查询词典 direct method

The nanoTiO2-CNT-PtNi complex catalysts were prepared by the direct hydrolysis of electrosynthetic precursor Ti4 and electrochemical scan electrodepositing method.

采用电合成前驱体Ti4直接水解法和电化学扫描电沉积法制备纳米TiO2-CNT-PtNi复合纳米催化剂。

To study and evaluate the impact of different frequency's floods on social and economic development of the area of Lower weihe River in shaanxi province up the San-men-xia reservoir Employ the method of items of direct loss,namely,to exact all kinds of loss percents of everythings on the earth submersed by the flood by empirics and practical datas ,and ultimately evaluate the flooded loss of some flood standard.

研究评价三门峡水库不同频率洪水对陕西渭河库区社会经济发展的影响。采用直接损失项目法，即根据经验和实际数据确定洪水淹没的各种地表载物的损失率，估算某种洪水标准时的洪灾损失。

This protocol could also be used for the selective reduction of the endocyclic double bond of the 3-electron withdrawing group substituted coumarins. This method is clean, mild, and efficient.2 ZrCl_4 / HEH was found to be a selective and efficient reagent combination for the direct reductive amination of electron rich aldehydes and ketones with weakly basic amines after scanning various catalysts such as InCl_3, BiCl_3, CF_3COOH and so on.

图一 1。我们用汉斯酯作为有机还原剂，乙醇为溶剂，实现了4-甲叉基噁嗯唑酮和吡唑酮环外双键的高选择性还原；此外，我们还将这一还原体系用于3-吸电子集团取代-3，4-二氢香豆素环内双键的选择性还原。

The results showed that all the strains of A. avenae subsp.citrulli tested produced 360bp specific fragments by the ISE and the direct PCR method, while others including 23 strains of Pseudomonas, Xanthomonas, Erwinia, Clavibacter, Burkholderia and Bacillus showed negative PCR result.

用直接PCR技术和免疫捕捉PCR技术检测西瓜果斑病菌，结果表明，所有果斑病菌都能产生360bp左右的特异性片段，而对照Pseudomonas、Xanthomonas、Erwinia、Clavibacter、Burkholderia及Bacillus的23菌株无特异性片段产生。

In this paper, titanium ethoxide was synthesized by the direct electrochemical method. The production was characterized by Raman spectra. The effects of different factors on the voltage, current efficiency, material yield and space-time yield were investigated.

采用直接电化学法合成乙醇钛，采用激光拉曼光谱对产物进行了表征，详细探讨了电解时间、电流密度、支持电解质浓度、电解液温度以及电极间距对槽电压、电流效率、产物收率和时空产率的影响。

In the case of study, the better fittable algorithm of volume visualization is selected in accordance with the analysis of the software.

三维可视化是科学计算可视化和三维GIS密切联系的纽带，本文综述该方面的发展趋势，研究了两大类三维数据场可视化算法：表面拟合方法(Surface-fitting method)和直接体绘制(Direct Volume Rendering，DVR)。

In this paper,the inductively coupled plasma atomic emission spectrometry method by which the matrix was matched to the calibration curve was proposed for the direct determination of fourteen trace elements in potassium fluotantalate .

提出了基体匹配标准曲线，电感耦合等离子体发射光谱法直接测定氟钽酸钾中十四种杂质元素的分析方法。

At last, new manufacturing method has been achieved successfully on CO_2 laser direct writing grooving PMMA microfluidic chips.

最后，成功实现了CO_2激光直写PMMA微流控芯片的制造新方法。

The values of LEC is calculated by using some data regarding V~*_(λ from direct heterochromatic brightness comparison method in different luminance levels from 10~(-5 to 10~(2) cd·m~(-2); 10 degree visual angle.

LEC值可为道路照明设计时选择适宜的光源提供有益的参考。

The numerical experiment results show that the imaging convergent speed of the direct demodulation imaging method is accelerated dramatically using the ways proposed in the present paper.Furthermore, the author proposes one way to improve timing performance of parallel interpolative algebraic reconstruction.

此外初步研究了平行束的插值代数重建算法，在求像素投影地址时利用像素与像素投影之间的相关性和图像区域的对称性来提高插值代数重建算法重建图像的速度。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。