化合物

Suitable water-immiscible organic solvents include aromatic hydrocarbons, eg toluene, xylene, naphthalene, tetrahydronaphthalene and methyl naphthalene; chlorinated aromatic hydrocarbons, eg chlorobenzene, fluorobenzene, chloronaphthalene and bromonaphthalene; esters, eg butyl acetate, ethyl acetate, methyl benzoate, ethyl benzoate, benzyl benzoate, butyl benzoate, phenylethyl acetate, butyl lactate, benzyl lactate, diethyleneglycol dipropionate, dimethyl phthalate, diethyl phthalate, dibutyl phthalate, di(2-ethylhexyl) phthalate; alcohols having six or more carbon atoms, eg hexanol, octanol, benzyl alcohol, phenyl ethanol, phenoxy ethanol, phenoxy propanol and phenoxy butanol; ethers having at least 5 carbon atoms, preferably C 5-14 ethers, eg anisole and phenetol; nitrocellulose, cellulose ether, cellulose acetate; low odour petroleum distillates; turpentine; white spirits; naphtha; isopropylbiphenyl; terpene; vegetable oil; mineral oil; essential oil; and natural oil; and mixtures of any two or more thereof.

适用于水互溶的有机溶剂包括芳香族碳氢化合物，如甲苯，二甲苯，萘，四氢萘和甲基萘；氯代芳香族碳氢化合物，如氯苯，氟，氯萘和萘；酯类，如醋酸丁酯，醋酸乙酯，苯甲酸甲酯，苯甲酸乙酯，苄酯，苯甲酸正丁酯，苯，醋酸丁酯乳酸，乳酸苄，二甘醇二丙酸酯，邻苯二甲酸二甲酯，邻苯二甲酸二乙酯，邻苯二甲酸二丁酯，二（2乙基己基）酯；醇有6个或更多碳原子，如己醇，辛醇，苯甲醇，苯乙醇，苯氧基乙醇，丙醇和苯氧基苯氧丁醇；醚至少有5个碳原子，最好荤5-14醚，如苯甲醚和phenetol；硝化棉，纤维素醚，醋酸纤维素，低气味石油蒸馏；松节油；白酒，石脑油isopropylbiphenyl；萜类，植物油，矿物油，挥发油；和天然油，以及任何两个或两个以上其混合物。

Beryllium has valence 2 in all its compounds, which are generally colourless and taste distinctly sweet.

铍在所有化合物中的原子价都是2，这些化合物通常都无色，有独特的甜味。

In subsequent experiments, the antioxidant enzyme activities of superoxide dismustase, catalase and glutathione peroxidase in juvenile goldfish exposed to single compound and equitoxic binary mixtures of 2-chlorophenol and 2, 4-dichlorophenol were investigated. Finally, the relationship between lethal doses and effective concentrations in the experiments are discussed.

第二部分通过系统研究氯酚类化合物单一化合物和等毒性二元混合物暴露对鲤科金鱼幼鱼的急性联合毒性作用方式和肝脏组织内三种细胞抗氧化酶(SOD， CAT和GSH-Px)的活性变化，探讨了水生生物急性致死剂量与效应浓度之间在数值上可能存在的相关性。

In this dissertation, Al-Cu-Mn ternary alloy ultrafine powders with 99% relative content of AlCu〓Mn compound phase were prepared. But only binary compound phases of Al-Cu and Al-Cr systems formed in the Al-Cu-Cr ternary alloy ultrafine powders, without any ternary compound phase.

本研究在蒸发Al-Cu-Mn合金时，制得了AlCu〓Mn相对含量达到99％的合金超微粉末；在蒸发Al-Cu-Cr合金时，制备的超微粉末中只生成了Al-Cr和Al-Cu二元化合物相，无Al-Cu-Cr三元化合物合金相生成。

A biphenyl compound and a preparation method and application thereof are disclosed.

联苯类化合物及其制备方法和应用，涉及一种联苯类化合物。

In this thesis, a type of biphenyl rod-like liquid crystals and two types of triphenylene discotic liquid crystals were synthesized.

本文报道了一类新的联苯类棒状液晶化合物和两类苯并菲盘状液晶化合物的合成。

Two dinuclear metallocenes with biphenyl bridge were synthesized. and their catalytic properties for the polymerization of ethylene were investigated.

3对于具有超高活性的混合双茂化合物，我们用联苯桥连合成了其类似的双核茂金属化合物。

Iron in particles presents not only in trivalent compounds but also in bivalent ones, especially for samples collected in dust episode.

更重要的是，铁不仅以三价化合物存在，而且部分以二价化合物存在，特别是在沙尘暴期间。

The quaternary GalnAsSb can be used for the bolometer, IR radar, monitoring of the environment, trace gases and other interesting purpose for its special response wavelength. GalnAsSb infrared detectors are novel compound detectors with advantages of fast response, high sensitivity, high stability, low price, especially its character to work at room temperature.

当其晶格参数与InP衬底的晶格参数相匹配时，其覆盖波长基本不变(1.6～1.7μm)：但是匹配于InAs衬底时，覆盖波长从1.7μm变到3.4μm；而与GaSb衬底晶格匹配时AlGaAsSb、GaInAsSb四元系化合物材料可以覆盖从1.7μm至4.3μm的波段，所以GaInAsSb四元系化合物材料在红外成像、红外技术方面有重要的实用价值，同时在未来的超低损耗光纤通信中也具有潜在的应用。

The results showed that the two synthesized compounds have good thermal stability; two synthesized compounds as additives in 5 cst possess rather good antiwear property and load-carrying capacity, and the antiwear ability of the additive loma is stronger than that of the additive boma; there is a pronounced synergism between the additives loma/boma and zddp in terms of the anti-wear property and load-carrying capacity.

发现两种化合物有很好的热稳定性；两种化合物作为润滑油添加剂在5 mm2/s基础油中有相当好的抗磨性能和承载能力，其中含有三嗪环的抗磨添加剂比不含三嗪环的抗磨能力好；两种抗磨添加剂均与zddp有很好的协同抗磨减摩作用。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。