Israel's new anti-rocket system, called the Iron Dome, has passed final tests and will be deployed near the country's borders by November. 以色列的新型反火箭系统名为“铁穹”,它已通过最终测试并将于十一月部署于国境线附近。
Methods Sampling of33 specimens from surface water, groundwater and spring water, do microbiological and metal element ( iron, manganese) tests. 方法采集地表水、地下水、山泉水样本33份,进行微生物学检验及铁、锰等金属元素检测。
Pores on thin bright nickel coatings on iron and steel workpiece and their sealing tests 钢铁件上薄层亮镍的孔隙及其封闭试验
On the basis of orthogonalized tests to determine the chemical composition of high strength Cu-Mo alloy nodular cast iron and its normalizing temprature, the post inoculation tests for this material have been carried out. 用正交试验法确定了Cu、Mo高强度合金球铁的化学成份和正火温度,在此基础上进行了二次孕育试验。
The wear-resistance of medium Mn white cast iron was compared with that of high Mn steel based on the laboratory tests and ball mill field test. 通过实验室试验相制成衬板装机使用,比较了中锰白口铁相高锰钢的耐磨性。
Four kinds of slag erosions of gangue, limestone, clay and iron mineral have been studied by utilizing man made field simulation rainfall through the combination of statistics theory and methods and orthogonal tests, establishing relevant erosion predicting models. 采用统计学理论、方法与正交试验相结合,并利用野外人工模拟降雨试验对煤矸石、石灰石矿、黏土矿、铁矿4种矿渣侵蚀进行了研究,建立了相应的侵蚀预测模型。
First, the conventional flotation method was used in the test, and pilot studies about the smelting iron slag included selective test of collectors, selective test of regulators, condition test of roughing, tests of concentrating, scavenging, open circuit and closed circuit. 试验首先采用常规的浮选方法对此次改性高炉渣进行了探索性试验,其中包括捕收剂选择试验、调整剂选择试验、粗选条件试验、精选试验、扫选试验、开路试验及闭路试验。
Conclusions: In anemic patients, TfR and its ratio to serum ferritin are valuable noninvasive tests for the diagnosis of iron depletion, and offers a high sensitivity and specificity to more conventional laboratory tests in the detection of depleted iron stores. 结论:TfR及其与铁蛋白的对数比值是诊断铁缺乏非创伤性指标,其敏感度和特异性均高于传统的实验室项目。
This paper introduces to use compounding cast processes for making a kind of composite, which is make up of high chrome cast iron and mid-carbon steel, tests the capabilities of interfaces and emphasizes on discussing the compounding-strength, microstructures and mechanics performances. 本文采用了复合铸造工艺制备了高铬铸铁/中碳钢复合锤头,测定了复合材料的界面结合性能,重点讨论了工艺参数对复合界面结合强度、显微组织及力学性能的影响情况。
Some characteristics of bending fatigue strength of nodular cast iron crankshaft are studied based on the tests on crankshaft of a medium truck engine. 本文以中型货车发动机曲轴为对象,研究了球铁曲轴弯曲疲劳强度的特点。
The calcination and secondary acid leaching process were used to remove iron and aluminum in the pyrite tailings in the tests. 试验采用了煅烧、二次酸浸工艺,进行硫铁尾矿酸浸除铁和铝试验。
To reduce the filter cake moisture of Dyae iron mine's copper concentrate, tests were made on using surfactant to aid the filtration. 为降低大冶铁矿铜精矿的滤饼水分,进行了表面活性剂的助滤试验。
Trials are conducted on the slag retaining technique in the large open hearth with dual tapping spouts at Baotou Iron& Steel Company and marked results have been achieved in the tests. 本文介绍包钢对大型固定式双槽出钢平炉进行了挡渣技术的试验、研究及取得的显著效果。
Several types of friction pair with ordinary and bionic structure from material of piston aluminium alloy and cylinder liner cast iron were designed based on the bionic principles and comparative tests of these pairs were done on a friction and wear machine. 根据仿生学原理,利用铝合金活塞和铸铁汽缸套的材料设计了普通结构和几种仿生结构的摩擦副,并在摩擦磨损试验机上进行了对比试验。
Abstract In consideration of the ore properties of Daye iron Mine and starting from the analysis of the beneficiation flowsheet used in the production, the paper describes the pilot and industrial tests on the regrinding of Cu and S composite concentrates. 本文根据大冶铁矿矿石性质,从选矿生产工艺分析人手,介绍了Cu、S混合精矿再磨半工业和工业试验。
The material and process for making bricks by iron ore tailings were presented. The proportion tests of iron ore tailings and slag, river sand and lime were studied. The effects of additional reagent, forming pressure and forming moisture content on compressive strength were also studied. 介绍铁矿尾矿制作砖的材料、工艺过程,研究了铁矿尾矿与炉渣、河砂和石灰的配比试验,以及外加剂、成型压力、成型水分对抗压强度的影响。
A study on the corrosion property of cast iron in flowing seawater containing sand particles was summarized on base of three tests. 总结了笔者曾经进行过的3次有关铸铁在含沙流动海水中的腐蚀试验研究工作。
Analysis of the microstructure, graphite form, fatigue failure mechanism of compacted graphite iron ( CGI), its high temperature strength and strain tests demonstrate that CGI has excellent fatigue reliability and high temperature strength. 通过对蠕墨铸铁即紧密石墨铸铁(CGI)的微观组织、石墨形态、疲劳破坏机理的分析及在高温下的强度和应变的试验,说明了这种铸铁具有良好的疲劳可靠性和高温强度。
The impact fracture resistance under lower energy and repeated impacting of cross rolled low chromium white cast iron grinding ball had been studied through the tests of drop ball impacting, and the fracture form was analyzed also. 通过落球试验,测试了斜轧低铬白口铁磨球的抗小能量多冲击破坏能力,并对其破坏形式和磨损面特征进行了分析。
The effect of rare earth and calcium on the structure and property of gray iron were analysed in detail through laboratory tests and production technology tests. 采用研制的合金进行试验室试验和现生产工艺试验,详细地分析了稀土、钙对灰铸铁组织和性能的影响。
The reasons of low elongation of mid-Si-Mo vermicular graphite ( VG) cast iron exhaust tube casting and the effects of main technology factors on the elongation are studied by microstructure analysis and factor design tests. 通过微观组织分析和因素设计试验,研究了新一代汽车发动机中硅钼蠕铁排气管延伸率不足的原因和主要工艺因素对延伸率的影响。
This paper analyzes the impact of gray cast iron cutting the number of factors, by morphology, hardness, strength and other aspects of the analysis, and verified by cutting tests. 本文首先分析了影响灰铸铁切削性能的若干因素,通过组织形态、硬度、强度等方面进行了分析,并通过切削试验进行了验证。
According to the character of the ore, the disk speed, slurry concentration, magnetic minerals of flushing water and magnetic separation time and other factors on the iron removal effect through orthogonal experiments and condition tests to explore the background magnetic field intensity. 根据矿石性质,通过正交试验和条件试验探索背景磁场强度、磁盘转速、矿浆浓度、磁性矿物冲洗水量和磁选时间等各个因素对除铁效果的影响。
In the tests select the plowshare iron ( hydrophilic material) as a pilot test material, use machine tools to cut and polish the surface of plowshare iron in order to increase the reliability and comparability of tests. 犁铧钢是农机具耕作部件的主要材料,选择犁铧钢(亲水性材料)作为试验试材,运用机床对犁铧钢切割和表面磨光,增加了试验可靠性和对比性。