一步法

By adopting one step synthesizing method, the polymerization of directly aroma cyclizing of alkyne and nitrile is simple.

聚合反应通过炔腈直接芳环化，合成方法简单，采用一步法的合成方法，超支化聚合物显示出高亮度和高发光效率，具有耐高温，耐腐蚀，比重轻，强度高等特点，可望作为用于航天的高性能材料。

Basing on theoretical analysis of ammonification, drying and particle formationin fluidized bed, experiment was done in the superheated steam fluidized bed toprepare MAP by reaction and drying.

在理论分析的基础上，进行了过热蒸汽流化床反应干燥一步法制备MAP的试验探索工作。

In the process of preparation of boracic acids by using one step method ,the waste liquid and waste residue were generated;if they were discharged directly,it would destroy the environment seriously;so the recycle and utilization of the boracic acid waste liquor and residue were discussed.

一步法生产硼酸，产生的废液和废渣未经治理外排，会对环境造成极大的破坏。

Some materials were synthesized in this paper at first, 1-nitro-2-pentanol was synthesized with nitromathane and butyraldehyde and the yield was 70.2%; l-nitro-2-pentanol was reduced to 1 -amino-2- pentanol with iron and the yield was 65.2%.

分别用氢氧化钠、三乙胺为缚酸剂，2-氨基-1-丁醇、1-氨基-2-戊醇、环己酮和二氯乙酰氯为原料，采用一步法和分步法合成了两种潜在除草剂安全剂。

In this paper, the reactive theory of the preparation of sodium hypophosphite by one-stage process taking phosphor ,calcium oxide and sodium carbonate as raw material is introduced.

详细研究了以黄磷、氧化钙和碳酸钠为原料，采用一步法制备次磷酸钠的最佳条件和有关工艺。

One step method of applying silane crosslinked PE technology to aluminium and plastics laminated pipes manufacturing process combines thin aluminium sheet high speed welding and polymer reaction extrusion together,setting up new pipe processing technology.

一步法硅烷交联聚乙烯管材加工技术应用于铝塑复合管成型加工，是将薄壁金属管高速焊接和聚合物反应挤出成型这两个跨专业的新技术有机地结合为一体，从而建立起一种加工新型管材的新兴工业技术。

A new inorganic polymer Polymeric Titanic Sulfate is synthesized in this paper, using onestep acide dissolution method, and make sure the proportion of reactants, the temperature ofreaction, the times of reaction in preparation of Polymeric Titanic Sulfate.

本文采用了酸溶一步法制备了一种新的无机聚合物—聚合硫酸钛[Ti_n(SO_4)_

Anevaluation was done on the waste heat recovery of one-step phosphorous acid production by BEP, in which the change of energy utilization, economic results and environment effects were considered.

针对这一问题，带有余热回收装置的两步 [1]法热法磷酸生产系统开发成功，并有望取代一步法。

Methyl isobutyl ketone is a good origanic slovent and the advanced process for producing MIBK is one-step synthesis by gas-phase condensation and hydrogenation of acetone. In this process, the key technology is to develop the multi-fuctional catalyst, which has both the ability of hydrogenateon and condensation, as well as suitable acid-base sites.

甲基异丁基酮是一种优良的有机溶剂，先进的生产方法是丙酮气相缩合加氢一步法，该工艺关键的技术是开发高效的双功能催化剂，即催化剂同时具有缩合、加氢以及适宜的酸、碱性质。

Methods: One-step trizol had used to get the total RNA of the four animal brain, then PEGS000 to purify the small RNA from the total RNA, after the ligation ofpoly on the 3\' and the adaptor on the 5\', the oligo primer will be used to reverse translation the small RNA, and then used the specific primers to amplification the small RNA sequences. After the gel purition recovery, the small RNA will be ligated to the T-vector, and be transformed to the TOP 10 E. coli, at last, we picked up the masc. clones for sequencing.

通过Trizol一步法提取四种动物脑中的总RNA，接着用PEG纯化其中的小分子RNA，再经过poly连尾反应在小RNA的3'端连接上一段poly，然后在5'端连上adaptor，用Oligoprimer将连接好的小RNA进行反转录，用根据adaptor和Oligoprimer设计的引物来扩增小RNA，扩增后的小RNA进行胶回收后连接到T载体上，转化TOP10大肠杆菌后挑取阳性克隆进行测序，得到的序列再经过生物信息学的分析后确定是否为miRNA。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失