高强度的

SB2015-3 Precision Decade DC Resistance Box adopts high voltage glass glaze resistors and special high voltage seal switch.Its electric performance is very stable and insulation intension is very high.The resistance value can be adjusted under the condition of ceaselessly opening voltage(Note:The using switch should not be at the point of 0.)It is easy to operate and suitable to be used to calibrate insulation resistance meter,and suitable to be used as high resistance standard.

SB2015-3型精密十进位直流电阻箱采用高压玻璃釉电阻器及独特的高压密封开关，电性能稳定可靠、绝缘强度高、可在不断开测试电压的条件下调节电阻值（正在使用的那只开关不处在"0"位置时）、操作方便，适用于检定/校准绝缘电阻表，也可作为高阻标准。

Tempered at 420℃, high hardness and toughness property can be maintained. It meets the requirement of multi-times impact strength with small energy and fatigue on operating duty. It has the higher endurance life property and so on..

经420℃回火，保持较高的强度和韧性，满足汽车板簧小能量多冲和疲劳载荷的服役状态，具有较高的疲劳寿命等使用性能。

Comparing with cold cathode glow discharge. the cathode fall region of hot cathode glow discharge has a higher cathode potential fall.

相对于常规辉光放电，热阴极辉光放电的阴极区具有较高的阴极位降，因而存在很高的电场强度。

The results showed that the fracture toughness of the weld of HFW pipe was lowest.The value of absorbed energy of HFW weld was closely related to the heat treatment process.But the fracture toughness of fusion zone of submerged-arc welded jointer,its microstructure was coarse granular bainite,and was lower than the other locations of heat affected zone;and with the increasing of steel strength,the effect of welding heat cycles on the pipeline steel became stronger,and form coarse microstructure in fusion zone leading to decrease fracture toughness.

结果表明，高钢级管线钢高频焊接焊缝处的断裂韧性最低，其冲击功大小与热处理工艺密切相关；而埋弧焊接热影响区断裂韧性在熔合线处最低，其主要原因是此处的组织为粗大的粒状贝氏体，而且强度越高焊接热循环对管线钢的作用越强，在熔合线附近更容易产生粗大组织，使断裂韧性降低。

The purpose of the invention is a rotary motor coil portion insulating construction for releasing stress between a conductor and a insulating resin, alleviating lacker skin damage state and keeping high bond strength and high insulating property at long time.

本发明的目的是取得缓解导体与绝缘树脂之间发生的应力、减轻瓷漆皮损坏且长期维持高粘合强度和高绝缘性的旋转电机线圈部的绝缘结构。

The isotopic composition of hydrogen and oxygen in heavy water are analyzed by using a high-resolution mass spectrometer.

用高分辨率质谱计分析了重水中氢与氧的同位素组成；分析了重水的分子组成、质谱中的单电荷离子；利用高分辨率质谱峰相对强度，计算了重水中的氢氧同位素组成。

Aluminum nitride substrate has been recognized as one of ihe most promising electronic substrate as heating panel and packaging materials for its high thermal conductivity, fine electrical insulation, and close coefficient of thermal expansion to silicon semiconductor.

氮化铝材料具有较高的热导率和良好的介电性能，机械强度高，热膨胀系数与半导体硅材料相近，非常适于制造大功率或快速半导体器件的散热基片和封装材料。

It was found that the Schorl or dravite in schorl-dravite group that is produced from pegmatite and has good crystal degree had a strong intensity of spontaneous polarity by electron-beam bombardment and X-ray diffraction of varying the temperature.

利用电子束轰击结合变温XRD分析发现在Schorl-dravite系列电气石中，产于伟晶岩的，结晶度比较高的Mg电气石或Fe电气石具有较高的自发极化强度。

According to the technological principle, the process flow of pellet production is designed and technical demands for raw materials are determined. Test and application results show that developed Ti-content pellets have characteristics of high strength, high grade of iron and low cost and play double roles in blast furnace lining protection and reducing the cost of furnace charge material.

根据球团生产工艺原理，设计了生产球团的工艺流程并确定了技术要求，试验及使用结果表明，研制生产的含钛球团矿具有强度高、含铁品位高，成本低等特点，起到了高炉护炉及降低炉料成本的双重作用。

The observation of the sheet microstructure showed that under same rolling reduction be cause of the shearing stress of the cross-shear region in the cross shear rolling pro cess, it made the metal subjected more practical shearing strain and resulted in the increasing of the strength and deep drawing earing of the alloy sheet.

通过金相显微镜及电镜观察表明，在同样的几何变形程度下，由于异步轧制中搓轧区的作用，使金属经受更大的实际切变形，结果经异步轧制合金板的强度高，深冲制耳率也高。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。