Syntheses of low - molecular weight polyacrylic acid sodium with water as solvent and APS - SHS as REDOX initiator are studied.
以水为溶剂，过硫酸铵-亚硫酸氢钠氧化还原引发体系，研究了低分子质量聚丙烯酸钠的合成。
The antioxidant 1010 has been prepared with mixture of methanol, ethanol, low carbon alcohol and distilled water as solvent in laboratory.
以甲醇、乙醇、低级醇和蒸馏水混合液为溶剂，实验室制备了抗氧剂1010。
This technology has the advantages of simple operation, high yield and low cost by using water as solvent which is poisonless and pollution free.
该工艺条件具有操作简单、产量高、无毒无污染、成本低等特点。
A new kind of grease was synthesized with octadecylamine, urea formaldehyde resin, bentonite and base oil under the condition of water as solvent.
以十八胺、脲醛树脂、膨润土、基础油为原料在水为溶剂条件下合成了一种新型润滑脂。
The resolution of DL p hydroxyphenylglycine into its D and L isomers was studied by using aromatic sulfonic acid as resolving agent and water as solvent.
以水为溶剂，取代芳磺酸为拆分剂，用诱导结晶法，经成盐、拆分、水解过程，将DL-对羟基苯甘氨酸拆分成D-对羟基苯甘氨酸。
A kind of emulsifier wax using for young plants transplant was prepared from paraffin wax, water as solvent for dilution, and triethanolamine as emulsifier.
以水作为稀释剂，三乙醇胺等几种表面活性剂为乳化剂，石蜡为原料，制备了幼苗移栽抗旱保活用乳化蜡。
The extraction from them can keep fresh vegetable because of containing phytoncide, and using ethanol and water as solvent, has not anything residues of harmful material in vegetable.
生姜大蒜富含营养素，可食无毒，含有植物杀菌素，其提取物对蔬菜均有保鲜作用，提取用溶剂乙醇和水不会造成任何有害物质残留。
The ways of new type of coating has been developed with double functions of removing rust and antirust. This kind of coating USES water as solvent with the effect of combination together.
研究一种以水为溶剂具有除锈防锈双重功能的底面合一涂料的制备方法。
The liquid contains no solvent, such as water, and can be charged electrically with no heat involved.
这种液体不含有任何溶剂，比如水，并且可以在没有热量参与的情况下充电。
As water is a good solvent, pure water is never met with in nature.
因为水是一种很好的溶剂，所以在自然界从未遇见过纯水。
Water chestnut drege carboxymethylated product (WCDCMCS) is prepared and studied by methanol solvent method, using water chestnut drege (C6H9O4OH) as raw material under alkaline condition.
研究了以荸荠渣（C6H9O4OH）为原料，采用甲醇溶剂法，在碱性条件下制备出荸荠渣羧甲基化产品（WCDCMCS）。
Complete water as the solvent, does not contain VOC; environmental friendly.
完全用水做溶剂，不含voc；环保无毒。
The reaction conditions such as dosages of catalyst, 1, 4 dioxane and water, solvent type, reaction temperature and time, adding method were also studied.
同时还研究了催化剂用量、1,4二氧六环的用量、溶剂种类、反应温度、反应时间、水量及加水方式等对该反应的影响。
As water is a universal solvent many different compounds are dissolved in it.
因为水有着很强的溶解力，很多不同的成分都溶于了海水中。
In this paper, water and alcohol as extracting solvent were used to extract gingko flavonoids.
本文研究了银杏黄酮的水—乙醇提取工艺，就不同的提取条件进行工艺优化。
Using water as extracting solvent, the extraction processing parameters of leaf protein from alfalfa were studied.
以水为提取溶剂，对热絮凝法提取苜蓿中叶蛋白的工艺参数进行优化。
Ganciclovir could be purified to more than 99.0%(HPLC) by a combination of acetone, acetic acid and water in 83.3% recovery as compared with 30% one when using water or methanol as solvent.
相比目前使用的水或甲醇溶剂纯化收率30％，发现以丙酮、乙酸、水的溶剂体系，精制更昔洛韦收率可显著提高到83.3％，高效液相色谱（HPLC）分析，产品纯度达到99.0％以上。
The yield of DPC can be obviously improved in the case of a mixture of water and ethanol used as the recrystallization solvent.
通过对重结晶溶剂的进一步研究，发现采用水-乙醇的混合溶剂作为重结晶溶剂时，可以明显提高DPC的收率。
The tannin were extracted by water as the solvent from the seeds hull of acer truncatum with ultrasonic treatment.
利用超声波以水为溶剂提取元宝枫种壳中单宁，对超声功率、超声作用时间、水量、提取次数等因素进行研究。
The results showed that the extracting effect was best in the dynamic warm maceration with water as a solvent.
结果表明，以水为溶剂，动态温浸法的浸提效果最好。
We choose methanol as solvent of specimen by comparing water, mixture of methanol and water and methanol.
通过对水，甲醇水溶液和甲醇三种样品溶剂的溶解效果比较，选择甲醇作为样品溶剂。
Tea polyphenol is the major physiological active component in tea, and it is generally manufactured by liquid-liquid extraction technology, using ethyl acetate as solvent from water extract of tea.
茶多酚是茶叶中主要生理活性物质，其制造方法一般采用液-液萃取工艺，以醋酸乙酯为溶剂，从茶汤中萃取出茶多酚。
Microwave assisted extraction methods have shown many advantages: simplicity, speed, low consumption of solvent , and possibility of using water as extraction solvent.
微波萃取方法具有方便、快速、试剂消耗低、回收率高和可用水作萃取溶剂的优点。
The flame-retardant finishing material is prepared by adding flame retardant, melamine resin, fiber protecting agent, nonionic penetrating agent and phosphoric acid into water used as a solvent.
本发明以水为溶剂，加入阻燃剂、三聚氰胺树脂、纤维保护剂、非离子渗透剂、磷酸制成阻燃整理材料。
If there is a likelihood of over-running or fingering, as in most present projects, water can be injected and a repeated solvent gas slug injection scheme applied.
像在目前的大多数工程中存在的那样，如果有水窜或指进现象发生，就可进行注水或反复有溶剂气体段塞进行处理。
Selecting water as the solvent and flaxseed as material, extraction experiments were conducted for analyzing the effects of operational parameters on the yield of flaxseed gum.
本文以水作浸提溶剂，以亚麻籽为原料进行亚麻胶浸提试验，研究了溶剂倍量、浸提温度、浸提时间对产胶率的影响，得出了产胶率随这些因素变化的规律。
With water as the solvent. Flame and explosion proof. Ease of transportation, safe to use, environmentally friendly and cost-saving.
本品以水为溶剂，防燃防爆，方便运输，使用安全，有益于环保，降低成本。
With water as the solvent. Flame and explosion proof. Ease of transportation, safe to use, environmentally friendly and cost-saving.
本品以水为溶剂，防燃防爆，方便运输，使用安全，有益于环保，降低成本。
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