And in the gas additive not produce chemical reaction.
与气体中的添加剂完全不发生化学反应。
Our company is specialized in trading chemical reagent , food additive , pharmaceutical adjuvant , standard substance and laboratory consumables , totally over 4000 types.
我公司专业经营化学试剂、食品添加剂、医药辅料，标准品及实验室消耗品，品种达4000余种，行销全国三十多个省市、自治区。
The property, function and application of Aloe, as new daily chemical additive, are studied in the article.
芦荟作为新的日化产品添加剂，本文从性能作用和应用上作了初探。
An additive for matt pure tin electroplating was developed by electrochemical and chemical methods.
运用电化学和化学方法开发了一种亚光纯锡电镀添加剂。
A chemical additive that reduces the cement slurry viscosity to improve fluid-flow characteristics.
降低水泥浆粘度以改善流体流动特性的化学添加剂。
A chemical additive used to control the loss of fluid to the formation through filtration.
控制流体经过滤进入地层的损失所用的化学添加剂。
A kind of composite additive used for copper plating of chemical replacement on iron surface was investigated.
研究了一种用于钢铁基体化学置换镀铜的专用复合添加剂。
A chemical additive or inert material used to decrease the density or increase the yield of a cement slurry.
减小水泥浆密度或增加水泥浆产率所用的化学添加剂或惰性材料。
Ethylene sulfite (es) is synthesized by chemical method and used as an additive in lithium-ion cell electrolyte.
采用化学反应合成亚硫酸乙烯酯(es)并将其用作锂离子电池电解液添加剂。
A chemical additive for stimulation treatments that is soluble in oil, water and acid-based treatment fluids.
在增产处理时可溶于油基、水基和酸基处理液的化学添加剂。
Concrete chemical additive has been increasingly and widely used in the construction with concrete. As a resuly, it has been regarded as the fifth constituent of concrete.
混凝土化学外加剂在混凝土施工中已得到越来越广泛的应用，已被称为混凝土的第五组分。
Applicable scope: Additive, feed, chemical, pharmaceutical, etc, and large, medium-sized and small manufacturers.
适用范围：添加剂、饲料、化工、医药等行业，大、中、小型生产厂家。
Pure biological extraction, do not contain easy-damage fruit surface material and chemical additive, safe to the leaf surface of crop and the fruit surface.
纯生物提取，不含易破坏果面物质和化学添加剂，对作物叶面和果面安全。
The effect of additive CTAB on chemical oxidation rates and the effect of externally added H_2O_2 on selectivity of cathodic electrosynthesis have been investigated.
还研究了添加CTAB对化学氧化速度的影响，以及外加H_2O_2对阴极电合成选择性的影响。
Jizhou City Huayang Chemical co., Ltd. Produces amino acid food additive which is also called bulk drug. and marketing vitamin, sweetener and other series of products concurrently.
冀州市华阳化工有限责任公司主要生产氨基酸类食品添加暨原料药、兼营维生素、甜味剂系列产品。
A chemical additive used in acid treatments to protect iron and steel components in the wellbore and treating equipment from the corrosive treating fluid.
在酸处理中所使用的化学添加剂。它用来保护井筒和处理设备中的铁和钢部件免受腐蚀性处理液的损害。
A chemical additive mixed with cement slurry to reduce the time required for the set cement to develop sufficient compressive strength to enable drilling operations to continue.
与水泥浆混合的一种化学添加剂。它用来减少凝固的水泥产生足够的抗压强度所需的时间，使钻井作业能继续进行。
The invention belongs to the field of chemical synthesis as well as the field of medicine and feed medicine additive.
属于化学合成领域，也属于药物和饲料药物添加剂领域。
In addition, they are used as refractory materials, chemical additive precision founding and anti-sliding materials.
此外在耐火材料，化工添加剂，精密铸造及防滑材料等方面也有广泛应用。
The paper introduces chemical modification of starch-synthesis and application of a kind of multifunctional cationic type paper making additive.
本文介绍了淀粉化学改性——一种多功能的阳离子型造纸助剂的合成与应用。
The orthogonal experiment of the biocontrol agents and some additive showed that thecontrol efficiency of biocontrol agents developed by our lab is beyond or close the chemical pesticide Metalaxyl.
生防放线菌制剂与各种添加剂的组合正交试验表明：本课题组研制的生防菌剂对辣椒疫病的防效已超过或接近化学农药甲霜灵。
Is not contain any preservatives or chemical additive of totally environment-protecting anticorrosive anti-insect wood, and has good anticorrosion anti-insect function.
是不含任何防腐剂或化学添加剂的完全环保的防腐防虫木材，具有较好的防腐防虫功能。
A chemical additive used in stimulation treatments to prevent the migration or swelling of clay particles in reaction to water-base fluid.
在增产处理中所用的一种化学添加剂。它用来防止粘土颗粒在与水基液反应时发生运移或膨胀。
The chemical agent ethanol, which is used as an oxygenated additive to diesel fuel, improves combustion characteristics of diesel engines.
乙醇作为一种含氧的添加剂可以改善柴油机的燃烧。
By dosing external additive during the steel smelting in the revolving furnace, the chemical content of the slag can be made similar to that of silicate cement.
在转炉炼钢的过程中添加少量外加剂，调整冶炼渣的化学成分，使其接近普通硅酸盐水泥熟料的化学成分。
Maintains freshness processing to have to use the national stipulation the edible chemical additive, ceases the use white to increase, the blanching industry chemical.
保鲜处理必须使用国家规定的食用添加剂，杜绝使用增白、漂白的工业化学品。
Maintains freshness processing to have to use the national stipulation the edible chemical additive, ceases the use white to increase, the blanching industry chemical.
保鲜处理必须使用国家规定的食用添加剂，杜绝使用增白、漂白的工业化学品。
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