研究与开发

Principle of relay protection is the heart of the performance of protective relaying.

保护原理是保护系统研究与开发的核心和基础。

At the same time, the investigation and implement of this system plays an very important role on vindicating military battle effectiveness and assuring the victory of battle.

同时，该系统的研究与开发在提高部队的战斗力，保证作战胜利等各个方面，具有非常重要的地位和作用。

This thesis elaborates on the research and development ofthe production management information system of marine carriage engineeringsurpervision company of Guangzhou port by empl...

本文叙述的是利用计算机网络技术、软件工程规范和通信保密技术对广州港水运工程监理公司监理信息系统的研究与开发。

Researching and developing new generation relay protection testing equipments based on advanced technology such as computer automation testing etc has become an inevitable current in relay protection testing field.

研究与开发基于计算机自动测试等先进技术的新一代微机保护测试装置是继电保护测试领域必然的趋势。

The Shanghai Roddex Bath Hardware company with 30 years prfessional manufacturing experience,has been devoting continuously to research and development on the sanitary fitting, It has formed the product design,mold design,mold design,mold manufacture, brass gravity casting, brass forging,zinc alloy die casting,machining,polishing and buffing,chrome palting,surface treatment,the assembling and so on the specialized complete set production system,becomes one of the most outstanding faucets manufactures in china.

更多 上海劳达斯洁具有限公司积三十年水龙头专业制造之经验，一直致力于卫生洁具，火龙头的研究与开发，已形成了产品设计，模具设计，模具制造，铜重力铸造，铜挤压，锌合金压铸，机械加工、抛光，电镀、表面处理、装配等专业成套生产体系，集科、工、贸为一体的经济联合体，是目前国内最具规模的专业生产水龙头厂家之一。

The Shanghai Roddex Bath Hardware company with 30 years prfessional manufacturing experience,has been devoting continuously to research and development on the sanitary fitting, It has formed the product design,mold design,mold design,mold manufacture, brass gravity casting, brass forging,zinc alloy die casting,machining,polishing and buffing,chrome palting,surface treatment,the assembling and so on the specialized complete set production system,becomes one of the most outstanding faucets manufactures in china.

上海劳达斯洁具有限公司积三十年水龙头专业制造之经验，一直致力于卫生洁具，火龙头的研究与开发，已形成了产品设计，模具设计，模具制造，铜重力铸造，铜挤压，锌合金压铸，机械加工、抛光，电镀、表面处理、装配等专业成套生产体系，集科、工、贸为一体的经济联合体，是目前国内最具规模的专业生产水龙头厂家之一。

Later on, we prepare to open some short and even and quick items of exhibition, such as the enzyine preparation , examine a patient to try and examine a patient the live material of box, living creature to take out to lift, and make use of the gene chip to examine a patient the research and the development of infect the far-gone item.

随后，我们准备开展一些短平快（时间短、投入少、见效快）的项目，如酶制剂、诊断试剂、诊断盒、生物活性物质抽提，以及利用基因芯片诊断传染病等项目的研究与开发。

The advantages of catalytic synthesis of oxalate ester in gaseous phase by carbon monoxide are summarized. The five important characterization of our patent technology invented for the use of industrial raw material and the potential good economic value of the process are presented. It indicates that study and development of catalytic synthesis of oxalate ester .oxalic acid as well as glycols by natural gas in gaseous phase have a great advantage for full utilization of natural gas....

概述了&CO气相催化合成草酸酯&技术的先进性，介绍用工业性原料为主要内容的专利技术：&气相催化合成草酸酯连续工艺&的五个主要特点及其潜在的经济效益，并指出，用天然气经合成气进行气相催化合成草酸酯和草酸、乙二醇的研究与开发，可使天然气得到充分的利用，具有很好的经济效益，是天然气化工综合利用的一条有效途经，也是当代C1化学的重要发展方向。

By means of study and development of black carbon production new technology with wet granulation method, coke oven gas substitutes oil as fuel, realizing coke oven gas comprehensive utilization, lering black carbon production cost, reducing environmental pollution, increasing black carbon product quality, increasing varieties of black carbon, both economic and social effects are remarkable.

摘 要：通过对湿法造粒生产炭黑新技术的研究与开发，用焦炉煤气代替油作为燃料，实现了焦炉煤气综合利用，降低了炭黑生产成本，减轻了环境污染，提高了炭黑产品质量，增加了炭黑品种，经济和社会效益显著。

Industry and Trade of Jiangsu Cher professional limited liability company is committed to research and development of kitchen supplies, sales of modern enterprise and take the lead in the successful operation of the market without fumes health pot pan Wang, China's leaders withoutBrand, China Well-known brands.

江苏雪儿工贸有限责任公司专业致力于厨房用品的研究与开发、销售的现代化企业，率先成功市场运作锅王无油烟健康炒锅，成为中国无烟锅领袖品牌，中国驰名品牌。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。