研究试验
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We put the two main engineering machine loading which are sinusoidal wave load and step load, and the results indicate that the dynamic responds are satisfied for the needs of the experiments. Besides, this paper analyzes the influence effects of the tire friction coefficient on different parameters, and then put forwards the experiment method of the performance of the tire friction.
加载工程机械主要的两种加载模式正弦波载荷和阶跃载荷,试验台动态仿真的结果表明系统动态响应性能能够满足试验要求;此外,论文还对不同路面对轮胎附着系数的影响进行了分析,通过这方面的研究,提出研究轮胎附着性能的试验方法。
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Main innovation and study achievements are described as follows:(1) A set of friction noise testing system was set up on the pin-on tester. In the process of friction testing in which the TRIP steel with transformation characteristics is continuously sliding in unilateralism, variety rule of the friction noise intensity was studied.
本文的主要创新和研究成果体现在以下方面:(1)在销盘摩擦磨损试验机上建立了一套摩擦噪声测试系统,研究了具有相变特征的TRIP钢在单向连续滑动的摩擦试验过程中,摩擦噪声的强度的变化规律。
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This paper gave the detailed reviews on previousresearch results on subdrainage home and abroad,studied the effect and mecha-nism of subdrainage facilities on drainage,waterlogging reduction,salt removeas well as nitrogen fertilizer application under subdrainage conditions by use oflysimeter experiments and field trials.Numerical modelling on water movementin heterogeneons multilayered soils as well as the optimization layout of spacingsand depths of PVC subdrain was also investigated in this paper by numerical sim-ulations.
本文在论述国内外暗管排水研究进展的基础上,采用蒸渗仪控制试验,田间试验和数学模型数值计算相结合的方法,对塑料暗管的排水、降渍、除盐效果及其机理和塑料暗管排降条件下小麦的N肥运筹进行了深入研究,并对排降条件下试区非均质分层土壤水分运动的数值模拟和塑料暗管埋深和间距的经济优化布局模式进行了探讨。
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Firstly, the paper carried out test study base on the pseudo-static test under horizontal loads on four two-spanned model members of FSMRCSS, including three 1/2-scaled two-storeyed models and one 1/3-scaled three-storeyed model. By the test study, the paper analyzed the test results, including analysis on mechanical property of the constructure under vertical loads, and failure mode, deformation capacity, aseismic performance under horizontal loads and constant vertical loads. The paper also compared LFSWSUMS with FSMRCSS on aseismatic property.
本文首先对三个两跨两层和一个两跨三层的底部大空间框支密肋复合墙结构的1/2和1/3比例模型进行伪静力试验研究,通过对底部大空间框支密肋复合墙结构在竖向荷载及与水平低周反复荷载共同作用下的受力性能的试验研究,探讨了结构的变形性能、滞回耗能和破坏形态,并与框支砌体结构进行对比分析。
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In this thesis, computer technology, automatic testing technology and measuring technology were successfully intergrated in the developed intelligent testing system for the HWF-5 reciprocating tribometer. It is of great significance for the research of guide sleeves in the shock absorber.
本文所研究的HWF-5往复摩擦磨损试验机的智能测试系统,将计算机技术、自动化技术以及测试技术与摩擦磨损试验机有机地结合起来,对于减振器轴套研究的深入开展有着重要意义。
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The experiments were carried out to study the efficiency of sod-culture and AMF infecting to early pear, the results indicated as follows: Experiment 1 Study on the effects of sod-culture on the environments of early pear orchard By field experiment, the effects of seeding Trifolium repen L.
本论文从生草栽培和菌根效应对早熟梨生长的影响入手,作了以下研究:试验1 生草对早熟梨果园微环境的影响通过田间试验研究了单独播种白三叶草、黑麦草和混播白三叶草与黑麦草对早熟梨园微生态环境的影响。
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The effect of the steel bar type and the heating temperature on the mechanics performance of steel bar was experimentally investigated.
进行了圆钢、螺纹钢、冷拔和冷轧扭4种钢筋高温下力学性能的试验研究,同时进行了螺纹钢筋高温冷却后力学性能的试验研究,并与室温下钢筋力学性能进行了对比分析。
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Lastly, to test the efficacy of shim plate in the single hole plate and research the fatigue life of single hole plate by means of changing the thickness and size of shim plate and the various torque, and then to test the shim plate efficacy at the abutting joint part for studying the fatigue life of the screw connecting component and rivet connecting component of typical wainscot of X air plane.
最后,首先在单孔板上试验垫片的功效,通过改变垫片的尺寸厚度、垫片面积及垫片在承受不同大小力矩下,分析研究单孔板的疲劳寿命,确定垫片尺寸厚度、面积和力矩对单孔板寿命的影响。其次在对接件上试验垫片的功效,研究运X飞机典型壁板螺接结构件和铆接结构件的疲劳寿命。
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The optimum process was as follows : solvent is 0.3% ammonia solution , ratio of solvent to solid ratio is 10:1 , vacuum-cavitated time is 15 minutes , GA extraction yeild is 2.0%, the crude extract is 30.3%, and in which the content of GA is 6.6%.
采用负压空化方法对超临界萃取后固形物中甘草酸的提取工艺进行了研究,并研究了甘草酸纯化的工艺,通过影响因素试验和正交试验得出最佳工艺条件为:0.3%的稀氨水为溶剂,液固比为10:1,负压空化提取15min,甘草酸提取率为2.0%,含量6.6%。
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We did a lot of experiments, such as separating, cultivating and appraising pathogetic epiphyte, studying physiological character of pathogen, doing manual inoculation, filtrating indoor medicament, and cultivating confrontation in petri dish. The result of study showed the pathogen was Armillaria ostoyae..
通过对病原菌的分离培养与鉴定、病原菌生理学特性研究、人工接种试验、室内药剂筛选、平板对峙拮抗培养等试验的研究结果表明,引起该病的病原菌为奥氏蜜环菌Armillaria ostoyaeRomagn。
- 推荐网络例句
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But we don't care about Battlegrounds.
但我们并不在乎沙场中的显露。
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Ah! don't mention it, the butcher's shop is a horror.
啊!不用提了。提到肉,真是糟透了。
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Tristan, I have nowhere to send this letter and no reason to believe you wish to receive it.
Tristan ,我不知道把这信寄到哪里,也不知道你是否想收到它。