| 单词 | 介质 |
| 释义 | 〔cytokine〕Any of several regulatory proteins, such as the interleukins and lymphokines, that are released by cells of the immune system and act as intercellular mediators in the generation of an immune response.细胞因子：任一种由免疫系统细胞释放的调节蛋白质，如细胞白介素和淋巴因子，在产生免疫应答时起细胞间介质的作用〔prion〕A microscopic protein particle similar to a virus but lacking nucleic acid, thought to be the infectious agent responsible for scrapie and certain other degenerative diseases of the nervous system.朊病毒（感染性蛋白质）：极微小的蛋白质微粒，类似于病毒，但不含核酸，被认为是绵羊痒病和其他的一些神经系统变性疾病的传染介质〔unleavened〕Made without yeast or any other leavening agent:未经发酵的：未使用酵母或其它能使物质发酵的介质而制做的：〔prism〕A medium that misrepresents whatever is seen through it.折光体：扭曲通过它看到的东西的中介质〔rarefaction〕A decrease in density and pressure in a medium, such as air, caused by the passage of a sound wave.稀薄化：介质中密度和压力的下降，例如在空气中，由于声波的穿越而发生〔emergent〕Rising above a surrounding medium, especially a fluid.升起的，浮起的：从周围的介质中升起，尤指液体〔density〕The degree of optical opacity of a medium or material, as of a photographic negative.不透光度：一定介质或材料（例如照相感光纸）的不透光程度〔diffuser〕A medium that scatters light, used in photography to soften shadows.漫散屏，柔光屏：散射光线的介质，用在摄影中使背景柔和〔agarose〕A polysaccharide obtained from agar that is the most widely used medium for gel electrophoresis procedures.琼脂糖：从琼脂中提取的多糖，是凝胶电泳过程中用途最普遍的介质〔polariscope〕An instrument for ascertaining, measuring, or exhibiting the properties of polarized light or for studying the interactions of polarized light with optically transparent media.偏光仪：一种仪器，用来确定、测量或显示偏振光的性质，或用来研究偏振光与透光介质间的相互作用〔disperse〕To distribute (particles) evenly throughout a medium.使粒子分散：（粒子）均匀分散在介质中〔conduction〕The transmission or conveying of something through a medium or passage, especially the transmission of electric charge or heat through a conducting medium without perceptible motion of the medium itself.传导：通过介质或通道的传导或传播，尤指电荷或热量的这种穿过介质时介质没有明显活动的传导〔wave〕A disturbance traveling through a medium by which energy is transferred from one particle of the medium to another without causing any permanent displacement of the medium itself.波，振动：穿过介质的振动，通过振动使能量从介质的一个粒子传送到另一个粒子而并不导致介质本身的永久变位〔medium〕An intervening substance through which something else is transmitted or carried on.介质，触媒：通过它能传递或继续某种事物的中介物质〔exotoxin〕A poisonous substance secreted by a microorganism and released into the medium in which it grows.外毒素：由微生物分泌并排入其生长的介质中的有毒物质〔boneblack〕A black pigment containing about 10 percent charcoal, made by roasting bones in an airtight container and used in polishes, as a filtering medium, and in decolorizing sugar. Also called bone charcoal 骨炭：碳的含量为10%的黑色颜料，通过在一气密的容器中炙烤骨头而得，用于擦拭如过滤介质，也可用于糖的褪色工艺 也作 bone charcoal〔AIDS〕A severe immunological disorder caused by the retrovirus HIV, resulting in a defect in cell-mediated immune response that is manifested by increased susceptibility to opportunistic infections and to certain rare cancers, especially Kaposi's sarcoma. It is transmitted primarily by venereal routes or exposure to contaminated blood or blood products.爱滋病：一种由逆转录酶病毒引起的严重免疫系统混乱，导致细胞介质免疫功能的缺失，表现为容易受感染和受某些罕见癌症的侵袭，尤其是卡波济氏肿瘤。主要经过性交渠道或接触受感染的血液或血液制品而传播〔field〕A defined area of a storage medium, such as a set of bit locations or a set of adjacent columns on a punch card, used to record a type of information consistently.字段，区段：存储器介质上规定的区域，如穿孔卡片上一组位的位置或一组相邻的列，用来持续记录一类信息〔drag〕The retarding force exerted on a moving body by a fluid medium such as air or water.阻力：流体介质，如水或空气对移动物体施加的阻力〔chromatography〕Any of various techniques for the separation of complex mixtures that rely on the differential affinities of substances for a gas or liquid mobile medium and for a stationary adsorbing medium through which they pass, such as paper, gelatin, or magnesia.色谱法：分离复杂混合物的多种技术，依靠物质对于气体或液体运动介质和静止的吸附介质（如纸、凝胶或氧化镁）的不同亲和力达到分离〔catalyst〕the yeast of revolution. 引发革命的介质 |
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