The discovery of two neutron stars with gravitational masses 鈮 2 {M}has placed a strong lower limit on the maximum mass of nonrotating neutron stars, and ... S Lawrence,JG Tervala,PF Bedaque,... - 《Astrophysical Journal》 被引量: 9发表: 2015年 First principles study on magnetic proper...
Field-induced magnetic transition and spin fluctuations in the quantum spin-liquid candidate CsYbSe 2 The temperature-dependent magnetization, M(T), reveals an easy-plane magnetic anisotropy. A maximum is found in M(T) around T鈮 1.5 K when magnetic field H is applied in the ab plane, indic...
Long noncoding RNA (lncRNA) and mRNAs are long RNAs (鈮 200 nucleotides) compared with miRNAs. In blood, long RNAs may be protected by serum extracellular vesicles, such as apoptotic bodies (AB), microvesicles (MV), and exosomes (EXO). Th... D Lei,W Lin,Q Peng,... - Cancer epidem...
The discovery of two neutron stars with gravitational masses 鈮 2 {M}has placed a strong lower limit on the maximum mass of nonrotating neutron stars, and ... S Lawrence,JG Tervala,PF Bedaque,... - 《Astrophysical Journal》 被引量: 9发表: 2015年 ...
- 《Journal of Physical Chemistry B》 被引量: 14发表: 2012年 First experimental results from 2 MeV proton tandem accelerator for neutron production lithium 7mev rangeA 2 MeV proton tandem accelerator with vacuum insulation was developed and first experiments are carried out in the Budker Institute...
In the present visual-world experiment, participants were presented with visual displays that included a target item that was a semantic associate of an ab... JA Du?Abeitia,A Avilés,O Afonso,... - 《Cognition》 被引量: 137发表: 2009年 ...
Urban renewal: part 2 || the economics of urban renewal Efficient algorithms are known for the simple linear programming problem where each inequality is of the form x j x i 鈮 a ij. Furthermore, these techniqu... OA Davis,AB Whinston 被引量: 75发表: 1961年 Inequalities for the Maximum...
around HD 98800 B displays no excess emission below about 5.5 m, implying an optically thick disk wall at 5.9 AU and an inner, cleared-out region; however, some optically thin dust, consisting mainly of 3-m-sized silicate dust grains, orbits the binary in a ring between 1.5 and 2 AU....
A. QUOTE F6渭 F6渭 B. QUOTE F4渭 F4渭 C. QUOTE 4F渭 4F渭 D. QUOTE 6F渭 6F渭〖答案〗A? 〖解析〗有6个接触面间存在摩擦,所以 QUOTE F=6渭FN F=6渭FN, QUOTE ?。故选A。 2. 如图所示,横截面为半圆形的玻璃砖放在空气中,三束光线均由空气沿半圆半径方向射入玻璃砖,到达玻璃砖的圆心位置O...
A.机构运动简图;B.机构示意图;C.运动线图。 2.双曲柄机构ABCD中,若非机架三杆长度分别为50、80及70mm,则机架最大长度为 A.50mm B.20mmC.40mm 3.对偏置曲柄滑块机构 A.曲柄为等角速转动的原动件时,滑块有急回作用 B.滑块的行程与连杆长度无关 C.滑块为原动件时,机构无死点位置 4.当凸轮等速转动时,为...