以下为句子列表：
英文: A white needle crystal was isolated and purified on systematic extraction of the alkaloid by silica gel column and gradient sublimation from Oxytropis glabra.
中文: 摘要采用生物堿系统提取、矽胶柱层析分离及梯度升华技术从小花棘豆干草粉中分离出一种白色针状结晶。
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英文: Based on the theories of continuous flow of porous media, rheology of silica gel solution and adsorption and migration of silica gel in porous media, a two-phase multicomponent mathematical model for oil displacement is developed with a numerical simulato
中文: 在连续性介质渗流理论、硅胶溶液流变性理论、硅胶在孔隙介质内吸附和运移理论基础上，建立了一个两相多组分硅胶驱油数学模型，并开发了一个数值模拟器，定量模拟了硅胶质量浓度、注入体积和注入方式对孔、渗参数和开发效果的影响。
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英文: The methods such as distn. and silica gel column chromatography were used to sep. the various components of the thickener, and the IR spectrometry, GC-MS combination and ESI-MS were used to certify the structures of the different components.
中文: 用蒸馏和矽胶柱色谱等方法对增稠剂中的各组分进行分离，并用红外光谱法、气质联用和电喷雾质谱法对各组分进行结构鉴定。
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英文: The new type embedded multi-bladders silica gel door sealer is more durable than the ordinary foam rubber door sealer, user won't need to replace the sealer in two or three months like the ordinary sealer.
中文: 采用新型多气囊嵌入式硅胶门封设计，摒弃了司空见惯的海棉条门封，省去了两、三个月更换门封条的烦恼。
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英文: The product is made of imported FDA standard iatrical silica gel complex material. It is innocuous, odourless, without side effects, and being felt soft and non-eyewinker in use.
中文: 采用进口FDA级医用硅胶复合材料制成，无毒、无味、无副作用。3、止鼾器两侧加设导气槽，使呼吸更畅顺，并利用空气动力学原理便止鼾器贴紧鼻中隔。
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