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Based on the colour reaction of copper with sulfocyanate and crystal violet, a new spectrphotometric method for determination of copper in the presence of β-cyclodextrin and arabic gum is proposed. The factors such as acidity, reagent dosage, influence of surfactant and coexisting ions on the reaction were discussed and the optimal conditions were investigated.

研究了在β-环糊精和阿拉伯树胶存在下，在硫酸介质中，硫氰酸盐－结晶紫与铜的显色反应，建立了光度法测定铜的新方法；讨论了酸度、显色剂用量、表面活性剂和共存离子的影响，确定了最佳实验条件。

The primers of exon 1 and 2 of hircine GDF9 gene were designed on base of the sequence of ovine GDF9 gene.

本研究根据绵羊GDF9基因序列设计引物扩增山羊GDF9基因的外显子1和外显子2。

Especially, in the second exon two base substitutions had been found at positions +368 and +456. At position +368, the first result was in substitution of glutamine for arginine. While the second was homonymy substitution at position +456.

在第2外显子有2处碱基取代，分别是+368处的G→A，导致精氨酸→谷氨酰胺，及+456处的T→C，为同义取代，仍为丙氨酸；第5外显子+1572处的A→G，导致组氨酸→精氨酸。

Shall I ask you whether God is a magician, and of a nature to appear insidiously now in one shape, and now in another--sometimes himself changing and passing into many forms, sometimes deceiving us with the semblance of such transformations; or is he one and the same immutably fixed in his own proper image?

我想问问你神是否是魔术师，他是否就具有神不知鬼不觉一会儿显身这种形态一会儿又显身另外一种形态的本领呢——他是否有时会变化无端并且以捉摸不定的形态呈现出无穷无尽的魔力，有时又变形为乔装打扮的魔鬼来欺骗我们；抑或他是否固有某种永不改变的单一共同意象呢？

Result: The cases with obvious effect, effective, inefficacy in treatment group and control group was 9 cases, 6 cases; 12 cases, 9 cases; 2 cases, 5 cases, respectively.

结果：治疗组9例显效，12例有效，2例无效；对照组6例显效，9例有效，5例无效；两组总有效率比有显著差异（P＜0.05），两组均无严重不良反应。

The LCD display character is acquisited by CCD,after analysis with image process and artificial neural network theory,through grid and intersecting lines to pick up the character′s characteristic,recognize LCD display character,provide with a kind of interface for the instruments and equipments which have no standard interface with the computer but have a LCD display.

摘 要：利用CCD对LCD数码显示字符进行采集，在分析图像处理和神经网络理论的基础上，采用网格法与交线特征提取法，对LCD数显字符进行识别，为具有LCD数显而与计算机无标准通信接口的仪器仪表设备提供一种实用的无线接口。

The constitutive equation between current density vector and electric field strength vector is tranformed into s-domain by the principle of Laplace transform,and the inverse Laplace transform is adopted for the explicit equations between them in time-domain. Finally through exponential time stepping,the FDTD iteration equations are obtained,which can be easily solved in discrete-time-domain.

该方法是将电流密度矢量与电场强度矢量之间的本构方程基于拉普拉斯变换原理转到复频域，然后再逆变换到时域得到它们之间显式的方程，最后再结合指数差分，得到离散时域的显式的FDTD迭代方程，解决了本构方程中电流密度矢量的分量相互耦合而不易直接离散的困难。

Results In treated group,68 cases showed excellent,13 responsive and 3 irresponsive;in the control group,56 showed excellent,11 responsive,5 irresponsive.

结果 对照组显效56例，有效11例，无效5例；治疗组显效68例，有效13例，无效3例，两组比较差异无统计学意义（u=0.2896，P＞0.05）。

If you would like to try and eliminate these jaggies select anti-aliasing and this will actually draw the X-Plane world several times per frame and blend them together, resulting in a better-looking image.

译者注：新版本的抗锯齿允许你设置倍数，2，4，8，16倍是可选的，经过测试，GTX260显卡可以轻松应对16倍的抗锯齿而不会造成任何的帧率下降）如果你的显卡不够强悍，那么高倍的抗锯齿设置会大大降低你的画面帧率。

Objective To evaluate the significance of color doppler flow imaging. Methods 30 cases of internal jugular vein dilation were examined by color doppler flow imaging.

目的 探讨彩色普勒血流显像在颈静脉扩张症诊断中的临床价值方法应用彩色多普勒血流显像对30例颈内静脉扩张症的患者进行检查。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