防蚀

With the help of modern computational fluid dynamics tecnology, this thesis carries on a numerical simulation of annulus multiphase flow of the conventional auger drill stabilizer; it points out the deficiency of the annulus gas in cutting-carrying and lifting; and attempts to develop a drill stabilizer that are suitable for the gas drilling.

本文试图借助现代计算流体力学技术，对常规螺旋钻柱稳定器环空多相流动规律进行数值模拟研究，指出在环空气体携岩举升方面存在的不足，开发一套适合于气体钻井的新型钻柱稳定器，提出全井段环空流场改善方法，实现气体钻井防斜打快，减少冲蚀，提高井眼净化能力的目的。

The deflection-proof and abrasion-proof sucker rod coupling is processed with some special technology, coated a layer of abrasion-proof, wear-proof and lessening friction coat.

双向保护抽油杆防偏磨接箍是在普通接箍的基础上涂敷一层耐磨蚀减磨涂层，经过特殊表面处理工艺加工而成。

Product description the deflection-proof and abrasion-proof sucker rod coupling is processed with some special technology, coated a layer of abrasion-proof, wear-proof and lessening friction coat.

双向保护抽油杆防偏磨接箍是在普通接箍的基础上涂敷一层耐磨蚀减磨涂层，经过特殊表面处理工艺加工而成。

In the reverse-tainter-gate-tunnel design of a high-rise shiplock water-filling system, it is of crucial importance to prevent flow cavitation and gate vibration.

在本部分，结合对近几年研究成果的总结，分析了水流空化成因与流态振荡机理，为探讨合理的减蚀防振措施提供理论依据。

The main research activities of the Department cover the general layout of hydro projects, hydraulics of spillways for high dams, energy dissipation and river bed or bank erosions, flow induced vibration, cavitation and air entrainment, river ice, hydraulic transient flow simulation and control on hydropower project, pumped storage project and long distance water transfer project, optimization of thermal/nuclear power plant and other industrial cooling systems, investigation of the fundamental theory of stratified/mixing flow and its applications, studies on fluid mechanics and thermodynamics of large scale cooling towers, hydraulic field observations for existing projects, development of instrumentation for physical model tests and field observations.

研究领域主要为水利水电枢纽总体布置、高坝泄洪建筑物水力学、消能防冲、流激振动、空化与空蚀、崩岸水力学与岸坡保护、河冰问题、水电站引水系统中的水力瞬变及调压井水力学研究、跨流域调水工程中的规划及水力控制数值仿真、冷却水的工程水力热力问题研究、环境水力学、火电厂水工模型试验与数值模拟研究、火电厂取排水局部泥沙冲淤试验、模型和原体监测仪器的研制和开发、以及过水现场原体监测。

My company is bell south Nanchang Chemical Industry Ltd. unit (formerly JMC Chemical Industry Co., Ltd.) Our main products are: 1, vehicle vibration damping pad and insulation film series, mainly used in cars, driving from alternate space hot, noise, the role of shock absorber; 2, metal coating pre-treatment agent series, including series in addition to oil, rust agent, phosphating agent; 3, automobile radiator coolant advanced series, for the liquid cooling type internal combustion engine cooling system, from antifreeze, anti-boil, corrosion resistance, the usefulness of scale; 4, the company has other products: paint remover, anti-rust oil, cutting coolant, PVC sealant, aluminum chemical conversion agent, paint mist coagulant , waste water treatment agent. 5, ethylene glycol, such as the sale of chemical raw materials, cheap, quality assurance.

我公司是南昌南铃化学工业有限公司下属单位（原江铃化学工业有限公司）公司主要产品有：1、汽车用阻尼隔热垫和减振胶片系列，主要用于汽车、驾乘空间起隔热、隔音、减震的作用；2、金属涂装前处理剂系列，包括系列除油剂、除锈剂、磷化剂等；3、汽车用高级水箱冷却液系列，用于液冷式内燃机冷却系统，起防冻、防沸、抗蚀、阻垢的功用；4、公司其它产品有：脱漆剂、防锈油、切削冷却液、PVC密封胶，铝材化学转换剂，漆雾凝聚剂，废水处理剂等。5、公司出售乙二醇等化工原料，价格便宜，质量保证。

Civilian in the original stainless steel towers, automatic non-tower water, and 3 tons of plastic cans, multi-purpose section of coal on the basis of±·developed a fairly competitive market, to overcome the concrete, steel, glass and other material for a new type of defect super-large equipment storage. 1-300 tons of wide import modular stainless steel water tank, 3-full-import 30 tons of polyethylene plastic cans; products with anti-acid-base, corrosion-resistance, resist aging, no peculiar smell, not long moss, eliminate sterilization, handsome in appearance, sanitation, any combination of a combination of hot and cold, seismic cracking, corrosion resistance strong, anti-ultraviolet, green environmental protection, impact resistance, the unique advantages such as shortening the construction period; widely used in food, medicine, textile, printing and dyeing, chemical, paper, porcelain , electronics, construction site, yard, distillery, buildings, fire and big hotels, water treatment, pure water plant and other industries.

在原有民用不锈钢水塔、全自动无塔供水器、3吨以下塑胶罐、多功能节煤炉的基础上，厚积薄发，研制出颇具市场竞争力，克服混凝土、钢板、玻璃等材料缺陷的新型供储水超大型设备。1-300吨全进口模块化不锈钢水箱，3-30吨全进口聚乙烯塑胶罐；产品具有抗酸碱、耐腐蚀、拒老化、无异味、不长苔、灭杀菌、造型美观、清洁卫生、任意组合、冷热兼用、抗震防裂、耐蚀性强、抗紫外线、绿色环保、耐受撞击、缩短工期等独特优点；广泛使用于食品、医药、纺织、印染、化工、造纸、瓷厂、电子、工地、料场、酒厂、楼群、消防、大酒店、水处理、纯水厂等行业。

Shanghai Sinopolymer Chemical Material Co., Ltd. is a professional supplier to floor materials and engineering service, mainly undertaking application of special floor materials and of refurbishment/reflooring old floor ,such as epoxy coatings, anti-static coatings, corrosion protection coatings, fireproofing coatings, etc.

上海司诺普化工材料有限公司是一家专业的地坪材料与工程服务供应商，主要承揽各类特种地坪材料的施工及旧地面翻修工程施工，如环氧地坪涂料系列、防静电涂料系列、耐腐蚀涂料系列、防火涂料系列、耐蚀系列树脂材料等产品。。。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。