但更重要的是这样的问题：谁应该为牙膏中发现的防冻化学材料承担法律责任。
The larger question is just who is legally responsible when a chemical used in antifreeze ends up in a tube of toothpaste.
“取走二氧化碳后，我们会取代材料中一般的石油成分，”Shepard说道，“这可比其他任何石油化学材料的成本低得多。”
"If we take CO2, we replace half the petroleum component in the material," Shepard says. "It’s a much lower cost than any petrochemical materials."
苏姆加以特是苏维埃组要的工业中心，有40多个工厂在生产工农业化学材料，每年排放7万到12万吨的有毒放射物。
Sumgayit was a major Soviet industrial center housing more than 40 factories producing industrial and agricultural chemicals, which released 70,000 to 120,000 tons of harmful emissions annually.
他们往石油化学材料中，加入二氧化碳以及一种由康奈尔大学GeofferyCoates教授研制的新型催化剂来制造聚合物。
Novomer takes a petrochemical material, adds carbon dioxide and an innovative catalyst developed by Cornell University professor Geoffrey Coates to grow a polymer.
与井筒化学材料相容。
即便是制作这些袋子时也没有使用任何化学材料。
Even the process for making these bags is completely chemical free.
一种专门的化学材料，可以提升或促进固化反应或降低烘烤温度。
A special chemical that promotes or accelerates the curing reaction or reduces stoving temperature.
我们不会用一点化学材料，就算是用在袋子上的颜料也是天然有机的。
We don't use any chemicals at all. Even the paint used for printing on the bags is natural and organic.
我们制造的布中掺入了一种特殊的防雨化学材料。
The cloth we made was impregnated with a special chemical which protected it against rain.
本发明属于有机化学材料合成领域，公开了一种改性双酚a环氧丙烯酸酯及其制备方法。
The invention belongs to the field of synthesizing organic chemical materials and discloses modified bisphenol a epoxy acrylate and a preparation method thereof.
作为从事印制电路化学材料科研、开发、生产的专业化企业，我们不仅要帮助电路板生产厂商提升产品质量。
As engaged in printed circuit chemical materials research, development and production of specialized enterprises, we must not only help the circuit board manufacturers improve product quality.
例如，为了利于海洋运输，在集装箱表皮常常被涂上很多有害化学材料，例如铬酸盐、含磷涂料或铅涂料。
For instance, the coatings used to make the containers durable for ocean transport also happen to contain a number of harmful chemicals, such as chromate, phosphorous, and lead-based paints.
土体化学加固是利用化学材料发生反应生成凝胶并胶结土粒的特性来达到加固土体的目的。
The characteristics of gel can be used to consolidate soil, which is named as soil chemical consolidation.
前言：离子液体独特的全离子结构无疑会导致良好的导电性，成为有潜力的绿色电化学材料。
Completely ionic composition is a significant feature of ionic liquids that surely possess excellent conductivity, and is being considered as potential "green" electrochemical materials.
主要内容包括生物化学基础、天然生物材料、生物医学材料、生物化学材料、仿生材料学简介等。
The course of biomaterials mainly includes biochemistry foundation, inartificial biomaterials, biomedical materials, biochemical materials, survey for biomimetic material science.
金属化合物广泛用于催化、电镀、医药、精细化工、感光材料、敏感元件、化学材料等。
Metal compounds are widely used in catalysis, electroplating, pharmaceutical, fine chemicals, photosensitive materials, sensitive components, chemical materials.
研制设计了经高分子化学材料处理过的不沾油滤网；
Researched and manufactured the oil-free screen with high polymer.
同时还综述了4A沸石作为洗涤剂助剂、离子交换材料、吸附脱附材料、催化剂载体及主客体化学材料等的应用；
Applications of 4A zeolite as detergent builder, ion-exchange materials, adsorption-desorption materials, catalyst carrier et al were summarized.
同时还综述了4A沸石作为洗涤剂助剂、离子交换材料、吸附脱附材料、催化剂载体及主客体化学材料等的应用；
Applications of 4A zeolite as detergent builder, ion-exchange materials, adsorption-desorption materials, catalyst carrier et al were summarized.
应用推荐