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And at the beginning of the scintillation, the plasma has a large vertical velocity, which can also cause the uncertainty of the zonal drift velocity.

另外,在闪烁刚发生时,不规则体纬向速度起伏较大,这可能与不规则体的随机起伏以及等离子体泡产生时垂直速度较大有关。

To the drill press next to ensure the holes were perpendicular.

以演练新闻界明年,以确保洞垂直

In this paper, ADAMS and ANSYS software are used to build the model of drill stem and dynamically simulate the distortion of drill stem in vertical well.

本文利用ADAMS软件和ANSYS软件,建立了钻柱模型,动态模拟了垂直井眼中钻柱的受力变形,直观准确地再现了钻柱与套管壁接触的全过程。

The bigger horizontal infiltration distance resulted in greater loss of soil evaporation with the dripper discharge of 8 L/h.

滴头流量的大小直接影响土壤水分在水平和垂直方向的动态。

It was proposed that the requirements should be satisfied for the models of designing dripper discharge when applied in engineering design.

滴头间距对垂直滴灌管方向和湿润锋交汇处土壤水分均匀性有一定影响,但影响不大。

The results indicate that dripper discharge has more influence on the horizontal distance of soil wetting front than that on the vertical one.

结果表明:滴头流量对湿润锋水平运移的影响比对垂直运移的影响大;地表积水区的变化对土壤湿润锋水平运移有控制作用。

In order to know the effects of mulch-drip irrigation on soil enzyme activities of saline-sodic soil with shallow water table, activities of alkaline phosphatase, urease, and invertase around the dripper, within 30 cm in horizontal direction and 40 cm in vertical direction from the dripper during the reclamation process, were investigated. Changes and distribution of soil enzyme activities, also their relationships with principal soil environment factors were studied.

为了解地下水浅埋区重度盐碱地覆膜滴灌对土壤酶活性的影响,测定了重度盐碱地在滴灌利用过程中距离滴头不同水平位置(0~30 cm)和垂直深度(0~40 cm)的土壤碱性磷酸酶、脲酶和蔗糖酶活性,并对土壤酶活性的变化、空间分布特征及与土壤环境因子之间的相关关系进行分析。

Irrigating water supply had more effects on the moisture uniformity than dripper discharge in soil along the vertical drip irrigation pipe direction and intersection of wetted front.

灌水量对垂直滴灌管方向和湿润锋交汇处土壤水分均匀性的影响比滴头流量对其影响大。

By mono-factor analysis of the point drip infiltration,the horizontal and vertical movement distance of soil wetting front were not only in close relation with dripper discharge and drop water,but also had good power functional relation which exists with the soil characteristic ( soil density, soil initial moisture).

以室内试验为基础,测定了重壤土、中壤土、砂壤土在不同滴头流量、不同灌水量下的点源入渗运动过程,通过对点源入渗特性的单因子分析表明,湿润锋水平、垂直扩散距离不仅与滴头流量、灌水量关系密切,与土壤特性(土壤容重、初始含水率)也存在良好的幂函数关系,得出了以土壤物理参数和湿润比及湿润深度为基础的点源滴灌滴头流量的设计模式

The measurement method includes adopting two vertically superposed position sensors and one capacitive sensor to measure the time for the liquid drop to pass through, adopting a frequency counter to count frequency and adopting microprocessor to calculate the liquid drop volume.

其方法是采用两个垂直重叠的位置传感器和一个电容传感器,测量液滴下落经过的时间,并由频率记数器对频率记数,而由微处理器计算出液滴体积。

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年美国个人破产法的一个改动使得破产登记急速下降,而后引起了信用卡大规模的亏损。

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Lao Qiu is the Chairman of China Qiuyang Translation Group and the head master of the Confucius School. He has committed himself to the research and promotion of the classics of China.

老秋先生为中国秋阳翻译集团的董事长和孔子商学院的院长,致力于国学的研究和推广。