高效

In addition, the preparation and package and store for standard reference materials of antioxidant BHT are studied.

本论文主要叙述了对工业品防老剂BHT的重结晶提纯和区域熔融提纯(自行设计和制造了区域熔融仪，申请了发明专利)来制定防老剂BHT标准物质的研究：通过实验确定了乙醇重结晶提纯工艺；利用自行设计区域熔融装置，拟定操作规程和技术条件；确定提纯样品的高效液相色谱法和差示扫描量热法的纯度检测条件和实验方法；用高效液相色谱检验BHT标准物质的均匀性、稳定性；分别用高效液相色谱法和差示扫描量热法测定这种标准物质的不确定度评定及两种不同原理检测的定值分析；最后确定标准物质BHT的纯度和合成标准不确定度：标准物质的制备、包装及贮存。

Generally, this new technique has three steps. First, mill the necked-in casing with the efficient milling cutter head; and then salvage and back-off the buried pipe by a suitable fishing tool based on fish tip status; at last, orderly use a efficient taper pups and taper to extend and dredge the casing refitment section.

该技术首先利用高效高效铣削式套铣头对缩径套管进行套铣，然后根据鱼顶情况选择合适的打捞工具打捞、倒扣出被埋管柱，最后将高效铣锥短节和铣锥对修套井段进行扩铣通径。

The company specialized productionenrichment plant, provides the technical process,the dressing experiment,the installment instructswww.lzkysb.cn gently yu0797-5745599 to stir the equipment, the stirring chest, the highly effective stirring chest, the leaching vat, the promotion stirring chest, the mineral product stirring chest, the mineral product promotion stirring chest, the mixer, the mineral product mixer, the highly effective mixer, promotes the mixer, stirs the tube, stirs the barrel, the mineral product agitation barrel, the promotion agitation barrel, the stirring chest which the company produces, the promotion type agitation barrel, the highly effective stirring chest, the bilobed wheel stirring chest, the leaching vat mainly uses in the density not being bigger than 30%the proportion is not bigger than 3.5 pulpthe flotation reagents for ore-dressing carries on the agitation, this product divides XBthe XBT promotion type agitation barrel, the XBT promotion type agitation barrel in carries on to the pulpAgitation at the same time may promote the pulp liquid level to certain altitude, for this reason the promotion type agitation barrel to does not have the dropping variance dressing location to be extremely advantageous mainly by the trough body, the support, the electrical machinery, the impellerthe drive shaftso on is composed.

公司专业生产选矿设备，提供工艺流程，选矿实验，安装指导www.lzkysb.cn温良禹0797-5745599搅拌设备，搅拌槽，高效搅拌槽，浸出槽，提升搅拌槽，矿用搅拌槽，矿用提升搅拌槽，搅拌机，矿用搅拌机，高效搅拌机，提升搅拌机，搅拌筒，搅拌桶，矿用搅拌桶，提升搅拌桶，公司生产的搅拌槽，提升式搅拌桶，高效搅拌槽，双叶轮搅拌槽，浸出槽主要用于浓度不大于30%和比重不大于3.5的矿浆与浮选药剂进行搅拌，该产品分XB和XBT提升式搅拌桶， XBT提升式搅拌桶在对矿浆进行搅拌的同时可将矿浆液面提升到一定的高度，为此提升式搅拌桶对没有落差的选矿场地极为有利主要由槽体，支架，电机，叶轮及传动轴等组成。

The company specialized productionenrichment plant, provides the technical process,the dressing experiment,the installment instructswww.lzkysb.cn gently yu0797-5745599 to stir the equipment, the stirring chest, the highly effective stirring chest, the leaching vat, the promotion stirring chest, the mineral product stirring chest, the mineral product promotion stirring chest, the mixer, the mineral product mixer, the highly effective mixer, promotes the mixer, stirs the tube, stirs the barrel, the mineral product agitation barrel, the promotion agitation barrel, the stirring chest which the company produces, the promotion type agitation barrel, the highly effective stirring chest, the bilobed wheel stirring chest, the leaching vat mainly uses in the density not being bigger than 30% and the proportion is not bigger than 3.5 pulp and the flotation reagents for ore-dressing carries on the agitation, this product divides XB and the XBT promotion type agitation barrel, the XBT promotion type agitation barrel in carries on to the pulpAgitation at the same time may promote the pulp liquid level to certain altitude, for this reason the promotion type agitation barrel to does not have the dropping variance dressing location to be extremely advantageous mainly by the trough body, the support, the electrical machinery, the impeller and the drive shaft and so on is composed.

