查询词典 experimental research

We're finding the pathogen in a number places around the country," said Daniel Ploper, a plant pathologist and director of an experimental research station in Tucuman Province."

我们在国内许多地方发现了这种病原体，&担任图库曼省某实验研究站主任的植物病理学家丹尼尔普劳帕说。&

In order to study the influence of the rigidity of unstiffened tubular joints on load-bearing behavior and structural stability,the experimental research on axial rigidity and bending rigidity of the joints was performed,in combination with the practical demands of a steel tubular constructional project.

试验结果表明，当支管与主管直径相差较多时，节点轴向刚度和抗弯刚度均较弱，节点的半刚性能对结构的受力性能尤其是整体稳定性的影响不容忽视；当支管与主管直径接近时，节点轴向刚度和抗弯刚度均较大，基本能够满足节点刚接的要求

Such as: calibrating the laser system, calibrating the measurement region and focusing the CCD camera for the diffuser passage with complex shape, selecting the best incidence angle for the laser sheet,, setting the time parameter including the time between pulses and the time between records, designing the laser system, and selecting water fog with 1～5μm diameter as seedings for PIV measurement after comparing several particles. All of the work is useful to accumulate the PIV measurement experience in turbomachinery. 2. Experimental research of the unsteady flow in diffusers The instantaneous velocity fields within the vaneless and vaned diffuser were measured by using PIV technique.

本文在国内首次进行PIV测量系统对离心风机扩压器内部非定常流动的测量，为此，作者作了必要的实验前期工作：双谐振激光器工作特性的标定；针对扩压器复杂的流道形状，解决了片光源照射区域位置的标定和CCD相机的聚焦等问题；为复杂流道形状的扩压器内部流动的PIV测量选择了最佳片光源入射角度；选择了合适的PIV测量时间参数；为实现非定常内流的PIV测量设计了PIV系统的光路布置；根据非接触测量示踪粒子的选取原则，对几种示踪粒子进行了筛选，最终1～5μm的水雾粒子在本文实验条件下获得最佳效果。

By the use of metal belt typed step-less variator manufactured with self-contained design,an experimental research was carried out on the frictional factor and transmission efficiency of metal belt transmission.

用自主设计制造的金属带式无级变速器，对金属带传动的摩擦因数和传动效率进行了实验研究。

On the basis of experimental research results of four years, the waterchestnut's waer consumpion mes are ex-plored.

0前言马蹄系李弃的别名，为多年生浅水草本植物，是我国南方传统的经济作物之一。

Vast theoretic and experimental research for the WEM application has been done in our country. For example, the calculation of electromagnetic field produced by the high-power transmitter, the receiving of signals transmitted from different distances, the probing for deep structure of the oil field etc.

国内对WEM法的应用已做了大量的理论和实际试验工作，例如，大功率发射台辐射的电磁场计算，不同距离电磁信号发射接收试验，油田深部结构探测试验等。

The paper presents the results of the experimental research on HPM pulse compression at S band by the method of s witched energy storage.

建立了利用储能切换法实现微波脉冲压缩的实验装置并进行了实验研究。

Forty years of re-vegetation, mainly by xerophytic shrubs Artemisia ordosica Krasch and Caragana korshinskii Kom, in the Shapotou Desert Experimental Research Station has established a dwarf-shrub and herbaceous cover on stabilized sand dunes.

：在草原化荒漠带沙坡头地区，利用草方格沙障并栽植灌木柠条和半灌木油蒿对流动沙丘进行固定，经过40a的演变，逐渐形成由矮灌木与草本植物覆盖的固定沙丘景观。

In this paper, by taking the software TransCAD as a platform, an experimental research on the reliability of OD matrix estimation based on SUE model was carried out.

针对这一问题，文章以交通规划软件TransCAD为实验平台，通过所设计的实验对随机用户均衡条件下反推OD矩阵的可靠性进行了研究。

The experimental research results of mortar indicate that admixing and permeating shrinkage reducing agent can all reduce its dry shrinkage and self dry shrinkage effectively.

砂浆试验研究结果表明：减缩剂的内掺和渗透法均能有效减少砂浆的干缩和自干燥收缩：减缩剂的掺入可提高水泥粒子的分散性，改善砂浆的工作性能，但使砂浆的3d、7d抗压强度稍有降低，对28d抗压强度影响不大。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。