硫酸化

Study on continuous production of silica by hypergravity sulfuric acid precipitation method was conducted.

对超重力硫酸沉淀法生产白炭黑进行了连续化实验研究，通过改变硫酸的质量分数、旋转床转子的转速和硅酸钠的流量，探索出了这些工艺条件对白炭黑粉体性能的影响。

Low molecular weight mannuronic acid, guluronic acid and κ carrageenan were prepared from algin and carrageenan by the acid hydrolysis method, and their weight average molecular weights and the distribution widths of molecular weight were determined by high performance gel permeation chromatography respectively.

本文以褐藻胶和κ-卡拉胶为原料通过酸水解分别获得了低聚的甘露糖醛酸、古罗糖醛酸和低聚κ-卡拉胶，并采用 HPGPC法测定了这 3种低聚糖的重均分子量。在此基础上再经硫酸酯化和成盐修饰制备了各自的硫酸酯碱式铝盐。

The copperas, a raw material, was oxidized by the oxidant under certain temperature, and then the sulfuric acid and the catalyst were added to the mixture. After the hydrolisis polymerization curing, the polymeric ferric sulfate was prepared.

采用钛白生产中的副产品绿矾(FeSO47H2O)为原料，在一定的温度下经氧化剂氧化，再加入硫酸和一定量的催化剂经水解聚合、静置熟化制备固体聚合硫酸铁。

And the mensuration of the sulfated content in lycium barbarum Polysaccharides sulfates was improved.

采用微波辅助的方法对枸杞多糖的硫酸酯化进行研究，改进了枸杞多糖硫酸酯硫酸根含量的测定方法。

Also known as sulfated or sulfonated Castor Oil, a/k/a sulfated Ricinus Communis L.

也称为硫酸或磺化蓖麻油，一/的K /一硫酸蓖麻属

MethodsCaS/PLA/GM implant tablets were made from composite of citrated calcium sulfate and polylactic acid mixed with gentamycin at a certain ratio. According to ISO 10993-1 standards, following biological experiments were performed to evaluate the biocompatibility and safety of the CaS/PLA/GM delivery system, as well as haemolysis, cytotoxicity, pyrogenic, and intramuscular implanting tests.

本实验以已研制的生物可降解柠檬酸化硫酸钙[2]作为抗生素载体，研制新型抗生素释放系统-硫酸钙/聚乳酸/庆大霉素释放系统(calcium sulfate/polylactic acid/genta-mycin CaS/PLA/GM)，对其生物相容性进行评价。

Through two methods(high-speed comminution and ball-milling) to micronize the cottonseed meal, then taking the micronizing time, moisture content and additive ferrous sulfate proportion as factors, micronized cottonseed meals granularity and content of Free Gossypol as indexes to research the influences of factors on indexes, respectively.

本文选择两种微细化方式对未脱毒棉粕进行微细化，每一种方式分别以微细化时间、棉粕含水率和硫酸亚铁添加比例为试验因素考察他们对以微细化棉粕粒度和游离棉酚含量的影响，探索游离棉酚在棉粕微细化过程中的机械力化学效应规律，旨在为游离棉酚的机械脱毒提供理论指导。

And it is expected to replace the expensive organic polymer coagulants which were often suspected of being dangerous to human.The preparation technique of HSPSAS was introduced in this paper. The parameters of the process were discussed by the method of orthogonal design, such as molar ratio of Al/Si, the pH of polysilicate, the aging time of polysilicate, the pH of PSAS, the aging time of PSAS, intake of PSAS, and so on, and then an optical technology was obtained.

本文介绍了聚硅酸硫酸铝絮凝剂的制备工艺，并利用正交设计的方法，对其中Al/Si摩尔比、硅酸熟化pH值、聚硅酸熟化时间、药品熟化pH、药品熟化时间、投药量等制备参数进行了分析和讨论，得到优化的制备条件，确定了更为合理的制备工艺。

The present invention uses industrial polystyrene as raw material, under the protection of inert gas uses complex of acidylating agent and concentrated sulfuric acid as sulfonating agent to make sulfonation, and utilizes dector-blade casting process or other membrane-forming process to prepare polystyrene sulfoacid membrane with low sulfonation degree.

本发明涉及电化学的燃料电池技术，更具体是指低温直接甲醇燃料电池用聚苯乙烯磺酸膜及其制备方法。本发明是以工业级的聚苯乙烯为原料，在惰性气体保护下以酰化剂与浓硫酸的络合物作磺化剂，进行磺化，并通过流延法或者其它成膜方法制备低磺化度的聚苯乙烯磺酸膜。

The fatty acid in tussore oil was saponificated and modified to methyl esters by different means .

研究了脂肪油的衍生化、三氟化硼、硫酸3种不同方法对脂肪油的皂化、甲酯化效果，并用GC/MS法对柞蚕中脂肪酸的成分进行了鉴定和分析。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。