化学工程

Compare the effect of different chemical methods for preparation of acellular nerve scaffold and to provide an effective nerve scaffold for tissue engineering.

目的 比较不同化学方法制备去细胞神经支架的效果，提供有效的组织工程神经支架。

The lab is focused on the new material science and engineering like diamond film to develop new and high-tech products, sucha as diamond filmed knives and aiguilles.

研究重点是：采用直流弧光放电等离子体化学气相沉积法技术与设备，开展金刚石薄膜等新材料科学与工程研究，开发金刚石涂膜刀具、钻具与设备等高新技术产品。

Research activities also include synthesis and modification of biological-relevant intermediates, cofactors and their corresponding analogs, for elucidation of enzymatic mechanisms.

具体内容包括生物催化体系关键中间体和辅助因子及其类似物的化学合成和修饰；生物催化体系的重建；酶催化反应的机理和生物催化剂工程等。

B have a degree in mechanical, chemical, marine or gas engineering with at least 5 years relevant working experience; or

持有认可机械、化学、轮机或气体工程学位，并具有最少5 年相关工作经验；或

Production there is connection of submersible pump cables, submersible pump cables, leaf guide pulley, insulation tape, electrical protective device, the electrical protection device, such as electric current logger unit fittings; compound of oil and gas separator, oil wells sealed to fine-tune anti-theft devices, oil wells series of sacrificial anode cathodic protection, and solid paraffin Jiangnian device, pump, wellhead equipment, such as downhole tools; XLPE cables, PVC insulated non-sheathed cables, PVC insulated sheathed cable, rubber cable sets Products such as wires; vibration extraction technology, oil wells, chemical plugging damaged casing technology, bionic ball-drive technology to improve the transfer agent, crude oil demulsification and sewage treatment technology and other technical services oil wells; ZJ series trailer rig and the whole device ; oil special vehicle category; workover solid pressure testing special types of vehicles; transport engineering a total of eight special vehicles such as more than 100 kinds of products, leave clearance to major oil fields.

公司生产有潜油泵引接电缆、潜油泵电缆、叶导轮、绝缘胶带、电机保护器、电机保护仪、电流记录仪等电泵机组配件；复合式油气分离器、油井防盗密封微调器、油水井系列牺牲阳极阴极保护器、固体降粘防蜡器、抽油泵、井口装置等井下工具；交联聚乙烯电缆、聚氯乙烯绝缘无护套电缆电线、聚氯乙烯绝缘护套电线、橡套电缆等电线产品；振动采油技术、油水井套管破损化学堵漏技术、仿生球型改进剂调驱技术、原油破乳及污水处理技术等油水井技术服务项目；ZJ系列钻机及其整拖装置；采油类特车；修井测试固压类特车；运输工程类特车等共八大类100多种产品，销假往国内各大油田。

Directed at improving the efficiency of treating waste water in Biological Aerated Filter, the paper introduces the study of the effect of air flow rate, Hydration Retention Time, and organic loading of input water on the removal rate of Chemical Oxygen Demand and NH3-N using activated carbon, zeolite, architecture keramics and engineering keramics as stuffings.

为提高曝气生物滤池处理废水的效率，以沸石、活性炭、建筑陶粒、工程陶粒作为填料测试气体流速、水力停留时间、进水有机负荷对生物滤池的化学需氧量、NH3—N的去除效果及出水浊度的影响。

In this paper, the studied results showed that the key of plate wastewater treatment by chemical method was proper value of pH, and the electrolysis method was applied to treat mixed wastewater of chromium and other heavy metals.

通过研究得出，利用化学方法处理电镀废水的关键是控制好pH值；另一点是采用微电解方法处理含铬和其它重金属混合废水，在实际工程运作中有良好的效果。

Selenium; Se Grignard Reagent; Organic selenides; symmetry selenides; unsymmetry selenides; synthesis

工程科技I，化学，有机化学硒；硒格氏试剂；有机硒化合物；对称硒醚；不对称硒醚；合成

Keywords heavy metal ion wastewater,phosphorus wastewater,iron oxide coated sand,adsorption,magnetic seed flocculation-high gradient magnetic separation,solution chemistry

Article From 中南大学；矿物加工工程博士论文 2004年度重金属离子废水；含磷废水；涂铁石英砂；吸附；磁种絮凝-高梯度磁分离；溶液化学

In this paper, different methods of preparation about magnetorheological fluids are introduced, including mechanical crushing, wet chemical depositing, anion exchange, pyrolyzing; some main applications of magnet...

介绍了制备磁性流体的几种不同的方法：机械粉碎法、湿式化学共沉法、阴离子交换树脂法和热分解法；介绍了磁流变技术在密封、阻尼器、抛光装置等工程上的一些主要应用，并展望了磁流变技术在建筑、航天等领域的应用前景。

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％。