Such substances generally have much lower potential for atmospheric damage than manufactured chemical refrigerants.
相比人造化学制冷剂，这种物质不大可能对大气造成破坏。
FDA publishes in the Federal Register the first list of substances generally recognized as safe (GRAS). The list contains nearly 200 substances.
FDA在《联邦公报》中发表《通常被认为是安全的物质》(GRAS)的第一批清单。该清单收载近200种物质。
Generally, aromatic amine belongs to toxic substances and it can cause cancer, malformation, nephritis and other diseases.
芳香胺属于有毒物质，能引起癌症、畸形、肾炎等各种疾病。
Generally speaking, plants are able to manufacture their own food, by using substances in the environment through the process which is known as photosynthesis.
一般说来，植物可以自己生成它们的食物。它们可以通过光合作用，用环境中的物质来实现这一点。
Herbs and spices often possess significant antimicrobial substances; generally fungi are More sensitive than most bacteria.
中草药和调味料通常有重要的抗菌物质，通常真菌比多数细菌更敏感。
The substances to which vitamins are converted as a result of irradiation or such thermal treatments are generally unknown.
维生素经辐照或这种热处理后究竟变成了一些什么物质通常还是末知的。
Water used on site generally has high amounts of organic substances from the grapes that make it unsuitable for direct discharge into the storm water system.
通常在位置上用的水有高数量来自使直接的解除它不适合进入暴风雨水系的葡萄的有机物质。
The residual titration procedure is applicable generally and avoids the difficulties that may be encountered in the direct titration of substances from which the bound water is released slowly.
残留滴定程序通常是可行的，并避免了可能在直接滴定该物质过程中遇到的困难，这些物质中被束缚水分释放得很缓慢。
Generally speaking, no new substances forms in a physical change.
总的来说，物理变化不产生新的物质。
Methods generally involve introducing one or more substances into one or more discs using a catheter device.
方法通常包括利用导管装置，将一种或多种物质引入一个或多个盘中。
Controlled substances, obscene articles, and toxic substances are generally prohibited entry.
管制物质、淫秽物品和有毒物质一般禁止入境。
Controlled substances, obscene articles, and toxic substances are generally prohibited entry.
管制物质、淫秽物品和有毒物质一般禁止入境。
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