查询词典 Bi

In our work, the effect of Bi content on the dezincification of the brass were investigated.

结果表明，铋在铸态黄铜中为单质相，不固溶于基体中，主要以薄膜状存在于晶界上。

Meanwhile the interesting structures of the five azido-bridged complexes containing a series of bi diazine ligands indicate the varieties of azido ions in designing polymeric archi

2五个高维叠氮桥cd配合物(10一14)：化合物10、n为不同桥联方式的二维(6，3)层状结构，而12一14具有相同的三维(10，3)聚合网络结构。

To 4. 4%, V from 0% to 11% is analyzed by heating and fast cooling test, diffracted X ray, color microstructure, XPS. Theory basis is provided for applications of the series alloy, as confirmed crystallize phase species and crystallize temperature, established the Fe-C, Fe-V bi-paraconstitutional diagrams and the tri-papaconstitutional diagrams relationship between the combatant to C and V and the primary crystallize phase, obtained relationship between component of alloy and solidification organizing.

确定各结晶相种类和结晶温度，建立了C、V含量与初生相关系的准3元状态图和Fe-C，Fe-V的准2元状态图，获得了合金成分与凝固组织的关系，为该系列合金的应用提供了现论依据，使根据组织要求而进行合金成分设计成为可能。

And the devices'properties and improve the properties to prepare the artificial boundary. The bi-epitaxial YBCO superconducting film with 45°grain boundary in a-b plane was made for the first time in China in this article by magnetic sputtering instrument that was designed and fabricated by ourselves. The x-ray θ～ 2θ scan 、Ф scan、rocking curve、non-symmetry diffraction and SEM、 TEM、AES etc. were utilized in the study.

为此，本工作采用自行设计制造的全金属密封超高真空磁控溅射设备，利用x射线θ～2θ扫描、Ф扫描、摇摆曲线、非对称衍射及SEM、TEM、AES等分析测试手段，在国内首次、也是至今唯一的一家，制得a—b平面内具有45°人工晶界的双外延YBCO超导薄膜，并进而得到双外延晶界Josephson结。

Based on the theory of light propagation and diffraction characteristics of grating, the optical energy transfer of bi-grating imaging system is studied and the expression for the intensity of combined beams is given.

从光传播基本理论和光栅衍射性质出发，研究了双光栅成像效应中的光能量传递，得到了确定汇合级光强的表达式。

Recent work suggests that dimer and higher order oligomeric forms of the SR-BI protein are important to this process.

最近的工作表明，二聚体的形式与高阶低聚简碧蛋白质这一过程很重要。

A bi-static dioptric optical antenna is designed and evaluated with optical design software ZEMAX. This design eliminates backscatter from transmitter to receiver and simplifies the beam pointing and tracking subsystem.

光学天线是FSO系统的重要组成部分，本文设计了收发分离的折射式光学天线，并用光学设计软件ZEMAX进行模拟和评价。

It was because TBT owned diplex, wide, covert, diffused and some other characteristics that it became one of the most complex and hardest to conquer Barriers in international trade, and became the bi...

并且因为其本身具有双重性、广泛性、隐蔽性、扩散性等特点，使其成为当今国际贸易中最复杂、最难对付的一种贸易壁垒，成为国际贸易的最大障碍。

FU Bi is a famous statesman,strategist and diplomatist of North Song Dynasty.

富弼是北宋著名的政治家、军事家、外交家。

Experiments carried on color negative film and color paper showed that these bi-equivalent couplers perform higher photographic activity and higher stability compared with conventional quadra-equivalent magenta couplers and are also different from DIR couplers.

文摘：本文叙述硫醚类二当量品红成色剂的合成和性能研究，经彩色胶卷和彩色相纸应用试验，与四当量成色剂比较，有着更高照相活性与稳定性，并说明了与DIR品成色剂的区别。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。