查询词典 sand blast

Therefore a GD sand-screening pipe is developed, which is helpful to the environment protection. This new sand-screening pipe consists of center pipe, sand filter and guide shoe. The center pipe is machined from 64mm tubing, and the sand filter is made from silica sand, cement, additive.

这种环保型滤砂管由中心管、滤砂器及引鞋组成，中心管采用 6 4mm油管加工而成，两端为特种 6 4mm平式油管螺纹，管体上每米均匀分布 72个直径 10mm孔眼；滤砂器是根据不同技术标准筛选不同粒度的石英砂、油井水泥、添加剂和水按配比加工压制的。

The formation sand flow is one of an important factor to effect the nonnal production of oil wells. Sand pump technology is an effective way to control the fine sand in the artificially lifted wells. Sand control pump is main tool for sand disposal.

地层出砂是影响油井正常生产的重大因素之一，排砂工艺是针对细粉砂在机采井上采取的一种防砂工艺，防砂泵是目前主要的排砂工具。

The main business is to deal with a variety of surface materials, including the sand material for blasting (iron grits, ceramic sand, plastic sand etc), polishing material (polishing wax, cloth wheels, polishing powder, polishing liquid, KOYO series),grinding materials (grinding stone, grinding media , brightener),drawing series, cleaning materials (the liquid for removing wax, rust removing, powder for removing oil). we are the distributor of Japan KOYO polishing products in South China,also distribute the other famous brand in the field of surface treatment, such as Japan FUJIMI, RIKEN, NIKKEN,SOKEN,Germany MENZERNA, AMERICAN 3M, AMERICAN MAXI-BLAST, Saint-Gobain of France, South Korea DEER.

主要产品有各种喷涂砂材(铁砂、陶瓷砂、玻璃砂、棕刚玉、金刚砂、白刚玉、塑胶砂、石榴砂、核桃砂、碳化硅、不锈钢丸、钢砂、铸铁丸等)；国产/进口抛光材料(抛光腊、布轮、麻轮、尼龙轮、抛光粉、抛光布、抛光液、KOYO抛磨系列等)；研磨耗材(研磨石、研磨液、光亮剂、润滑剂、平面研磨液、精磨液等)；打磨拉丝材料(打磨片、抛磨片、尼龙辊、尼龙轮、砂纸砂带、百洁布、飞翼轮等)；清洗材料(除蜡水、除锈剂、防锈剂、除油粉、乙丙醇等)以及其它相关表面处理耗材，是日本光阳社KOYO系列抛磨产品中国华南总代理。，代理的其它品牌有日本创研，日本福吉米，日本野牛，日本日研，日本理研，德国名仕，德国赫美斯，美国3M，美国MAXI-BLAST，法国圣戈班，韩国鹿牌等。

If you are a manufacturer, we can save costs for you. If You are a trader, we can create the largest profit space for you.The main business is to deal with a variety of surface materials, including the sand material for blasting (iron grits, ceramic sand, plastic sand etc), polishing material (polishing wax, cloth wheels, polishing powder, polishing liquid, KOYO series),grinding materials (grinding stone, grinding media , brightener),drawing series, cleaning materials (the liquid for removing wax, rust removing, powder for removing oil). we are the distributor of Japan KOYO polishing products in South China,also distribute the other famous brand in the field of surface treatment, such as Japan FUJIMI, RIKEN, NIKKEN,SOKEN,Germany MENZERNA, AMERICAN 3M, AMERICAN MAXI-BLAST, Saint-Gobain of France, South Korea DEER.

主要产品有各种喷涂砂材(铁砂、陶瓷砂、玻璃砂、棕刚玉、金刚砂、白刚玉、塑胶砂、石榴砂、核桃砂、碳化硅、不锈钢丸、钢砂、铸铁丸等)；国产/进口抛光材料(抛光腊、布轮、麻轮、尼龙轮、抛光粉、抛光布、抛光液、KOYO抛磨系列等)；研磨耗材(研磨石、研磨液、光亮剂、润滑剂、平面研磨液、精磨液等)；打磨拉丝材料(打磨片、抛磨片、尼龙辊、尼龙轮、砂纸砂带、百洁布、飞翼轮等)；清洗材料(除蜡水、除锈剂、防锈剂、除油粉、乙丙醇等)以及其它相关表面处理耗材，是日本光阳社KOYO系列抛磨产品中国华南总代理。，代理的其它品牌有日本创研，日本福吉米，日本野牛，日本日研，日本理研，德国名仕，德国赫美斯，美国3M，美国MAXI-BLAST，法国圣戈班，韩国鹿牌等。

The instruments used ATmega16L onboard A / D converter channels to achieve the cold wind pressure, the hot blast pressure, the furnace top pressure and cold wind current capacity four way analog acquisition;used PWM waveform produced by ATmega16L internal timing / Counter to achieve the entire differential pressure ,the cold wind flow and the permeability index three-way analog output for recording instruments; realized the cold wind pressure, the hot blast pressure, the furnace top pressure, the cold wind current capacity and the entire differential pressure five group parameter tour demonstration and the fixed-point demonstration by key-elect key's coordination during demonstration blast furnace permeable index; produced acousto-optics alarm when the permeable index across the upper and lower limits;used RS-485 realizing the communication with the superior computer.

仪表利用ATmega16L自带的A/D转换通道实现对冷风压力、热风压力、炉顶压力及冷风流量四路模拟信号的采集；通过ATmega16L内部的定时/计数器产生的PWM波形来实现对全压差、冷风流量及透气性指数三路模拟量输出供记录仪表使用；通过键选键的配合在显示高炉透气性指数的同时实现冷风压力、热风压力、炉顶压力、冷风流量及全压差五路参数的巡回显示与定点显示；当高炉透气性指数越上、下限时，仪表产生声光报警信号；仪表采用RS-485与上位机实现通信。

Cloning and Functional Analysis of mnh6 and mtp1 Genes in Rice Blast Fungus, Magnaporthe grisea Abstract Rice blast is a severe disease to harm rice and the rice blast fungus is a well-known ascomycete Magnaporthe grisea.

