The paper reviews the researches recently done into Nano-materials. It mainly introduces the physical and chemical preparation process of Nano-materials, and its exploitation and application.
综述了纳米材料的研究情况。介绍了目前纳米材料的物理和化学制备方法、纳米材料的开发与应用前景。
Surface preparation of metal before chemical process. Removal of a layer of the base metal.
在化学处理之前的表面准备，移除一层金属基材。
As with all chemical process used in the preparation of cotton, the relationship between temperature, length of treatment and concentration of chemical is important.
在准备棉花的所有化学加工过程中，温度，时处理的时间长度和化学品的浓度之间的关系非常重要。
Chemical and physical properties of fluorine and its safety, storage and shipment, preparation process are introduced, some valuable derivatives of fluorine and their applications are also discussed.
介绍了氟气的物理化学性质、安全与储运、制备工艺，并就一些有价值的氟气下游产品的性质和用途进行了讨论。
The technological process and basic physical indexes of water soluble polyester sizing agent in experiment preparation are introduced. Its chemical structure characteristics are certified.
介绍了试验室制备水溶性聚酯浆料的工艺过程及其基本物理指标，并验证了其化学结构特征。
The preparation process of active carbon from areca dregs by adopting chemical carbonization-activation method had been studied.
对以槟榔渣为原料、采用一步化学炭活化法制备活性炭的工艺进行了研究。
The typical process of chemical measurement has been illustrated, and the general steps of the preparation of the CRMs have been reviewed in this paper.
本文对典型的化学测量过程进行了阐明，对有证参考物质的一般研制步骤进行了考察。
A novel process combining the self-assembly technique with electron beam lithography and selective chemical deposition was proposed for patterned film preparation.
本文提出了一种新颖的结合自组装技术和电子束直写曝光以及选择性化学沉积制备图案化薄膜方法。
The batch process has been widely applied in many industries such as the fine chemical industry, the catalyst preparation and the dye intermediates preparation, etc.
间歇反应过程在精细化工、催化剂制备、染料中间体等行业应用广泛。
The invention discloses a modified face brick binding agent and a process for preparation, belonging to the technical field of chemical architectural materials.
本发明公开一种改性面砖粘结剂及其制备方法，属于化学建筑材料技术领域。
The present invention relates to farm chemical and especially plant pesticide clathrate and its preparation process.
本发明属于农药领域，特别是植物性杀虫剂的环糊精及其衍生物的包合物及其制备方法。
In-process material means any material fabricated, compounded, blended, or derived by chemical reaction that is produced for, and used in, the preparation of the drug product.
中间产品(In -processmaterial)是指所有经制备、复合、混合或由化学反应得到的用于药品生产或制备的物料。
The preparation process of N-methyl-N'-nitro guanidine belongs to the field of farm chemical preparing technology.
一种N-甲基N’-硝基胍的合成方法，属于农药中间体技术领域。
The preparation process of N-methyl-N'-nitro guanidine belongs to the field of farm chemical preparing technology.
一种N-甲基N’-硝基胍的合成方法，属于农药中间体技术领域。
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