查询词典 retarding agent

In China, the only agent to have been delegated as the exclusive agent in Southern China.

公司是台湾微端科技股份有限公司在中国大陆的唯一代理商，以获授权为华南地区的独家代理。

This is because a discoloring agent has been added to the cloth cover , and when the temperature changes within a certain range , the high polymer structure in the discoloring agent changes and thus causes the change of color .

这是由于布面中加入了变色剂，当温度在一定范围内变化时，变色剂中的高分子结构发生改变，从而引起颜色的变化。

GB2760-86》issued by Public Health Ministry,phytic acid is suitable to bepreservative agent used tor aquatic products,e.g,prawn freezing preservative agent is 0.05%-0.1% phytic acid solution.In Japan,0.1-0.5% phytic acid is added to shellfish cans to prevent discolouring.Under 100℃F,adding 0.3%Phytic acid can preventfishbody discolouring in two minutes.

按卫生部颁发《食品添加剂卫生标准GB276J0——86增补品种》中规定植酸适用于水产品对虾保鲜参考用量以0.05%-0.1%的水溶液作为冷冻保鲜液，日本在贝类罐头中用0.1-0.5%植酸，以防黑变，鱼类用0.3%植酸，在100℃F处理，二分钟可防止鱼体变色。

This dissertation uses the double-encrypting method based on the public key technology to protect the agent from being eavesdropped, providing a feasible measure to detect counterfeit codes in the host to ensure the security of the agent in the process of transmission.

本文利用公钥加密手段，采用双重加密方法阻止恶意用户对主体信息的窃取，提供一种识别假冒代码的手段保障主体在传输过程中的安全。

The working mechanism of air entraining agent in concrete and factors influencing the air content of concrete were described,and the influence of air entraining agent on newly mixed concrete properties and on durability,compressive strength and flexural-tensile strength etc.

阐述了引气剂在混凝土中的作用机理以及影响混凝土含气量的因素，介绍了引气剂对新拌混凝土性能和硬化混凝土的耐久性、抗压强度、抗弯拉强度等性能的影响。

Its main elements are effective water reducing agent,retarder and air entraining agent.

配制HPC掺用外加剂是最重要的途径，其主要成份是高效减水剂、缓凝剂、引气剂，合理掺用可以取得最佳技术效果，过量掺用或使用不当则会产生负面影响。

Air-entraining agents of different composition were used in ordinary concrete to determine their effects on air content and bleeding capacity of concrete, therefore suitability of the new air-entraining agent to concrete could be proved, and then strength and frost resistance of optimum air entraining agent were tested.

通过将不同组成的引气剂应用于普通混凝土中，测定其对混凝土含气量和泌水率的影响，从而证明本研究所研制的新型引气剂在混凝土中的适用性，再针对最佳引气剂进行强度和抗冻性的测试。

A test was done on this fresh self-compacting UHTCC containing air entraining agent of appropriate content,it showed that the effect of proper air entraining agent on materials workability was minimal.

向该新拌合物中掺入适量的引气剂，再进行上述工作性能试验后发现，适量引气剂的掺入对该材料工作性能影响很小。

The experimental study shows that adding of water-re-ducing agent,cellulose and air entraining agent can improve mortar performance from different aspects.If these agents are used separate-ly,their functions are limited even negative.

试验研究表明，掺加适量的减水剂、纤维素和引气剂均能从不同方面对砂浆性能起到一定的改善作用，但单独使用时作用有限，甚至会产生负作用。

Especially discusses the enwrapping of magnetic nanoparticles and the surface active agent, the conditions of enwrapping (such as pH, temperature, surface active agent and stir speed) that have different effects on magnetic nanoparticles.

讨论了表面活性剂对磁性颗粒的包裹以及pH值、温度、表面活性剂的用量和搅拌速度等包裹条件对磁性颗粒的影响。

However it can often be frust ating for a child when people are unable to pronounce their name.

但它往往可以令人沮丧的一个孩子当人们无法断言他们的名字。

All these compounds were obtained from this genus for the first time. Compound, 4-cumylphenol, was a new nature product.

所有化合物均为首次从本属海藻中分离得到，其中4cumylphenol为新天然产物。