• 通过正交试验优选一种常温磷化配方

    Formula of a fast phosphating process at room temperature was optimized by orthogonal test.

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  • 基于T225NG钛合金常温棘轮试验本文研究峰值棘轮应力T225NG钛合金棘轮应变影响

    The influence of peak ratchetting stress on ratchetting deformation of this alloy is investigated based on uniaxial ratchetting tests of T225NG titanium alloy at room temperature.

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  • 应用电化学方法腐蚀试验研究了LY 12铝合金表面常温稀土化学转化膜。

    The cerium conversion coatings on LY12 aluminum alloy surface under normal temperature was studied by electrochemical methods and corrosion experiments.

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  • 试验结果表明超声处理虽然提高水玻璃常温强度也恶化溃散性;

    The experimental results indicate that ultrasonic processing can improve the normal temperature strength of sodium silicate sand, but deteriorate its collapsibility.

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  • 采用噪声信号作为标准声源输入信号,常温气流条件下消声器实物模型进行静态放声试验

    After a white noise signal has been taken as the input of a standard sound source, a static acoustic test is conducted for a prototype silencer without air flow and at the normal temperature.

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  • 制得高强度耐火粘土砖试验结果表明浸渍处理后试样,常温耐压强度获得了不同程度提高体积密度增加气孔下降

    The result shows that the compressive strength at normal temperature of impregnated samples is raised in varying degree, their bulk density is increased and the porosity is decreased.

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  • 试验结果表明:在常温常压下,用硫酸出该氧化锌矿石锌的浸出率可达到78%。

    It was found that 78% zinc extraction was obtained at room temperature and atmosphere pressure.

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  • 常温空气为介质,通过改变扩压器附面层抽吸能力混合隔板长度压器出口反压及进气流量条件进行试验

    The essential performance had been achieved by testing through changing boundary layer ejector pumping capacity, mixing chamber clapboard length, the counterpressure, main inlet mass flux and so on.

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  • 多试样测出常温JIC标准试验测得的值吻合得很好。

    The value of JIC measured by multiple-sample flexibility method is similar to that by standard test.

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  • 常温贮藏条件下18个花生品种及其对应的秋花生品种为材料进行种子活力对比试验

    The seed vigor of 18 spring-planted peanuts varieties and their corresponding autumn-planted peanuts varieties stored in room temperature were investigated.

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  • 介绍MTS810陶瓷试验系统工作原理及其陶瓷材料各种常温高温动、静态力学性能测试中的应用

    The principle and features of MTS810 are introduced, and the applications of MTS810 for evaluating mechanical property of ceramics in normal and high temperature environment are discussed.

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  • 以自制吸水抗菌纸作为保鲜材料苹果进行常温保鲜研究,其他保鲜方法进行了对比试验

    Self-made antimicrobial-bibulous paper was used as the material for room temperature preservation experiment and was compared with other techniques.

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  • 本文论述分析了齿复合垫片常温力学性能密封性能试验研究。

    The test results of mechanical and sealing performance at room temperature of flexible graphite gaskets reinforced by corrugated metal sheet are discussed and analyzed.

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  • 低温考察试验结果预测常温下硼葡萄糖酸钙冲剂贮存有效期可暂定

    The test results of microtherm method predict that the tentative storage effective time of electuary of Boric acid glucal would be two years in the normal atmospheric temperature.

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  • 通过试验研究常温封孔氧化陈化特性

    The ageing characteristics of sealed oxide film at normal temperature are studied.

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  • 通过节点模型试样低温常温疲劳试验,得出了低温环境对试样疲劳s - N曲线的影响系数。

    The fatigue performances of welded specimen of tubular joints are tested at low temperature and normal temperature.

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  • 通过腐蚀实验置换试验研究常温脱水性防锈油防锈性能和脱水性。

    The antirust and dehydration properties of the normal temperature dehydrating antirust oil were investigated through experiments of corrosion and water displacement.

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  • 大量试验基础上,采取常温预处理磨工艺以改善粉煤灰性能

    On the basis of a great many of tests, the properties of fly ash can be improved by the pretreatment such as grinding at normal temperature.

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  • 本文对齿复合垫片常温密封性能进行试验分析研究

    The sealing performance at room temperature of flexible graphite gaskets reinforced by corrugated metal sheet are experimental investigated and analyzed.

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  • 通过常温湿度试验,研究HTPB复合推进剂力学性能试验时间变化规律

    The change rule of mechanical property of HTPB composite propellant with test time was studied by humidity test.

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  • 通过试样常温力学性能试验双悬臂梁试样高温高压纯水中的腐蚀试验研究t 225ng钛合金的氢脆行为。

    Through the tests of mechanical properties of charging hydrogen and the corrosion tests in loop water of high temperature and high pressure, hydrogen brittleness of T225NG Ti-alloy was studied.

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  • 采用AF气氛保鲜纸苹果进行了常温保鲜效果试验其他方法进行了对比试验

    The preservation effect of fresh apple packed with AF type atmosphere wrapping paper at room temperature were studied.

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  • 笔者介绍新型酯硬化水玻璃性能特点,就酯硬化改性水玻璃砂常温强度溃散性的影响因素与改进方法进行了试验研究和探讨。

    The property characteristics of new generation of ester-hardened sodium silicate sand was introduced, and the factors influencing the atmospheric temperature strength and collapsibility of.

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  • 本文探讨预应力钢材常温拉伸应力松弛试验初始试验保持时间意义作用

    This paper describes the significance and role of the initial test load holding time in the tensile stress relaxation test at room temperature for the pre-stressed rolled steel.

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  • 试验中,以颗粒污泥接种污泥,实际废水为基质培养,在常温条件下采用负荷启动

    The trial was started at low concentration and room temperature using the granular sludge as seed and actual wastewater as inoculated substrate.

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  • 首先PVDF涂层建筑进行拉伸试验,测定常温低温环境下膜的拉伸力学性能参数

    Firstly, tensile experiment of PVDF-coated architecture membrane was conducted to obtain its tensile mechanical parameter under normal and low temperature environment.

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  • 试验结果表明配料中加入适量混合稀土氧化物提高耐火制品常温耐压强度震稳定性能是有益

    The results show that a certain amount of the mixed rare earth oxide content in the batch can increase the cold compression strength and the thermal shock resistance of the bricks.

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  • 通过注水管线一条输送污水管线部分输油管线注水油管的现场清洗试验,证明常温复合清洗液具有很好的清洗效果

    Through field cleaning test on 2 water flood pipelines, one sewage transportation pipeline, part old oil pipeline and a scale formed water injection pipeline etc, good result has been gained.

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  • 将国产80常温粉碎硫化胶粉用于子午线轮胎胎面胶进行了变量试验

    The application of 80 mesh RT ground crumb at variable loading to the radial tire tread was investigated.

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  • 试验结果表明辅以超声波作用电化学技术可以常温快速去除不锈钢表面高温热处理致密氧化皮,恢复了不锈钢的金属色泽表面。

    The results show that the electrochemical technology coupled with ultrasonic actions can remove oxide films rapidly at room temperature and renew the metallic luster of stainless steel.

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