用合成法合成

In this paper, adipate -intercalated LDHs were prepared by direct anion exchange method,acidic one step synthesis method and alkaline one step synthesis method,and were characterized by XRD and IR.

采用阴离子直接交换法、酸性和碱性条件下原位一步合成法分别制备了Mg2Al-己二酸根插层水滑石，用XRD、IR对合成的样品进行了组成和结构表征，DTA结合不同温度下焙烧样品的XRD和IR分析研究了样品的热分解过程。

The content of biuret by colorimetry and the total content of nitrogen in urea and biuret were mensurated.

摘 要：对固相法和液相法合成氰尿酸的方法进行比较，采用比色法测定缩二脲含量，用甲醛测定尿素、缩二脲的总氮量，由缩二脲的含量、总氮量推算出尿素的含量及产品的纯度，从而说明液相法的优势。

It is evident that LiCoO〓 and LiMn〓O〓 fine powder with high phase purity can be obtained by this method in～10 minutes.

本文首次用微波合成法制备了LiCoO〓和LiMn〓O〓，并对合成工艺、微波合成机理以及材料的结构和电化学性能进行了研究。

The general method and microwave radiation Veratrum aldehyde synthesis comparison Abstract: Objective To investigate the synthesis methods Veratrum aldehyde and to study the synthesis of microwave radiation of the advantages and disadvantages of this new approach, to provide guidance for the production of meaning.

化学合成毕业设计翻译求解急！！用普通方法和微波辐射法合成藜芦醛的比较摘要：目的考察合成藜芦醛的方法，并研究微波辐射合成这种新方法的优缺点，为生产提供指导意义。

In this paper, eleven benzothiazole derivatives such as N, N, N′, N′-tetra (2-benzothiazolyl) methyl-1, 2-ethanediamine,(2-benzothiazolyl) methyloxy benzene, 2,4-dichloro( 2-benzothiazolyl) methyloxy benzene, O-di(2-benzothiazolyl) methyloxybenzene, P-di(2-benzothiazolyl) methyloxy benzene, 3-(2-benzothiazolyl) pyridine were synthesized by means of conventional method or MWI technology and a single crystal of di (2-benzothiazolyl ) methyl ether was obtained.

本文分别用常规合成法和微波辐射法合成了N，N，N′， N′-四(2-苯并噻唑基)甲基-1，2-乙二胺、(2-苯并噻唑基)甲氧基苯、2，4-二氯-(2-苯并噻唑基)甲氧基苯、邻-二(2-苯并噻唑基)甲氧基苯、对-二(2-苯并噻唑基)甲氧基苯、3-(2-苯并噻唑基)吡啶等11 个苯并噻唑类化合物并得到二(2-苯并噻唑基)甲基醚单晶。

Synthesis and chracterization of high ordered Ladderlike Polysilsesquioxane Since Brown first reported the synthesis of ladderlike polyphenylsilsesquioxane via "thermal equilibration polymerization"in 1960, it is still a question whether ordered ladderlike polysilsesquioxane can be prepared or not all over the world till now.

第一部分高规整性梯型聚硅氧烷的合成1960 年Brown 首次报道了用&热平衡缩聚法&合成含梯形结构的聚苯基倍半硅氧烷，但该报道受到许多研究者的质疑。至今40 多年来对能否合成真正规整梯形结构的聚倍半硅氧烷一直存在着争议。

The cDNA squence of antibiotic, an antibacterial peptide, a process for preparing the said cDNA and a process for recombining the antibacterial peptide are disclosed. The present frequency of amino acid codens in Attacin A cDNA is analyzed. The high-frequency coden is introdued to its protein sequence to configure its cDNA sequence. The target gene is synthesized by chemical synthesis method or polymerase chain reaction.

本发明公开了葛佬素的cDNA序列，葛佬素cDNA的制备方法以及重组抗菌肽葛佬素的制备方法；通过对同种已知蛋白质Attacin A cDNA中氨基酸密码子的出现频度进行分析，采用出现频度高的密码子带入葛佬素蛋白质序列中进行葛佬素的cDNA序列构建，用化学合成法及聚合酶链式反应进行目的基因的合成，另外，采用基因重组法制备抗菌肽葛佬素，并测定了其活性。

The proliferation detected using MTT method, the DNA synthesis was evaluated by -thymidine incorporation in cultured cells.

实验用不同组大鼠主动脉制备离体培养平滑肌细胞，用MTT法分析细胞增殖，用-TdR掺入法分析细胞DNA合成。

Mesoporous tin oxide was synthesized by using cetyltrimethyl ammonium bromide or CTAB and Tween-20 as the template or hydrothermal process. Hollow tin dioxide micospheres were synthesized by using resorcinol-formaldehyde gel as the template or hydrothermal process. Thermogravimetric analysis, X-ray diffraction and electron microscopy have been used to characterize the materials.

本文分别采用十六烷基三甲基溴化铵模板法、CTAB和吐温20复合模板法及水热法来合成介孔氧化锡；用间苯二酚和甲醛凝胶模板法及水热法合成空心球氧化锡，并用热分析、X射线衍射、电镜等对以上材料作了形貌及结构表征。

After working backwards in this way from the complex to the already known, it is possible to start building, synthesising, the molecule.

他自己还运用逆合成分析法，在试管里合成了100种重要天然物质，在这之前人们认为天然物质是不可能用人工来合成的。

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