网络释义专业释义
... naturally-occurring substance天然物质 natural-occurring substance天然物质 nature laboratory自然实验室 ...
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(4) 天然物质（Substances which Occurred in Nature）：指未经加工，或只用 人力、重力、机械作用、溶解于水、浮力、加热移除水份，或用任何方法
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摘要:中文名称：天然物质英文名称：crude [阅读全文] 编辑:0次| 浏览:131次 更多详情，尽在 互动百科 更多详情，尽在 谷歌搜索 轴承百科 版权所有 ©2011 - 2016 联系QQ
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另一方面从蜂胶中可分离出数种直接抑制、杀灭癌细胞的天然物质（PRCA），使得蜂胶能够抑制致癌物的代谢活性，调节细胞周期，促进肿瘤坏死因子生成，对肿瘤、息肉有很好的预防和治疗效果。
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双语例句原声例句
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牛磺酸，瓜拉那和肌糖都是天然物质。
Ingredients like taurine, guarana, and inositol are natural substances.
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选用合成化妆品—天然物质制成的天然化妆品是有效地。
Opt for synthetic cosmetics - natural cosmetics made with natural products are as effective.
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直到18世纪，大多数人所用的颜料都是由天然物质制成的。
Most people use previously, to the 18th century, pigments that were produced from earth.
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An agonist is a substance that mimics the action of a natural ligand, and I show you a couple of examples of agonists here.
激动剂是能够模拟天然配体分子的物质,在这里我给出了一些激动剂作为例子
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This would an example of a substance that inhibits the action of a natural ligand and they can inhibit in a variety of ways.
这类物质能够以多种方式,抑制天然配体的作用
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That DNA gets replicated to make many more copies of the viral DNA using host mechanisms, that is, often using the DNA polymerase which is naturally present in the host cell for its own replication.
病毒DNA进行复制,通常是利用在宿主细胞自身的有关物质,利用宿主细胞中天然存在的,DNA聚合酶来大量复制病毒DNA
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