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The morphological structure of leaf of 6 plants was as follows: Nitraria tangutorum was thickness, Nitraria tangutorum and Ceratoides lateens was coated with hair, Haloxylon ammodendron was degenerated to branch, Kalidium gracile was with tisuues for holding water.

6种植物叶片旱生结构特点表现为:唐古特白刺叶片较厚,唐古特白刺及驼绒藜表皮具有毛,梭梭叶片退化为同化枝,盐爪爪具有丰富的贮水组织,此6种植物叶片内均有含晶细胞。

The increase after the nitrogen salt, had not promoted the hypha growth.

添加含氮盐后,并没有促进菌丝的生长。

One of the most insoluble arsenic compounds is lead chloroarsenate, Pb5(AsO4)3Cl,( the mineral form being mimetite) which has been studied in detail.

最难以解决的砷化合物之一是铅含氯砷酸盐, Pb5(AsO4)3Cl ,已经被详细研究。

An oxyacid of tungsten formed by neutralizing alkaline tungstate solutions.

钨的含氧酸,通过中和碱性钨酸盐溶液形成。

Molar Gibbs free energy or molar enthalpy of formation of complex oxysalt minerals with water is obtained by the summation of molar Gibbs free energy or molar enthalpy of formation of the part without water and water.

含水复杂含氧盐矿物摩尔生成Gibbs自由能或摩尔生成焓是不含水部分和水的摩尔生成Gibbs自由能或摩尔生成焓贡献值之和。

Character: White or almost white crystalline powder, smell-less;Assay:≥98.5%;Solubility:Soluble in water, Slightly soluble in acetone and ethanol;IR:Complies with the working standard;Chemical identification:Red;Na Salt indentification:Complies with the standard;Relative substance:Complies with the working standard;pH:8.0-9.5;Loss on drying:≤0.5%; Heavy metal:≤ 20ppm

特征及特性:应为白色或类白色结晶性粉末;无臭,无味;含奥扎格雷钠(C13H11N2NaO2)≥98.5%;在水中溶解,在乙醇和丙酮中微溶;IR图谱与对照品一致;化学鉴别应显红色;溶液主斑点与对照品溶液主斑点的位置相同;钠盐鉴别符合规定;有关物质鉴别符合规定;pH:8.0~9.5;;干燥失重≤0.5%;重金属≤20ppm

Based on laboratory research,the feasible analysis on process technology of producing sodium dichromate from used chromic residue phosphate produced by reused sodium hydroger sulfate in chromate producing system is made,together with its potential market analysis.

铬盐生产厂含铬硫酸氢钠返回系统中再利用所产生的废渣———磷酸铬渣,通过实验室研究,可生产重铬酸钠。

The existing form of boron on the rubbing surfaces is sodium metaborate which can be dissolved in water. The hydration water of so- dium metaborate can reduce the aiitiwear function on Four-ball Machine but enhance its antiwear ability on Timken Tester. The study also revealed that sulfonate dispersant Can reduce the antiwear function of sodium metaborate while succinimide dispersant enhance its antiwear ability.

结果表明,含偏硼酸钠的白油能在摩擦表面形成含偏硼酸钠的表面膜而具有较好的抗磨性,硼在摩擦表面膜中以偏硼酸钠的形式存在,钠和钙的石油磺酸盐型分散剂会降低偏硼酸钠的抗磨性,而丁二酰亚胺类分散剂则能提高其抗磨性。

Experiments show that water solution contained 0. 5 -1 % sodium sulfate and 1 - 2% acetic acid is treated by means of electrodialyzer of 200 × 400mm assembled with tri - membrances and 19% sodium sulfate and 20% acetic acid are recovered by concentrating and separating. The content of salt and acid in the purified water is less than 0. 01%, current efficiency greater than 85 %, flow length in 3 ~ 5m and power consumption about 40 ~ 50 kwh/t.

实验表明,含0.5~1%硫酸钠、1~2%乙酸的水溶液通过三对膜组装的200×400mm电渗析器,分别得到含19%硫酸钠、20%乙酸的浓缩液,外排水中盐和酸的含量小于0.01%,电流效率大于85%,流程长度3~5m,耗电量40~50kwh/t。

Aquatic crustaceans are typical ammonotelic animals. They excrete nitrogenous wastes in the form of ammonia. However, under high salinity, the hemolymph of Penaeus Monodon was found to contain a large quantity of urea. The aim of this thesis was to investigate the mechanism of how nitrogenous metabolites change under different salinities.

水生甲壳类是典型的排氨型动物,体内含氮废物以氮的型式代谢,但草虾於高盐环境下,其血淋巴中却产生大量的尿素,本论文研究的目的即在探讨含氮代谢物在环境盐度变化下的转换机制。

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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。

The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.

聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力