anhydrous的例句大全

Results showed that sodium cyanate with 98.1% purity could be obtained in the medium of DMF, when the mole ratio of urea to anhydrous sodium carbonate was 2.5, the reaction temperature 120~ 140 ℃ and reaction time 8~ 10 h.

实验结果表明，在DMF反应介质中，当尿素与无水碳酸钠物质的量比为2.50，反应温度120~140℃，反应时间8~10h，可以制得纯度为98.1%的氰酸钠产物。

Sodium cyanate was prepared from reactants& urea and anhydrous sodium carbonate through liquid-solid chemical reaction method, in the solvent of N, N-dimethlformamide ( DMF).

使用液固化学反应法，以尿素和无水碳酸钠为原料，在N，N-二甲基甲酰胺（DMF）溶剂的反应介质中，制备了氰酸钠产品。

The catalyst carrier for biomass pyrolysis was prepared by red mud, ash and anhydrous sodium carbonate.

以赤泥和粉煤灰为原料,无水碳酸钠为造孔剂,制备了用于生物质裂解的催化剂载体.

Diethyl succinate was synthesized from succinic acide and absolute alcohol with anhydrous ferric chloride catalyst under normal atmosphere. Water clarifying agent& Ferric chloride

报道了以丁二酸和无水乙醇为原料，在无水氯化铁催化下合成丁二酸二乙酯的反应条件。GB4482-1993净水剂氯化铁

Solid phase extraction method was recommended by OIV, but in the OIV method, anhydrous ethanol, one of the reagents, contained ethyl carbamate in itself. Therefore, there was drawback in this method.

国际葡萄与葡萄酒组织（OIV）推荐的方法为固相萃取柱方法，方法中应用的试剂之一无水乙醇本身含有氨基甲酸乙酯，因此存在一定缺陷。

The treatment of wool under anhydrous conditions with potassium tert-butoxide solution is studied.

研究了羊毛纤维在叔丁醇钾无水醇溶液中的改性问题.

Technical grade propylene ( 92-93 percent , the balance being propane ) and anhydrous fertilizer grade ammonia are satisfactory.

技术级的丙烯 ( 92-93%, 平衡剂为丙烷 ) 和无水化肥级氨水就能满足要求.

Calcium hydrogen phosphate, anhydrous; Dibasic Calcium Phosphate;

无水磷酸氢二钙；

Studies on the extraction method of Thea Saponin by using anhydrous alcohol as the extracting agent

以无水乙醇为提取剂的茶皂素提取方法研究

Complexation Thermodynamics of Bis ( crown ether) s V. Intramolecular Sandwich Complexation of Light Lanthanoid Nitrates with Bis ( benzo-15-crown-5) in Anhydrous Acetonitrile

双冠醚配位作用的热力学性质Ⅴ.双（苯并-15-冠-5）与稀土（Ⅲ）硝酸盐在无水乙腈溶液中分子内夹心配位作用

Using DTB Crystallize Get Anhydrous Sodium Sulfate from the Industry Coarse Decahedrons Sodium Sulfate

用DTB型结晶器从工业芒硝中制取无水硫酸钠

The hydration characteristics, physical and mechanical properties and carbonation resistance are discussed with the use of anhydrous gypsum treated by high temperature.

应用经高温处理的无水石膏，探讨了熔融白水泥的水化特性、物理力学性能、抗碳化性能等。

An anhydrous sodium borate used in the manufacture of glass and various ceramics.

无水硼钠化合物,用于制造玻璃和各种陶瓷.

Cyclohexyl acetate was synthesized from acetic acid and cyclohexanol with anhydrous aluminum chloride as catalyst.

以无水三氯化铝为催化剂,以冰乙酸和环己醇为原料合成乙酸环己酯.

Some informations on foreign production of hydrazine hydrate and anhydrous hydrazine are provided.

提供了国外近期有关水合肼和无水肼生产信息.

Objective Using n-butanol with anhydrous alcohol asdose of buildup dehydration to make the fine pathology section.

目的:运用正丁醇与无水乙醇组织脱水制作优质的病理切片.

Anhydrous alcohol is widely used in many fields, such as chemistry industry and electronic industry.

无水乙醇还广泛应用于化工和电子工业等领域.

Liquefied anhydrous ammoniac industrial use. Test methods.

工业液化氨.试验方法

Chemical:-1 . Sodium Sulphate Anhydrous 2. Phosphoric Acid 3. Soda ash Dense and Light Chemicals-Additives.

采购产品化学的: -1. 钠硫酸盐无水的2. 含磷酸3. 密集苏打灰和轻的化学药品 - 添加剂.

Substitute anhydrous gypsum for dihydrate gypsum in Potland cement production to study the effect of anhydrous gypsum on performance of Potland cement.

研究了在硅酸盐水泥中使用硬石膏完全代替二水石膏对硅酸盐水泥性能的影响。