介质

Based on the characteristic that boracic acid (H3BO3) has a condasation and complexation reaction with 3-MCPD forming a negative-charged adduct in aqueous phase, arapid method for the direct determination of 3-MCPD in HVP by capillary electrophoresis with conductivity detection was investigated.

利用硼酸能与3-氯-1，2-丙二醇(3-MCPD)上的2个邻位羟基进行键合生成配合阴离子、从而增加多羟基化合物的负电荷的特性，在15 mmol/L 三羟甲基氨基甲烷-10 mmol/L H3BO3(pH 8.3)介质中，采用毛细管电泳/电导检测法分离检测了3-MCPD，该方法的线性范围为0.5-20 mg/L，检出限为0.1 mg/L(S/N=3)。

According to the theory of first-order Born approximation,a Fourier Domain Optical Coherence Tomography model of single scattering infinite narrow beam is established,and the reason why it is hard to obtain the exact solution of integrated scattering equation is analyzed.

选择多层介质作为样品，根据波恩一阶近似理论建立了单次散射的无限细直光束频域OCT模型，并分析了散射积分方程很难得到精确解的原因。

On the other hand, in order to contact to practical application and combine the actual experimental condition, we can make some elementary research on the application of boron nitride which has been synthesized.

将合成的纳米氮化硼材料进行表面改性，改善纳米粉体表面的润湿性，增强了其在介质中的界面相容性，使氮化硼纳米粒子容易在有机化合物中分散，提高了氮化硼纳米粉体的应用性能。

Multi scale decomposition of wavelets ; Bouguer gravity anomaly ; rock density ; seismic activity ; North China

小波多尺度分解；布格重力异常；介质密度；地震活动；华北地区

It shows that some organic liquids, which have higher dielectric constant, small viscosity, and methyl group bound directly with high negative charge atom, are appropriate carbon source for deposition DLC films.

介电常数比较高的、粘度小的、甲基基团直接与极性基团连接的有机介质是合适的液相沉积类金刚石薄膜的碳源。

In the space filled with dielectric, Coulomb's law should be: F = kQ1Q2r2.V in the electric field generated dielectric polarization bound charge and bound charge generated within the medium electric field, and external electric field in the opposite direction, so to diminish the external electric field.

在充满电介质的空间里，库仑定律应为：F＝kQ1Q2r2.V在电场作用下电介质极化产生束缚电荷，束缚电荷在介质内部产生电场，与外电场方向相反，所以使外电场减弱。

According to periodic boundary conditions, one unit cell has been isolated as the calculation region, and the method of lines is used to get the propagation equation of potential function in different interfaces of medium layers.

王瑞 西北大学信息科学与技术学院，西安 710127郑秋容空军工程大学电讯工程学院，西安 710077运用直线法对含有不同参数支撑介质的平面型电磁带隙结构进行了分析。

Generalized Darcy's law was first derived from the study of fluid flow through a solid-fluid mixture,and the saturated permeability tensor of a preform could be predicted by studying its unit cell under periodic boundary conditions.

首先，采用均匀化理论分析了流体在多孔介质内的流动问题，推导出广义达西定律，证明以施加周期性边界条件的单胞为研究对象，可以预测预成型体的渗透率张量，并以单向纤维织物为例，对该方法进行了验证。

According to the characteristic of cooling material, basic assumption and boundary condition are presented.

结合冷却介质的特性，给出了流体场计算的基本假设和边界条件。

The boundary element method has also been studied systematically in this thesis.

作者对边界元法进行了系统的研究，对多介质边界元方法进行了公式推导，编制了相应的计算软件。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。