查询词典 sulfuric acid

In the impact feeling8.0N/m water cannot lay aside surpasses for 120 hours Cannot put inis loaded with the aqua fortis and in the strong sulfuric acid liquiddips After cannot achieve 10 minutes dangerous behaviors the chemicalreaction the detonation Cleanly washes using the clear water Lattercoolly does The product design has may transfer the size the livegrommet Finger when operation cuts through a revolution is thebedding bag is tight When does not operate So long as rotates thefinger about then may the automatic pine open the snare The safeconvenience is simple Pure natural not any to cancer chemistry dyeand chemistry pigment In the watery solution achieved the certaintime may change color the putrefication environmental protectionmaterial quality May pull outside the pulling force scope Thestandard general string YOYO ball string, the long ball string, theshaky ball string, slides the ball string.

绝不能放入装有浓硝酸和浓硫酸的液体中浸洗。更不能达到10分钟之危险行为的化学反应后爆轰。清洁应用清水洗涤。后凉干。产品设计有可以调动大小的活绳圈。手指在操作时穿进一转即被套紧。如不操作时。只要把手指左右转动一下便可以自动松开圈套。安全方便简单。纯天然没有任何至癌的化学染料和化学色素。在水溶液中达到一定时间可变色腐化的环保材质。在拉力范围外可拉断。的标准通用绳子。YOYO球绳子，悠悠球绳子，摇摇球绳子，溜溜球绳子。yo -yo手工绳。有标准拉力绳子和较强拉力绳子和特强拉力绳子。 1A或2A或3A或4A或5A等多种规格。练习用或比赛用或观赏拍摄用。记住。为什么比赛时一定要选用白色的绳子。

In the impact feeling8.0N/m water cannot lay aside surpasses for 120 hours Cannot put inis loaded with the aqua fortis and in the strong sulfuric acid liquiddips After cannot achieve 10 minutes dangerous behaviors the chemicalreaction the detonation Cleanly washes using the clear water Lattercoolly does The product design has may transfer the size the livegrommet Finger when operation cuts through a revolution is thebedding bag is tight When does not operate So long as rotates thefinger about then may the automatic pine open the snare The safeconvenience is simple Pure natural not any to cancer chemistry dyeand chemistry pigment In the watery solution achieved the certaintime may change color the putrefication environmental protectionmaterial quality May pull outside the pulling force scope Thestandard general string YOYO ball string, the long ball string, theshaky ball string, slides the ball string.

绝不能放入装有浓硝酸和浓硫酸的液体中浸洗。更不能达到10分钟之危险行为的化学反应后爆轰。清洁应用清水洗涤。后凉干。产品设计有可以调动大小的活绳圈。手指在操作时穿进一转即被套紧。如不操作时。只要把手指左右转动一下便可以自动松开圈套。安全方便简单。纯天然没有任何至癌的化学染料和化学色素。在水溶液中达到一定时间可变色腐化的环保材质。在拉力范围外可拉断。的标准通用绳子。YOYO球绳子，悠悠球绳子，摇摇球绳子，溜溜球绳子。yo-yo手工绳。有标准拉力绳子和较强拉力绳子和特强拉力绳子。

Room temperature ionic liquids are the hot points of the current research fields of chemistry, chemical engineering and functional materials. Since 1998, the preparation and application of ionic liquids as environmentally benign reaction media and functional material have been carried out in Lanzhou Institute of Chemical Physics. The detailed research work, including the design and preparation of novel ionic liquids, ionic liquid as catalyst and reaction medium in sulfuric acid free Beckmann rearrangement,...

离子液体介质与材料研究是当前化学化工、功能材料的热点领域之一。1998年底以来，我们以发展离子液体清洁反应介质和软功能材料为研究内容，以实现新离子液体的设计与合成，离子液体中无硫酸Beckmann重排反应、非光气异氰酸酯合成、二氧化碳吸收与活化、反应-升华分离一体化，微孔硅胶限制纳米尺度离子液体材料的设计合成和应用及离子液体-电化学技术集成等为目标开展了一系列研究工作并取得良好进展。

N-Benzylacryl amide was synthesized using acrylonitrile and benzyl alcohol as raw materials and sulfuric acid as catalyst.

以丙烯腈和苯甲醇为原料，浓硫酸作催化剂，合成了N-苄基丙烯酰胺。

As sulfuric acid , prepared from blowing furnace flue gas in the copper sulfide ore smelting, is easy to get reddish, blackish and greenish, reasons are found through analysis and detection, flame color reaction and hanging experiment in combination with the production process.

针对利用硫化铜矿冶炼吹炼炉烟气制得的硫酸易发红、发黑和发绿的情况，结合生产工艺，利用分析检测、焰色反应和挂片实验等手段，明确了原因。

A series of alkyl diphenyl ether were synthesized with low cost raw materials,diphenyl ether and aliphatic alcohol,catalyzed by concentrated sulfuric acid,and followed by sulfonation to produce MADS.On the basis of analysis and characterization,structure of the products was identified,effect factors of the preparation reactions were investigated and the optimum reaction conditions were obtained.2.The surface chemical properties of C_8,C_9,C_(10)-MADS were determined.

通过对产物的表征分析，对其结构进行了鉴定，并对合成反应的影响因素进行了分析讨论，优化了合成条件。2、测定了所合成的系列烷基二苯醚双磺酸钠C_8-MADS，C_9-MADS，C_(16-MADS的表面化学性能，结果表明：合成样品在质量分数高达10%的无机酸、无机碱及无机盐溶液中表面化学性能稳定，同时显示出优良的乳化性能和在硬水条件下较好的去污洗涤性能。3。

This design is yearly produces 100,000 tons chromic anhydrides the synthesis crafts, uses in the sulfuric acid method the single pot process to carry on the production.

本设计是年产10万吨铬酸酐的合成工艺，采用硫酸法中的单罐法进行生产。

The paper details the process flow of BROWDER process sulfuric-acid product ion, and characteristics of the gas heat exchanger between the waste-heat boiler and the convenor.

Browder公司，在硫酸工艺和设备设计方面具有丰富的经验，在世界硫酸设计行业中占有一席之地。

The problem of fiber demister blocked by sublimed sulfur and oil smoke appears in the production of sulfuric acid from sulfur-burning easily.

在硫磺制酸生产中，易出现升华硫和油烟堵塞纤维除雾器。

With the expansion of business scale, ocean abundance of sulfur-based compound fertilizer company has built a plant, sulfuric acid plant, urea-based fertilizer plants, ammonia plants and other projects.

随着业务规模，丰富的海洋中硫的扩张复合肥公司建立了工厂，硫酸厂，尿素的化肥厂，合成氨厂等项目。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失