公司专业生产选矿设备，提供工艺流程，选矿实验，安装指导 www.lzkysb.cn 温良禹0797-5745599搅拌设备，搅拌槽，高效搅拌槽，浸出槽，提升搅拌槽，矿用搅拌槽，矿用提升搅拌槽，搅拌机，矿用搅拌机，高效搅拌机，提升搅拌机，搅拌筒，搅拌桶，矿用搅拌桶，提升搅拌桶，公司生产的搅拌槽，提升式搅拌桶，高效搅拌槽，双叶轮搅拌槽，浸出槽主要用于浓度不大于30%和比重不大于3.5的矿浆与浮选药剂进行搅拌，该产品分XB和XBT提升式搅拌桶， XBT提升式搅拌桶在对矿浆进行搅拌的同时可将矿浆液面提升到一定的高度，为此提升式搅拌桶对没有落差的选矿场地极为有利主要由槽体，支架，电机，叶轮及传动轴等组成。

The invention belongs to the fluid measuring technical field and relates to an oil, gas and water three-phase oil well continuous gauging device, which comprises a high-efficient gas-liquid separator; the high-efficient gas-liquid separator is connected with an oil, gas and water three-phase inflowing port; a gas phase outlet of the oil, gas and water three-phase inflowing port is connected with a gas phase measuring pipeline; a gas path temperature sensor, a gas path pressure sensor and a gas path endocone flowmeter with high-frequency differential pressure transmitter are arranged on the gas phase measuring pipeline; a liquid phase outlet of the high-efficient gas-liquid separator is connected with a liquid phase measuring pipeline; a liquid path Coriolis mass flowmeter and a liquid path endocone flowmeter are arranged on the liquid phase measuring pipeline; and the cross section of the pipeline for mounting the liquid path Coriolis mass flowmeter is more than the cross section of the pipeline for mounting the liquid path endocone flowmeter.

本发明属于流体测量技术领域，涉及一种油、气、水三相油井连续计量装置，包括高效气液分离器，高效气液分离器与油、气、水三相流入口相连，其气相出口与气相测量管路相连，在气相测量管路上装有气路温度传感器、气路压力传感器、带有高频差压变送器的气路内锥流量计；高效气液分离器的液相出口与液相测量管路相连，在液相测量管路上装有液路科氏质量流量计和液路内锥流量计，安装液路科氏质量流量计的管路的截面积大于安装液路内锥流量计的管路的截面积。

Production and sales companies are the main FDN series naphthalene superplasticizer, water reducer Sulphamate series, aliphatic superplasticizer, various models of efficient retarding superplasticizer, pumping agent, selling all types of expansion agent, retarder, calcium lignosulfonate, wood sodium, sodium, such as glucose.

公司现主要生产销售FDN系列萘系高效减水剂、氨基磺酸盐系列减水剂、脂肪族系高效减水剂、各种型号的高效缓凝减水剂、泵送剂、销售各类膨胀剂、缓凝剂、木钙、木钠、葡萄糖酸钠等。

The study will develop the important research domain in the high efficiency grinding which has great potentialities, considering that the increase of heat transfer efficiency means an synchronous increase of the limit material removal rate under the condition of grinding unburn, therefore the further perfection of this study will not only increase the available material removal rate to a new level, but also solve the workpiece burn problem of the difficult-to-machining materials in the high efficiency grinding, which has great technical and economical significance

本项研究可望开拓高效磨削的极富潜力的重要研究方向，考虑到换热效率的提高本身也就意味着磨削时不发生烧伤的材料极限去除率的同步提高，因而进一步完善此项研究不仅可望将现有高效深切磨削的材料去除率提高到一个新水平，而且将有效解决难加工材料的高效磨削问题，其技术经济意义十分重大。

And, IEST has RP-CC-006 Testing Cleanrooms, RP-CC-007 Testing UPLA Filters, RP-CC-034 HEPA and ULPA Filter Leak Tests, and RP-CC-013 Test Equipment Calibration or Validation Procedures.

环境科学技术学会的RP-CC-006洁净室测试、RP-CC-007 UPLA超高效过滤器测试、 RP-CC-034 HEPA高效和ULPA超高效过滤器泄漏测试和RP-CC-013测试设备标校和验证规程。

Relative fitness experiments for the populations of lambda-cyhalothrin-susceptible, NILs-RR and NILs-RS strains of Spodoptera exigua, showed that relative finesses of NILs-RS and NILs-RR were 0.870 and 0.893, in comparison with that of SS strain. The intrinsic rates of natural increase of SS, NILs-RR and NILs-RS were 624.7, 543.6, and 557.8 respectively. There was no significant difference in the fitness between SS and different resistant lambda-cyhalothrin genotypes (NILs-RS and NILs-RR) of Spodoptera exigua.

对构建的甜菜夜蛾敏感种群、近等基因系高效氯氟氰菊酯抗性种群和近等基因系低抗性种群生命表分析表明，以SS种群为参比，NILs-RS、NILs-RR种群的相对适合度分别为0.870、0.893，抗高效氯氟氰菊酯不同基因型甜菜夜蛾SS，NILs-RS和NILs-RR三种群净增殖率分别为624.7， 543.6和557.8，无显著差异，表明高效氯氟氰菊酯的抗药性未引发甜菜夜蛾适合度变化。

Model PMG series high efficient ball mill have been designed with the merits of open circuit grinding system and important renovations on traditional ball mills. Besides they have all the good advantages of open circuit mills, production capacity has been raised substantially, product becomes super fine and blains have been increased. It has provided a new type of grinding equipment for producing high strength grade cement with high output and super finess.

PMG 型系列高效球磨机是在开流粉磨系统所具有的优缺点中扬长避短而设计的高效球磨机，对传统的球磨机做了重大的改进，除具有开流粉磨系统一切优点之外，与同规格的球磨机相比， PMG 型系列高效球磨机产量有了大幅度的提高，且粉细、比表面积增大，实现高产、高细，为生产高标号水泥提供了一种新型的粉磨设备。

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。