查询词典 synthesis method

In this thesis, we researched the process of transformation of carbon from graphite to diamond under HPHT in detail, proved the correctness of the mechanism based on TFD-C theory. This research settled the groundwork of improving method and technology of diamond synthesis.

本文从理论和实验上系统地研究了高温高压下石墨向金刚石转变的具体过程，验证了TFD-C理论提出的金刚石合成机理，为进一步改进金刚石的合成工艺和方法打下了一定的基础。

The experiment results show that the lowest synthesis pressure changed with the different proportion of added boron. At the same time, from the color change of synthesized diamond, we can see that it is an effective method to improve the content of boron in diamond crystal.

实验结果表明，随硼添加比例的不同，合成金刚石的最低压力点也不同；同时，通过不同添加比例的硼合成出金刚石的颜色，可得知该方法对提高金刚石内硼含量的有效性。

Therefore, it is very important to study on high nitrogen content diamond synthesis in HPHT condition.In this study, we use a cubic anvil HPHT apparatus. Using catalysts, graphite and addition of NaN3, large green single crystal diamond with high nitrogen concentration is firstly synthesized by temperature gradient method.

本文使用国产六面项压机，首次用不同触媒(FeNiMnCo、FeNiCo)+C+不同比例的添加剂NaN3合成出具有完整晶型的优质深绿色高氮含量宝石级金刚石单晶，研究了NaN3对宝石级金刚石中氮含量及生长行为的影响。

A new convenient synthesis of a series of 1-aryl-2-propanones using aromatic amines as precursors, via diazo reaction and improved Meerwein arylation reaction under mild conditions, was achieved. In addition, 1-[3,5-bisphenyl]-2-propanone is a new compound among the synthesized compounds. This approach is an efficient synthetic method for the aryl-propanones with the different substituting groups.

以芳香胺为原料，经重氮化和改进的Meerwein芳基取代反应，合成了一系列的1-芳基－2-丙酮，其中1-（3，5-二三氟甲基苯基）2-丙酮是一个新化合物改进后的方法简化了合成步骤，提高了收率，可方便地用于在苯环上具有不同取代基的芳基丙酮的合成。

The adhesion properties of kevlar are studied with H pull method and bending fatigue rest of Kevlar reinforced rubber.The influences of synthesis,RFL ingredient,reaction time,and dipping process of the Kevlar fiber on static and dynamic adhesion properties the fiber reinforced rubber of are investigated.

采用H抽出法和橡胶弯曲疲劳试验法，考察了RF树脂的合成、RFL组成以及芳纶纤维浸渍工艺，研究了RFL组成及芳纶纤维浸渍工艺对纤维与橡胶的静态和动态粘合性能的影响。

Methods A routine culture system of melanocytes was established, cells were irradiated with different dosages of UVB(30 and 90mJ/cm2 respectively), and then incubated with different concentrations of TMP for 72h. MTT method, NaOH assay and DOPA oxidization reaction were employed to determine the cell proliferation, melanin synthesis, tyrosinase activity of melanocytes.

常规分离培养正常人黑素细胞，分别用30mJ/cm2、90mJ/cm2的UVB照射细胞，然后加入100μg/ml、300μg/ml、600μg/ml的TMP孵育至72h，采用噻唑蓝法测定细胞增殖情况；多巴氧化法测定酪氨酸酶活性；NaOH裂解法测定黑素含量。

After sum-up strategic cost management and performance theory, systemic expatiate the relationship of value chain and strategic cost management along with performance evalution, conformity inside value chain,opponent value chain and domain value chain, draw the outline of whole value matrix,which point out the value chain is the base of strategic cost management, and put forward strategic cost management performance evaluation step is identify value activity,make certain value chain, pick-up the evaluation index on the value chain, exercise synthesis evaluation method to appraisement.

本文首先对国内外战略成本管理和绩效评价理论进行理论综述，在总结战略成本管理和绩效评价代表理论的基础上，系统的阐述价值链与战略成本管理及其绩效评价的关系，整合内部价值链、竞争对手价值链和产业价值链，勾勒出整合的价值链系统图，并在此基础上指出价值链是战略成本管理绩效评价的基础，并进一步提出价值链的界定、根据价值链提取评价指标、采用综合评价方法进行评价的战略成本管理绩效评价的步骤。

A novel method for synthesis of-4-cyano-3-hydroxybutyric acid ethyl ester (1), a key intermediate of statins, was reported.

研究了一条新的路线用于他汀类药物的重要中间体-4-氰基-3-羟基丁酸乙酯的合成。

Sewage Department, specializing in power plants, steel mills, chemical plants and other large-scale sewage treatment works to provide design and equipment, the company patented product "industrial life of recovery and recycling use of waste water treatment equipment","mud-money machine","water or aeration device,""rotary aeration sewage treatment plant","anaerobic / aerobic integrated ultra-deep-seated biological nitrogen removal from wastewater aeration method and device","Industrial Water Treatment Algicide use sterilization and synthesis methods,"" ultrasound device removal "and so on.

英语翻译恳求各位高手翻译成中文，污水处理部，专业从事电厂、钢厂、化工厂等大型污水处理工程设计和配套设备提供，公司专利产品&将工业生活废水回收循环利用的水处理设备&、&清泥机&、&跌水曝气装置&、&转盘式污水处理曝气装置&、&厌氧／好氧一体化超深层曝气废水生物脱氮方法及其装置&、&工业水处理用杀菌灭藻剂及其合成方法&、&超声波除藻装置&等。

To date, our method represents the shortest synthesis of these two alkaloids.

在论文的第二部分，我们将发展的方法应用到喹啉及异喹啉体系中，取得了一些好的结果。

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