نتایج جستجو برای: s2 100
تعداد نتایج: 426831 فیلتر نتایج به سال:
We consider closed topological 4-manifolds M $M$ with universal cover S 2 × ${S^2\times {S^2}}$ and Euler characteristic χ ( ) = 1 $\chi (M) 1$ . All such manifolds π ≅ Z / 4 $\pi =\pi _1(M)\cong {\mathbb {Z}/{4}}$ are homotopy equivalent. In this case, we show that there four homeomorphism types, propose a candidate for smooth example is not homeomorphic to the geometric quotient. If \cong \ma...
Prepulse inhibition (PPI) is a measure of the influence of a stimulus (S1) on the response elicited by a second stimulus (S2) occurring shortly afterwards. Most S1/S2 measures of gating have used behavioural startle and the P50 event-related potential (ERP) amplitudes to detect PPI in a simple paired stimulus paradigm. We report on two behavioural (reaction time, RT, and the electromyographical...
Empirical density plots (Fig A to J) suggest that π̂IBD for pairs of parasite samples within and across clinics loosely follow a mixture distribution over three classes: 1) near zero π̂IBD shown in green; 2) low to intermediate π̂IBD shown in shades of blue; and 3) high π̂IBD, which notably rarefies with distance, and is colored red if sufficiently dense to be visible, and otherwise outlined in bla...
All tools used in the online tutorial (www.rnaseq.wiki) are referenced below (in bold) along with alternative tools in each category. Where possible a citation is provided. Links are also provided to help the user evaluate the code and the level of maintenance. Where possible the link goes directly to a source controlled repository such as a git repo. Additional lists of tools can be found here...
BACKGROUND Sleeping sickness, or human African trypanosomiasis (HAT), is a protozoan disease that affects rural communities in sub-Saharan Africa. Determination of the disease stage, essential for correct treatment, represents a key issue in the management of patients. In the present study we evaluated the potential of CXCL10, CXCL13, ICAM-1, VCAM-1, MMP-9, B2MG, neopterin and IgM to complement...
The nomenclature used here (see also Fig. S1) was built on classical dental serial homologies. The work of Hershkovitz [2] was a major source for defining homologous structures and naming them, but other sources were also considered [3-7]. These works emphasized dental structures that are expressed as relief on tooth crowns. Structures expressed as depressions, in particular groove systems, wer...
The crystal structure of covellite has been refined, based on counter intensity data, to R=3.9,°-6', using a crystal from Kosaka mine: P63/mmc, a=3.976(1), c=16.382(5)'\, Z=6. The structure proposed by Oftedal (Zeits. Krist., 83, 9-25, 1932) was confirmed. The S-S distance of the S2 groups in the structure is 2.086(7)'\, the Cu-S distance in the CUS3 triangles 2.1915(4)'\, and the mean Cu-S dis...
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