The symmetrical ventilation at one end of vault in the main underground workshop of Xiluodu Power Dam was studied by the method of CFD.

Power dam load forecasting based on combined creating model method

基于混合建模方法的水电负荷预测

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UBS, YSU series of two-color glass plate level of use of UB-glass plate with the same level gauge, is UB-level glass plate of updated products.

YSU系列双色玻璃板液位计的使用方法与UB型玻璃板液位计相同，是UB型玻璃板液位计的更新产品。

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It is applied to the occasions which must choose the Safety Pressure Gauge with laminated safety glass.

适用于必须选用带有安全隔爆层的坚固安全型压力表的各种场合。

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According to the characteristics of gauge glass, a new type of photoelectric transducer is designed. The problems of its design are fully discussed.

根据液位指示玻璃管的特点，设计了一种新型的光电传感器，详述了它的设计问题。

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This paper introduces a new type measuring head for operating the liquid level measurement in a gauge glass with lineal array CCD.

本文介绍一种使用线阵CCD进行玻璃管内液位测量的光电测量头。

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It is found that the bending strength of gauge glass increases when the temperature decreases.

随着温度降低，玻璃板的抗弯强度测定值增加。

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Smart measuring head for using CCD to measure the liquid level in a gauge glass

使用CCD测量玻璃管内液体界面位置的灵巧测量头

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Enantioselective Synthesis of Silicon-Containing ( R)-Ketone Cyanhydrin Catalyzed by ( R)-Oxynitrilase from Plum in an Aqueous/ Organic Biphasic System

水/有机溶剂双相中郁李醇腈酶催化含硅（R）-酮氰醇对映选择性合成

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As for respectable middle class opinion, it was represented by the Sunday Express in 1928, greeting The Well of Loneliness with the words, 'I had rather give a healthy boy or a healthy girl a phial of prussic acid than this novel.'

作为受人尊敬的中产阶级的观点，1928年《周日快报》的展现了这个观点，它评价《孤独之井》说：宁愿给孩子一瓶氢氰酸，也不要给他看这本小说。

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I should fancy it was prussic acid, as she seems to have died instantaneously.

我估计是氢氰酸，因为她好象是立刻断气的。

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Two new multibranched chromophores, named as NO-G2 and BO-G2, with the same peripheral branch of oxadiazole-unit, but different molecular core, that is, carbazole for NO-G2 and benzonitrile for BO-G2, were synthesized and characterized by mass spectra and 1H NMR spectra, respectively.

选择恶二唑基团作为多枝化合物的枝，以苯甲腈基和咔唑基团为分子的核，合成了两个四枝化合物（BO-G2和NO-G2），进行了核磁共振和质谱的表征。

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A new method for synthesizing benzonitrile using benzoic acid and urea as raw materials. The effect of the molar ratio of the reactants, the reaction temperature and time on the yield of benzonitrile has been investigated. Through the study, the optimal technological conditions were obtained.

研究了以苯甲酸和尿素为原料合成苯甲腈的新方法，对反应物的摩尔比，反应温度和时间对产率的影响作了探讨，找到了最佳工艺条件。

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Single photon ionization and fragmentation of benzonitrile is studied using synchrotron radiation. The ionization potential of benzonitrile, and the appearance potentials of spontaneous or prompt and metastable fragment ions for different flight time are measured precisely.

用同步辐射研究苯基氰分子的单光子电离与碎解，精确地测量它的电离势、在不同的飞行时间产生的自发的和亚稳态碎片离子的出峰电势（appearance potential）。

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The product 1-Bromine-5-phenyl-tetrazole was synthesized from benzonitrile, Br_ ( 2) and sodium azide by cyclization and bromization.

以苯甲腈、叠氮钠、溴等为原料，经偶合，溴化合成了1-溴-5-苯基四氮唑。

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2,6-Bis ( 4-aminophenoxy) benzonitrile monomer was synthesized from 4-aminophenol and 2,6-dichloro benzonitrile with the overall yield of 55%.

从4-氨基酚和2,6-二氯苯腈出发，合成了2,6-双（4-氨基苯氧基）苯腈单体，总收率为55%。

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The results show that the catalyst of V-Cr-Co-B-O/ SiO2 is characterized by low reaction temperature, low ammonia to oxygen ratio, high production capacity and high benzonitrile yield and so on.

结果表明，V-Cr-Co-B-O/SiO2催化剂具有反应温度低、氨和氧的配比小、生产能力大和苯甲腈收率高等优点。

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Synthesis of 2,6-Bis ( 4-aminophenoxy) benzonitrile and Its Polyimide

2,6-双（4-氨基苯氧基）苯腈的合成及其聚酰亚胺

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Methods The title compounds were synthesized by aminated pyridium with substituted benzonitrile, and their luteal cell killing activity were carried out.

方法甲基取代吡啶胺化后，通过和取代苯甲腈缩合反应合成目标化合物，利用离体培养大鼠黄体细胞试验进行抗早孕活性筛选。

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Ammoxidation of Toluene to Benzonitrile on VPO Catalysts

甲苯氨氧化合成苯甲腈VPO催化剂研究

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One step synthesis of o methyl benzonitrile with o xylene as raw material and benzene carbonate as catalyst was carried out in liquid phase oxygenation.

以邻二甲苯为原料、苯甲酸盐为催化剂进行液相氧化，一步合成邻甲基苯甲腈。

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