查询词典 chloride

From soil analysis we could seen that orchard soil salt composing types of the experiment area was Chloride-Soda-Sulfate in the 0~20 and 40~60 cm soil layer depth, the 20~40 cm soil layer was Soda-Chloride- Sulfate. Soil pH was less 8.5, and all soil surface layer salt contents less 0.20%, ESP was less 10, HCO3(superscript -)/Cl(superscript -+SO4(superscript 2-) was less 0.5. There were a little salt and basification phenomena with soil of growth better orchards compare.

从土壤的分析结果看，项目区果园土壤盐分组成类型为：0~20 cm和40~60 cm土层为氯化物－苏打－硫酸盐型；20~40 cm土层为苏打－氯化物－硫酸盐型。pH.5，土壤表层盐分的含量均小于0.20%，ESP值小于10，HCO3/Cl(上标-+SO4(上标 2-)。5，与生长良好的果园区土壤相比有轻微的盐化和碱化现象。

The uncertainty of measurement for the determination of chloride content in water by silver nitrate titration method was evaluated.The influence of the factors on the uncertainty of measurement for the determination of chloride content were analyzed, including repeatability of measurement results, burette, the concentration of standard solution, etc.

氯化物进入地表水中有自然和人为两种因素，岩石风化可使自然界中的氯化物进入地表水中，同时工业及生活污水的排放和海水倒灌也会给地表水中引入大量的氯化物，地表水中氯化物含量的变化是监测排污和咸潮影响的重要指标。

Mainly engaged in: Hydrogen-imide hydrochloride, o-chlorophenyl cyclopentanone, 3.4 dimethoxy ethyl benzene, butyn single potassium acid, potassium ethyl malonyl, Ding amide, amide isobutyraldehyde , allyl chloroacetate, isopropyl chloroacetate Benzyl aluminum, cyclopentene, cyanide-o-chlorophenyl, o-methyl chloride, sulfuric acid chloride, p-chlorophenol, imidazole, Pinacolone, one chlorine Pinacolone.

主要经营：盐酸氢亚胺、邻氯苯基环戊酮、3.4二甲氧基苯乙酯、丁炔二酸单钾盐、丙二酸单乙酯钾盐、丁酰胺、异丁酰胺、氯乙酸烯丙酯、氯乙酸苄酯异丙醇铝、环戊烯、邻氯苯氰、邻氯苯甲酯氯、硫酸氯、对氯苯酚、咪唑、频呐酮、一氯频呐酮。

Surface tension of water and saturated calcium hydroxide solution which added sodium chloride,calcium chloride,sodium sulfate and calcium nitrate were tested by ring method to study the effects of these salts on concrete performance.

为研究混凝土中常用的无机盐类外加剂对混凝土性能的影响，采用吊环法测试了不同浓度氯化钠、氯化钙、硫酸钠和硝酸钙水溶液和饱和氢氧化钙溶液的表面张力。

Alkylations of benzene with dodecene and/or chloromethane in the room temperature ionic liquid 1-methyl-3-butylimdazole chloride-aluminium chloride as catalyst have been investigated with high conversion and selectivity.

首次研究了在氯铝酸室温离子液体系中二甲苯与苯乙烯的烷基化反应制1-苯基1-二甲苯基乙烷及其衍生物。考察了离子液体催化剂量和反应条件的不同对产物组成及副产物数量的影响。

The outlets of methane tetrachloride produced in the production facilities of chloromethane in China at present were proposed,such as conversion to diphenyl ketone ,ethylene tetrachloride,cinnamic acid,trichloroacetyl chloride,methane chloride and chloroform.

提出了目前我国氯甲烷生产装置副产的四氯化碳的出路：转化成二苯甲酮、四氯乙烯、肉桂酸、三氯乙酰氯、一氯甲烷、氯仿。

Chlorophenol and 4-chlorophenol can be transformed to phenol and chloride ion and 2, 4-dichlorophenol to phenol, chloride ion and a small amount of 2-chlorophenol and 4-chlorophenol.

2-氯酚和4-氯酚被还原脱氯生成苯酚和氯离子，2，4-二氯酚被还原脱氯生成苯酚、少量的2-氯酚和4-氯酚以及氯离子。

One group inhaled 20 ml of 5% atomized sodium chloride solution and 4 000 U of α-chymotrypsin, the other inhaled only 20 ml of 5% sodium chloride solution.

为探讨干咳患者促进排痰的方法，用5%氯化钠溶液20 ml加α-糜蛋白酶4 000 U雾化吸入与单纯5%氯化钠溶液20 ml雾化吸入作比较。

A new chiral quaternary ammonium salt 1a was synthesized by the reaction of cinchonine and(2,4,6-)trimethyl benzyl chloride.Etherification between 1a and benzyl bromide,allyl chloride,or methyl give corresponding etherified quaternary ammonium salts 1b,1c,and 1d.

由辛可宁和2，4，6-三甲基苄氯，合成了一种新的手性季铵盐(1a)，并进一步用苄基溴、碘甲烷和烯丙基氯对分子中的羟基进行醚化，得到相转移催化剂1b、1c和1d。

Amino(9-deoxy)epicinchonine was synthesized from cinchonine through the Mitsunobu reaction and was treated with p-toluenesulfonyl chloride,4-chlorobenzene sulfonyl chloride respectively to give two new chiral sulfonamide s.

以辛可宁为原料，经Mitsunobu反应合成了9-氨基(9-脱氧)表辛可宁，然后分别与对甲苯磺酰氯、对氯苯磺酰氯反应，合成了两个新手性磺酰胺，其结构经红外光谱和核磁共振确证。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。