稻瘟病菌mnh6和mtp1基因的克隆和功能分析摘要稻瘟病是一种严重危害水稻的毁灭性病害，其病原菌为子囊菌Magnaporthe grisea。

For KISC, the technology shall firstly use high-phosphorus ironstone efficiently which can not completed by the current picking technology or blast furnace process, to greatly reduce ironstone cost that occupies the most proportion of iron and steel production cost, easy cost pressure caused by international and domestic shortage of production materials, induce transportation risk, to assuringly supply KISC with a great deal of cheap raw materials and create great economic profit; Secondly it shall promote KISC to update its products, especially high-added-value products of lowest phosphorus and lowest sulfur, to enhance its ability to adapt market and gain profit; Thirdly it shall improve technical and economic indexes of blast furnace and converter, and be helpful for efficient blast smelting and less-slag melting of converter process; Furthermore the technology shall greatly promote the stable operation of melting process and the control of the production of high-temperature and high-quality casting blank, to realize efficient continuous casting and continuous casting and rolling to improve KISCs production intensification; Finally the technology shall distribute melting functions and optimize production processes, to improve the auto-control of melting and continuous casting, to realize the integrated management of technology, equipment, production organization and management, logistic management, and production running of smelting, continuous casting and rolling.

对昆钢而言，该技术的应用，首先可以经济有效地实现现有采选技术及高炉冶炼所不能完成的高磷铁矿石的利用，大幅度降低在钢铁生产中占绝大比例的原料成本，缓解国际国内生产原料紧张而造成的成本压力，为昆钢创造巨大的经济效益；其次可以促进昆钢产品的升级换代特别是高附加值超低磷、超低硫钢种的开发，增强昆钢的市场适应能力和效益创造能力；再次可促进高炉及转炉技术经济指标的改善，降低生产成本，且利于转炉生产实现高效吹炼和少渣冶炼；此外，该工艺能显著提高冶炼环节的平稳顺行及高温、高质量铸坯生产的可控程度，可实现高效连铸和连铸连轧生产，提高昆钢生产的集约化程度；最后，该工艺能实现冶炼功能的分工和生产流程的优化，可提高昆钢炼钢与连铸生产的计算机自动控制程度，有效促进炼钢—连铸—轧钢的工艺、设备、生产组织和管理、物流管理、生产操作等环节的一体化管理的实现。

The preventive measures for the harmful defects of alkali metals are as follows: 1, reducing the alkali metals content in the raw materials; 2, increasing the MgO content of the sinter , decreasing the basicity of slag , decreasing the Si content of the pig iron, increasing relative slag volume; 3 , introducing prereduced ore pellets or partly reducted sinter; 4increasing the ability of coke resisting alkali metals; 5, using refractories that have the ability of resisting corrasion of alkali metals; 6 , cleaning the blast furnace periodically. The above recommendations are necessary for decreasing the circulation and accumulation of alkali metals effectively in blast furnace, reducing the harmful influence of alkali metals on blast furnace, increasing the smelting intensity, decreasing the coke rate, improving the gas permeability.

基于碱金属对高炉冶炼的上述危害，本文结合湘钢高炉的实际生产情况，通过理论分析、计算以及其他钢厂防治碱害的经验，提出防治高炉碱害的措施：1、减少入炉原、燃料的碱金属含量；2、提高烧结矿中的MgO含量、降低炉渣碱度、降低生铁含硅量、适当增加渣量；3、采用预还原的金属化球团或部分还原的烧结矿；4、提高焦炭的抗碱能力；5采用抗碱侵蚀的耐火材料；6、周期性性洗炉，以有效地减少碱金属在高炉内的循环富集，降低碱金属对高炉的危害，提高高炉的冶炼强度，降低焦比，改善高炉透气性。

Grisea have been obtained in recent years as well.In our previous work, an RIL population consisting of 304 lines was constructed from the indica cross Zhong 156/Gumei 2. Two genes conferring complete resistance to blast isolate 92-183 (ZC15) were primarily mapped by using 148 lines of the population. In the present study, genotype of the 304 RILs were analyzed and QTL mapping for partial resistance to 2 isolates of leaf blast and 1 isolate of neck blast were conducted.

本实验室曾经应用中156／谷梅2号构建了由304个重组自交系(recombinant inbred lines，RIL)组成的重组自交系群体，应用其中的148个株系对抗稻瘟病基因进行了初步的定位，本研究则进一步对整个群体的304个RILs的基因型进行了分析，对控制叶瘟和穗瘟部分抗性的QTL进行了定位。

Technology of coal of gush of blast furnace double gun solves blast furnace coal effectively to compare current velocity of the coal fines when rising fast, coal fines and sirocco mix inadequate, cause efficiency of combustion of blast furnace coal fines this technique still can reduce low problem; effectively remove dust the carbolic content in ash, energy-saving to the enterprise decrease platoon and clean production to having active sense.

高炉双枪喷煤技术能有效地解决高炉煤比提高时煤粉流速快，煤粉和热风混合不充分，致使高炉煤粉燃烧效率低等新问题；此项技术还能有效降低除尘灰中的碳含量，对企业节能减排和清洁生产有着积极意义。

He studied their excrement for evidence of livestock hair.

他为家畜毛的证据研究他们的粪便。

Loneliness is not grounds for deportation, deportation of the people are not all lonely people.

寂寞也不是放逐的理由，放逐的人也并不都是孤独的人。