查询词典 selective

Selective arteriography and embolization possesses higher practical value in the treatment of lumbosacral neoplasms.

选择性动脉造影及栓塞术在腰骶椎肿瘤治疗中具有较高的应用价值。

The proposed method is simple, selective and accurate. It can be used for quality control of Atropine Sulfate Eye Drops.

本方法操作简便，专属性强，结果准确，能有效地控制硫酸阿托品滴眼液的质量。

The optimized device process of p-n Alo.85Gao.15As/GaAs solar cells have been investigated. AuBe/Au and AuGeNi/Au were evaporated and metallized to form ohmic contacts of front grids and back electrodes, respectively. Heavily-doped GaAs cap layers were removed by the NH4OH:H202:H3P04:H20 selective etching solution.

分别采用真空蒸发AuBe/Au和AuGeNi/Au并合金化形成欧姆接触制作太阳电池正面栅线和背面电极；采用NH_4OH：H_2O_2：H_3PO_4：H_2O体系的选择性腐蚀液去除高掺杂的GaAs接触层；采用真空蒸发技术制备ZnS/MgF_2双层复合减反射膜。

A Cu-promoted ring-closed reaction of di-pyridylketone azine was developed in the design of a fluorescent chemodosimeter for potential selective Cudetection.

晶体结构和光谱分析表明，在DPKA的乙腈/水混合溶剂中，引入铜离子可以促使苯并三氮唑类荧光化合物(2)的形成，该反应可以使得溶液的荧光明显增强。

A dark band in the spectrum of white light that has been transmitted through a substance that exhibits absorption at selective wavelengths.

白光通过某种物质时，某些波长的光被有选择性地吸收而在光谱上留下的暗带。

A method for determination of basic nitrogen-containing compounds in mainstream smoke was established. In the condition of basic substance barium hydroxide powder and extractant chloroform, 18 basic nitrogen-containing compounds were analyzed by gas chromatography-selective ion monitored-mass spectrometry, such as pyridine, 2-methylpyridine, 2-methylpyrazine, quinoline and indole, etc.

在氢氧化钡碱性环境中，以三氯甲烷为萃取剂，采用气相色谱－选择离子监测－质谱法测定吡啶、2-甲基吡啶、2-甲基吡嗪、喹啉、吲哚等18种碱性含氮化合物。

But we want our content to be more selective, more in line with our values and national aspirations.

但是我们希望自己的内容更有选择性，更符合我们自己的价值观念和民族理想。

In his book of What Engineers Know and How They Know It: Analytical Studies from Aeronautical History, Walter. G. Vincenti demonstrates the origin and character of engineering knowledge and put forward the variation-selective model of that knowledge by using empirical and historical analytic method. In so doing he offers us a believably human image of the engineering.

文森蒂在《工程师知道什么以及他们是如何知道的－基于航空历史的分析研究》一书中，运用经验与历史分析的方法，为我们展示了工程知识的来源与特征，并提出了"工程知识增长的变异－选择模型"，构建了关于人类工程活动的令人信服的认知图景。

In this paper, we analyzed the important roles of mass transfer in selective hydrogenation of benzene.

本论文通过文献总结，分析了传质在苯选择加氢反应中的重要性。

IV. The total synthesis of dehydrodiconiferyl alcohol and its dihydro-derivative The benzofuran skeleton was constructed by chemically oxidative couplingstarting from vanillin, then selective reduction with LiAI〓/〓 andhydrogenation in the presence of Pd-C followed reduction with LiAl〓respectively, to give dehydrodiconideryl alcohol and its dihydro-derivative, usefulin treating and preventing digestive system disorders, esp.

四、Dehydrodiconiferyl alcohol及其二氢衍生物的全合成以香草醛为起始原料，用化学氧化法一步建立氢化苯骈呋喃骨架，LiAlH〓／〓选择性还原以及催化加氢还原接着〓还原，分别合成了对预防和治疗消化系统疾病尤其是胃溃疡有显著效果的Dehydrodiconiferylalcohol及其二氢衍生物。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。