a drifter, almost a tramp, living on hand-outs from his posh sisters. |
They sat down on the roots of a tree. Shan felt the cold fog on his face. All about him he heard strange sounds. Some were the sounds of animals moving among the trees. He knew there were deer and foxes and rabbits in the woods. They would do no harm. But he knew there were wolves, too. A fire would keep them away, he ... |
Let $I$ be a homogeneous Artinian ideal in a polynomial ring
$R=k[x_1,...,x_n]$ over a field $k$ of characteristic 0. We study an equivalent
condition for the generic initial ideal $\gin(I)$ with respect to reverse
lexicographic order to be almost reverse lexicographic. As a result, we show
that Moreno-Socias conject... |
We extend the inductive approach to the lace expansion, previously developed
to study models with critical dimension 4, to be applicable more generally. In
particular, the result of this note has recently been used to prove Gaussian
asymptotic behaviour for the Fourier transform of the two-point function for
sufficie... |
Teddy staggered past cryin, an a young fella of about three came after him wit a stick. I leapt up an took the stairs two at a time, catchin the young fella's arm as he was wavin the stick in the air an threatenin Teddy wit it. 'Ah, no ye don't!' I said, takin the stick off him. |
We extend recent work that included the effect of pressure forces to derive
the precession rate of eccentric accretion discs in cataclysmic variables to
the case of double degenerate systems. We find that the logical scaling of the
pressure force in such systems results in predictions of unrealistically high
primary ... |
Your simple, natural interactions with your baby are key to his development at nine weeks. He is awake longer, so you can spend more time with him. He is captivated by his hands and is constantly bringing them to his face. His communication skills, physical health and social development are affected when you talk and p... |
Two kinds of simulated bilayers are described and the results are reported
for lateral tension and for partial contributions of intermolecular forces to
it.Data for a widest possible range of areas per surfactant head, from tunnel
formation through tensionless state, transition to floppy bilayer,to its
disintegration... |
Introduction to Allergy Allergy is a heightened sensitivity to a foreign substance that causes the body’s defense system to overreact when defending itself. Normally the immune system would react if a harmful substance such as bacteria attacks the body. For people with Allergies,their immune system are working too hard... |
The Hubble constant estimated from the combined analysis of the
Sunyaev-Zel'dovich effect and X-ray observations of galaxy clusters is
systematically lower than those from other methods by 10-15 percent. We examine
the origin of the systematic underestimate using an analytic model of the
intracluster medium (ICM), an... |
I was gettin more annoyed by the minute watchin her. The floor was even mankier now than before she started. An the smell was givin me a headache. It was like rotten shit. The babby was covered from head te toe in the filthy water, dashin aroun on his hands an knees wearin only a vest an tryin te get at the bucket of w... |
It is well established that mass loss from AGB stars due to dust driven winds
cannot be arbitrarily low. We model the mass loss from carbon rich AGB stars
using detailed frequency-dependent radiation hydrodynamics including dust
formation. We present a study of the thresholds for the mass loss rate as a
function of s... |
The extremal and partly marginally trapped surfaces in Minkowski 4-space,
which are invariant under the group of boost isometries, are classified.
Moreover, it is shown that there do not exist extremal surfaces of this kind
with constant Gaussian curvature. A procedure is given in order to construct a
partly marginal... |
We report the results of an extensive set of direct numerical simulations of
forced, incompressible, magnetohydrodynamic turbulence with a strong guide
field. The aim is to resolve the controversy regarding the power law exponent
(\alpha, say) of the field perpendicular energy spectrum E(k_\perp) \propto
k_\perp ^ {\... |
After hours of searching she found her way deep into the bowels of a ruined building and found a black pool, and thrusting her arm into a hole at the edge, found a family of drain lobsters. Ignoring their bites, she pulled them out one by one and smashed their shells on a stone ledge and ate the flesh. Soon she would f... |
Chronic Pain– Pain is the most common reason for seeking medical care. Because chronic (long term) pain can be resistant to many medical treatments and can cause serious problems, people who suffer from chronic pain often turn to complementary and alternative medicine (CAM). This fact sheet provides basic information o... |
A static light scattering (SLS) study of bovine serum albumin (BSA) mixtures
with two anionic graft copolymers of poly (sodium acrylate-co-sodium
2-acrylamido-2-methyl-1-propanesulphonate)-graft-poly (N,
N-dimethylacrylamide), with a high composition in poly (N,
N-dimethylacrylamide) (PDMAM) side chains, revealed the... |
We investigate the hydrodynamic interactions between microorganisms swimming
at low Reynolds number. By considering simple model swimmers, and combining
analytic and numerical approaches, we investigate the time-averaged flow field
around a swimmer. At short distances the swimmer behaves like a pump. At large
distanc... |
We present an experimental investigation on the scaling of resistance in
individual single walled carbon nanotube devices with channel lengths that vary
four orders of magnitude on the same sample. The electron mean free path is
obtained from the linear scaling of resistance with length at various
temperatures. The l... |
Even-order dispersion cancellation, an effect previously identified with
frequency-entangled photons, is demonstrated experimentally for the first time
with a linear, classical interferometer. A combination of a broad bandwidth
laser and a high resolution spectrometer was used to measure the intensity
correlations be... |
I get it to the edge of that shelf and heft it to my shoulder. Same second, something slides off the shelf. Drops down in front of me. Skims me. Happens quick. Something long and flat is all I see. It hits the floor. I try to look. But all of a sudden I got kibble spilling down the front of me. Pinging. Bouncing. Onto ... |
We sat on benches along a big table covered in a white tablecloth, an we were given a big bowl of jelly an ice cream. They put cloths on over our dresses te keep us clean. Then the nun an the teachers came aroun te admire us. The nun smiled an spoke te each child, an admired them an told them their mammies were very go... |
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