Technology optimization of cinnamic acid synthesized by knoevenagal reaction using organic alkali catalyst;
比较以硫酸盐和阳离子交换树脂分别为催化剂合成肉桂酸酯。
The acute biological toxicity of residual chlorine and five organic chlorides against normal backflow activated sludge in a CHLOR-ALKALI factory was examined.
取某氯碱厂正常回流的活性污泥对余氯及五种有机氯化物进行急性生物毒性试验。
Black liquor is the waste liquor from alkali papermaking, but it is an excellent mixture of latent base, organic base and buffer base.
黑液是碱法造纸产生的废液，但它却是一种出色的潜在碱、有机碱和缓冲碱的混合物。
Properties White powders, inodorous, atoxic, non-pollution, non-transference, light resistant, weak acid or alkali resistant, stable storage, insoluble in water and other organic solvents.
性质白色粉末，无味无毒、无污染、无迁移、耐光照、耐弱酸、耐弱碱，贮存稳定，不溶于水及其它有机溶剂。
The design of this subject: silicon coupling was used as raw material, the reaction type is hydrolytic condensation, acid, alkali and organic tin was used as catalyst.
本课题设计以硅烷偶联剂为原料，反应类型为水解缩合，选用酸、碱，有机锡为催化剂。
Application:Excellent in handling petroleum based products, hydrocardon solvents, oxidizing chemicals, most strong acids and alkali as well as other organic fluid etc.
应用：适合输送石油提炼后的下衔产品、烃类溶剂、腐蚀性最强的酸和碱，以及其他有机流体等。
The influence of application of organic and nitrogen fertilizer on the content of alkali hydrolysable N in fertilities soil was studied.
对设施土壤中长期施有机肥与氮肥对土壤中碱解氮含量的影响进行了研究。
We study the trend of organic amine alkali by synthesizing all kinds of factors.
综合各种因素，具体分析有机胺碱，给出电子对趋势的大小。
Retention behavior of alkali metals, ammonium ion and alkyl amines on a sulfonic cation-exchange resin column with organic acid and inorganic acid as eluent was studied.
系统研究了碱金属、铵离子和烷基胺在磺酸型阳离子交换树脂柱上以有机酸和无机酸为淋洗液的保留行为。
It has good chemical stability, resistance to acid, alkali, most organic solution and water erosion.
具有良好的化学稳定性，可以抵抗大部份酸、碱、有机溶液以及热水的侵蚀。
Industrial application: soluble in water, aqueous alkali, ammonia and cellulose solution, colorless and insoluble in organic solution, mineral oil amorphous substance.
工业用途：溶于水、碱水溶液、氨和纤维素溶液，不溶于有机溶液、矿物油的无色无定型物。
Soluble in strong acid or alkali and decomposition, insoluble in water and organic solvents.
溶于强酸或强碱并分解，不溶于水和有机溶剂。
The synthesis technologies of alkali metal alkoxides(phenoxides) and their applications in liquid polybutadiene rubber, styrene-butadiene rubber and organic synthesis were reviewed with 35 references.
综述了碱金属醇、 酚盐几种不同的合成方法及其在液体聚丁二烯橡胶、丁苯橡胶和有机合成等领域的应用。
A new process for recovering valuable organic acids from waste alkali liquor in cyclohexane oxidation is introduced.
介绍了一种从环己烷氧化废碱液中回收高价值有机酸的新方法。
And it could improve the contents of organic matter, alkali - hydrolyzable nitrogen, available phosphorus and potassium in soil.
土壤中的有机质、碱解氮、速效磷、速效钾的含量均比对照增加。
Antistatic, it is fire-retardant to resist, ageing-resistant, able to bear the corrosion of chemistry(sour alkali and organic solvent);
具有抗静电，抗阻燃，耐老化，耐化学（酸、碱和有机溶剂）的腐蚀；
Finally these reacted waste acid and waste alkali are both treated synthetically into the lime and organic fertilizer.
最后将酸碱废液综合处理得到熟石灰和有机肥等副产品。
The films remain properties of both cardanol-formaldehyde resin and epoxy resin , which are acid-resisting , alkali-resisting and organic solvent-tolerant, and also have good service time.
该聚合物与环氧树脂形成的涂膜兼具酚醛树脂型和环氧树脂型涂膜的优异性能，耐酸、碱和有机溶剂，而且使用期较长。
Different concentrations of oxygen-bearing organic matter show different influence on the absorbance of alkali metals with different regularities.
实验结果表明，不同浓度的含氧有机物对碱金属族各元素的吸光度影响幅度是不同的，其影响规律也有所不同。
Widely utilized. Excellent resisting capacity to nitric acid, water solution of most, organic and inorganic acids, phosphoric acid, alkali and coal gas.
此牌号应用很广，它具有良好的在硝酸、大部分有机酸和无机酸水溶液、磷酸、碱及煤气等介质中的耐腐蚀性。
The traditional chemical painting removers including alkali-based, acid-based and organic solvent types were briefly discussed respectively.
简述了传统化学脱漆剂，包括热碱溶液脱漆剂，酸性脱漆剂和有机溶剂脱漆剂。
Results: The deposition rate and crystallinity of HA treated by the heat-organic layers treatment were better than those by alkali-heat treatment.
结果：热有机膜处理后的镁合金，其羟基磷灰石的沉积速度和结晶度都优于碱热法。
This resin is a kind of perfect adhesive which has high adhesive strength and good thermal resistance, can resist corrosion from all organic solvents and can resist acid and alkali.
该树脂是一种粘结强度高、耐热性好、能抵抗所有有机溶剂的腐蚀、能耐酸碱的理想粘结剂。
TH-261 is an alkali detergent designed for removal of oil, organic substances and bio-mucosa.
TH- 261反渗透清洗剂是专为清除油、有机物以及生物黏膜而研制的专用清洗剂。
TH-261 is an alkali detergent designed for removal of oil, organic substances and bio-mucosa.
TH- 261反渗透清洗剂是专为清除油、有机物以及生物黏膜而研制的专用清洗剂。
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