转化的

In the process of preparation of support, ammonium carbonate was found to be a better precipitant than ammonium hydroxide.

在此基础上研究了密偶催化剂的单一反应，得出各个组分对HC转化性能的影响规律，并且初步探索了NO抑制烷烃转化的机理。

With the competent germinating epicotyl of cotton as receptor in exogenous gene transformation, NPTII (neomycin phosphotransferase Ⅱ) gene carrying selection marker and GFP reporter gene were mediated into cotton by agrobacterium-mediated transformation. The pre-culture time, bacterial-immersing time, co-culture time and antibiotics concn., etc of using agrobacterium-mediated transformation in the transformation of competent germinating epicotyl of cotton were studied.

方法］以棉花感受态萌动的上胚轴作为外源基因转化的受体，用农杆菌介导法将携带有筛选标记NPTII基因及GFP报告基因导入棉花，研究了农杆菌介导法用于棉花感受态萌动上胚轴转化的预培养时间，浸菌时间，共培养时间及抗生素处理浓度等。

In this paper ,the factors that affect plant genetic transformation were discussed ,and the genetic transformation system of Populus simoniiX P.

探讨了影响植物遗传转化的若干因素，初步建立了小黑杨花粉植株的遗传转化体系。

Different genetypes, the concentrations of acetosyringone, preculture or not, bacterial concentrations, the time of co-cultivation and the concentrations of kanamycin had some effect on transformation frequency.

遗传转化的若干因素，建立了苜蓿快速有效的遗传转化体系，获得了转BADH基因植株。

As one of the advanced techniques for energy conversion, the thermochemical gasification of biomass to hydrogen production has the advantages in environment protection and endless raw materials.

作为能源转化的先进技术之一，利用热化学气化方法将生物质能洁净转化为氢能有着巨大的应用技术潜力和市场前景。

The present study was carried out to investigate the role of TGF β1 and p53 on carcinogen-transformed rat tracheal epithelial cells.

本文研究转化生长因子β1（TGF-β1）和P53对致癌物转化的大鼠气管上皮细胞的影响。

It can be concluded that the ion dopants have large influences on the phase transition temperature and particle size.

归纳分析了离子掺杂对二氧化钛由锐钛矿型向金红石型转化的抑制作用，得出不同掺杂离子对TiO2相转化温度和粒径具有较大影响的结论。

The intermediate P-FeOOH was prepared by forced hydrolyses from ferric chloride aqueous solution, it is inevitable that P-FeOOH be formed when the initial pH with the existence of Cl.

通过沸腾回流—水热反应两步法分离中间产物，研究了不同晶相间的转化过程以及影响转化的因素。

The effects of H2/CO2 molar ratio, discharge voltage, and total flow rate on the conversion of CO2 and the energy efficiency were investigated.

分别考察了H2/CO2摩尔比、激发电压、原料气总流量对CO2转化的影响，分析了CO2转化的能量效率。

Factors affecting transformation of shoot apex mediated by Agrobacterium tumefacien were also optimized.

对农杆菌介导高粱茎尖转化的因子进行了优化，获得较高转化频率的条件为：茎尖预培养时间3D，在OD600值为0.5农杆菌菌液中感染10MIN，共培养3D。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