研究试验

Research on water hammer characteristics of air valves Research on water hammer characteristics of air valves has been studied in experiments by establishing mathematical model of the air valve, using suitable method of numerical calculation, and comparing the experimental outcomes with theoretical analysis.

空气阀特性研究试验研究了作为水锤防护装置的空气阀的特性，建立了空气阀数学模型，通过合适的计算方法进行数值计算，并与试验进行了比较。

Structural Experiment is a basic subject in the Structural Engineering Major, which weighs heavy to the studying researchers on the experimental data accompanied by the former researchers" achievement and lucubration. And the experimental scope is expanding wider, so that making full use of each laboratory"s experimental equipment to conduct the collaborative experiment is also the developing trend. With the rapid development of the computer and network technology, hardware technique has provided the accessible condition for the Structural Experiment, and database technique has offered the convenience and possibility for the experimental results and datas save and data exchange.

结构实验是结构工程专业的一门基础学科，而且随着研究的深入，前人的研究成果，特别是研究试验数据对于继续研究的人员来说有特别重要的意义，并且实验规模也在不断扩大，充分利用各个实验室的实验设备条件进行协同实验也是发展趋势，随着计算机技术以及网络技术的飞速发展，硬件技术都为这一切提供了可行的条件，数据库技术为结构实验提供了保存实验结果、实验数据以及实验数据交换提供了便利和可能。

Hardware of machine vision system is constructed, experiment plan of how to obtain crop and weed images in natural lighting is designed based on the experiment environment.

介绍了机器视觉系统的硬件组成，构建本研究试验所需的机器视觉硬件系统，并根据试验环境和试验要求设计了图像采集的实验方案，在室外自然光照条件下获取作物与杂草图像。

The experiment conducted to study on seed germination of L.~* L.formolongi by using PEG solicitation and low temperature soakage.

本文对新铁炮百合进行了种子发芽的研究试验，试验采用PEG引发处理和低温浸润的方式。

The result showed that the effect of replacing tap water by distilled water, replacing analysable sucrose by common white sugar, replacing cone bottle by general bottle on tissue culture is very little. However, it can reduce the cost of tube culture seeding.

培养基简化试验的研究试验结果表明，用自来水代替蒸馏水、普通绵白糖代替分析用蔗糖、普通果酱瓶代替三角瓶制备培养基，对试管苗分化和增殖的影响甚微，但是却能大大降低成本，提高经济效益。

The results have indicated that the composition of the medium for Lactobacillus fermentum and Lactobacillus plantrum is 2% sucrose, 0. 5% peptone and 11% soybean powder.

在乳酸菌增殖培养的研究试验小，利用正交试验及混料回归试验，确定了增殖培养基的组成成分和各成分的配比，其最佳配方为2％蔗糖、0.5％蛋白胨、11.0％大豆粉。

Any pedicular screw fixation/attachment to the cervical, thoracic or lumbar vertebral column of this device is considered investigational and may only be investigated as a significant risk device in accordance with the Investigational device exemption regulations under 21 CFR, Part 812, All users of the device for pedicular screw fixation/attachment must receive approval from their respective institutional review boards and the Food and Drug Administration prior to conduct of the investigation.

任何用此装置来固定/连接腰椎，胸椎，和腰椎间的螺丝，将被视为是研究试验，并且视为极其危险装置的研究试验。按照联邦法规全书21章第812条关于研究性装置免责条款所规定，所有螺丝固定/连接装置的用户在接受研究试验前，必须得到他们各自机构的研究委员会的批准和&食品和药品管理局&的批准。

Also, clinical trials may study the absorption, distribution, metabolism, and excretion as well as the pharmacodynamic interaction of investigational agents.

此外，临床试验可能研究试验药物的吸收，分布，代谢和排泄以及药物的相互作用。

Part 1 Effect of different AAPs at the duodenum on the metabolism and utilization of the amino acids in PDV tissues and in liver and on the concentrations of plasma hormones in IMWC goats In Exp. 1, six wethers of IMWC goats (21-23kg) with the same father, fitted with permanent cannulas at the proximal duodenum, and with femoral artery, mesenteric, portal and hepatic venous catheters were used to study on the metabolism and utilization of the amino acids in PDV tissues and liver of IMWC goats fed diets with different dietary AAPs at the duodenum. In Exp. 2, nine wethers of IMWC goats (21-23kg, 1. 5 years old) with the same father were used to study on the effect of different AAPs at the duodenum on the concentrations of plasma hormones and other biochemical indexes.

试验共分两部分：第一部分：不同氨基酸模式对绒山羊PDV组织、肝脏氨基酸代谢和血液激素水平影响的研究试验1 选用6只体重21～23kg，产绒量约400g，处于生绒旺盛期的1.5周岁内蒙古白绒山羊半同胞羯羊，研究不同小肠可吸收氨基酸模式对绒山羊PDV组织氨基酸代谢的影响；试验2选用9只绒山羊，研究不同小肠可吸收氨基酸模式对绒山羊血液激素等生化指标的影响。

The Maximum Yield Research experiments had been conducted in India at three centres of work viz. Punjab Agricultural University, Ludhiana, Tamil Nadu Agricultural University, Coimbatore and C.S.

自1986年最高产量研究试验在印度三个试验中心进行，即：卢迪亚纳的旁遮普农业大学，哥印拜陀的泰米尔纳德农业大学和坎普尔的 C.S。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。