查询词典 synthesize

Radical ring expansion is a new strategy to synthesize the medium-sized and even large rings, nowadays, it is one of the important research fields of organic chemistry.

研究利用自由基引发的定向扩环和成环反应则是当今有机合成的前沿领域之一。

The industrial process to synthesize 7-ADCA mainly involves a chemical ring expansion of penicillin G to phenylacetyl-7-ADCA, and followed an enzymatic side chain cleavage of phenylacetyl-7-ADCA.

目前工业上生产7-ADCA主要是利用化学法将青霉素G扩环为头孢素G，接著再利用酵素法移去侧链制得7-ADCA。

It is a complex system engineering and a synthesize integration of machine configuration and materials, machine tool design and manufacture, main spindle system, feed system, wheel and its truing system, coolant and its supplying system, high performance monitor and control system, high speed grinding mechanism and process, et al.

高速磨削和高效深磨是一个复杂的系统工程，是在机床结构及材料、机床设计制造、主轴系统、进给系统、砂轮及修整系统、磨削液及供给系统、高性能监控系统、高速磨削机理及工艺等相关技术的基础上综合集成。

In this research, waste activated alumina and basic magnesium carbonate were used as raw materials to synthesize magnesium aluminate spinel by double step firing process.

本研究利用废活性氧化铝与碱式碳酸镁为主要原料，二步煅烧法制备镁铝尖晶石材料。

Surface active agent is applied widely in oil and gas engineer on the basis of literatures. For chemical treating agents, a most significant direction in studying and development is to synthesize every kind of existed surface active agents and to research modifiedly in order to enlarge its application in oil and gas engineer.

表面活性剂广泛应用于石油天然气工程，对表面活性剂进行合成、改性研究以扩大其应用范围是石油天然气工程化学处理剂研究发展的一个重要方向。

For easy to adopt the gas engineer proceeds to monitors, examine, analyze, design, develop synthesize the terrace software about drainage gas recovery .

为方便采气工程师进行监测、诊断、分析、设计，研制开发了排水采气综合平台软件。

Method］To synthesize the chelate iron using glycin and Fe2+ and measure the constructor of Ferrous Glycine Sulfate by IR spectrum and atomic absorption spectroscopy.

方法］用甘氨酸和Fe2+合成螯合铁，同时用红外光谱和原子吸收光谱对甘氨酸亚铁结构进行测定；并用大鼠贫血模型，观察甘氨酸亚铁补血作用。

tumour patient is in disease development process, cancer cell is duplicate show quickly with condition of out of control, synthesize the need of cellular film to satisfy cancer cell, bring about LDL metabolization to increase, make a cell many from haemal LDL cholesterol is absorbed inside grain, cause serum cholesterol to reduce.

结论肿瘤患者在疾病发展过程中，癌细胞复制呈加速和失控状态，为了满足癌细胞合成细胞膜的需要，导致LDL代谢增加，使细胞大量从血液LDL颗粒内摄取胆固醇，致使血清胆固醇降低。

This, the first half of a two-part final column, will synthesize my most important advice about career strategies.

在最后一篇专栏的前半部分，将综合关于事业策略方面我最为重要的建议。

Like most worms, helminths synthesize chitin for their pharynx.

如同大多数蠕虫，蛔虫为自身咽部合成甲壳素。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。