研究试验
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Existing defects of present quenching tower and process in China's acrylonitrile production plants were analyzed.
针对国内现有丙烯腈生产装置急冷工艺所存在的缺陷,经热模试验、冷模试验分析研究和工业试验修改验证,开发了一种新的急冷工艺。
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The aerostatics response analysis of the full-bridge was done using the three-component force coefficient.
进行了1:60缩尺模型试验,开展了桥面无车状态、桥面有车状态和施工状态下的75个试验工况节段模型测力试验研究,并利用获得的三分力系数进行了全桥静风响应分析。
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Results from the experiment on an EHD experiment bench show that condensation heat transfer in a horizontal tube responds strongly to the EHD technique; the effect is greater for lower heat flux but lesser for higher heat flux; the enhancement coefficient is proportional to the exerted voltage for a constant heat flux and reaches as high as 156% under the conditions described in this paper.
在电流体力学强化传热试验台上进行了水平管内凝结传热的强化试验研究,结果表明,EHD技术对水平管内的凝结传热有明显的强化效果;低热流密度时,强化效果较好,增大热流密度时,强化效果减弱;热流密度维持不变时,强化系数随强化电压的升高而增大;在本试验条件下,对凝结传热的最大强化系数为 1 5 6%。
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Six kinds of superior Leguminosae and grasses including Sweet pea , partridge pea , Utah sweet vetch , meadow brome , yellow bluestem and cambar bluegrass are introduced from the Western and Middle parts of USA with similar climate to the Loess Plateau according to the theory of similarity of climate. The experiments are focused on adaptability, regularity of growth and development, eco-economic values, and technique and model of cultivation of the introduced plants, following the procedure of primary test, regional test and production test.
按照"气候相似论"的观点,选择与黄土高原生态条件较为接近的美国中西部地区,引进了多年生香豌豆、美丽鹧鸪豆、犹他甜苕子、牧场草、黄兰沙梗草、康巴早熟禾等6种优良水土保持草本植物,按照"初选试验—区域性试验—生产性试验"的程序,对引进植物的物候、抗性、生长发育规律、生态经济价值、栽培技术等进行系统研究。
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Using Latin square test, the effect of geometrical parameters on the characteristics of non-overload sewage pump was studied, and the effecting principle of geometrical parameters on efficiency, maximum brake horsepower and its location were researched, the major and minor factors affecting these performance were found out by way of variance analysis, the correction of equation on maximum brake horsepower and its location were also tested.
用正交试验法研究了各几何参数对无过载排污泵性能的影响,探索了各几何参数对效率、最大轴功率值及其位置的影响规律,并通过方差分析找到了影响这些性能的主要因素和次要因素,验证了无过载排污泵最大轴功率值及其位置公式的正确性,根据试验结果对模型泵提出了进一步设计方案,本试验结果对无过载排污泵水力设计有一定的参考价值。
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It has the connection richly, probability, and using CAN characteristics and so on bussing technique, both can realize the bench test data acquisition, and can the full vehicle experiment completely the need, to study and develops the new automatic transmission to provide the important tentative data gathering installment.
它具有接口丰富、可移植性强,并运用CAN总线技术等特点,既能实现台架试验数据采集,又能满足实车试验的需要,为研究和开发新型自动变速器提供重要的试验数据采集装置。
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Through making industrial experiment of zinc nitrate with existing equipments,the industrial experiment s of calcium ammonium nitrate and nitro-composite fertilizer show that the production of a calcium ammonium nitrate and nitro-composite fertilizer exist many problems,and so it is need to improve the process and increase equipments.
通过在现有装置上进行的四硝酸锌工业试验、硝酸铵钙工业试验和硝基复合肥的工业试验研究表明,硝酸铵钙和硝基复合肥的生产都存在许多问题,需要改进现有工艺和增加许多设备。
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In order to understand the mechanism of anti-inflammatory effect of PA and carvacrol, the superoxide dismutase, glutahoine reductase, glutahoine peroxidase activities in liver and malondialdehyde , cyclooxygenase 2 (COX-2), tumor necrosis factor-α levels were eveluated. Also observed inducible nitric oxide synthase and cyclooxygenase-2 (COX-2) expression and the pathological histology in λ-carrageenan induced paw edema in mice.
本研究首先以醋酸扭体试验评估左手香水抽提物及其活性成分香芹酚是否具有镇痛效果,以福马林舔足试验辨别其镇痛作用是在周边或是中枢,再以λ-角叉菜胶诱导小鼠足跖肿胀试验探讨其抗发炎作用,并分析其肝脏组织中的超氧歧化酶、麸胱甘肽还原酶、麸胱甘肽过氧化酶活性、发炎足跖组织中的脂质过氧化指标产物丙二醛、肿瘤坏死因子-α及环氧化酶-2之含量变化,观察诱导型一氧化氮合成酶及环氧化酶-2之蛋白质表现量,并将肿胀足跖做病理切片观察之,以探讨左手香水抽提物及香芹酚之抗发炎机转。
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To break through the current specifications and stand from the angle of materials tests, Ultra fine Fly Ash equivalent to 30% of the cement is added to replace the same amount of cement and the UFA high performance concrete is produced for use in railway bridge projects.
在本文研究中,突破现行规范,从材性试验的角度以30%左右的超细粉煤灰等量取代水泥配制了铁路桥梁用的超细粉煤灰高性能混凝土,并对其力学性能、部分长期性能、水化产物以及水泥石形貌等进行了试验研究。
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He has studied the evidence from 16clinical trials involving thousands of volunteers from across the world, designed to 17investigate Pauling's claim that large doses of Vitamin C fights the common cold.
他研究了过往的临床试验得出的证据。这些临床试验是为研究鲍林关于大剂量的维生素C可防止感冒的说法而设计的,受测者是来自全世界的数千名志愿者。
- 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。