重力加速度

The acceleration of gravity is around 980 cm per second.

重力加速度约为 980 cm/sec。

The above-mentioned formulas can provide theoretical support for precise measurement acceleration of gravity and the other physics parameter.

所推导的公式为精确测量重力加速度等物理量提供了理论支撑。

The instrument for measuring acceleration of gravity is redesigned.

1引言目前，测量重力加速度的方法有单摆法和自由落体法。

Acceleration of gravity in the accelerometer's output is eliminated by vector synthesis.

消除了在实际应用中不同坐标系下重力加速度对传感器输出信号的影响。

Two main impact factors on accuracy of electronic balance are discussed based on its working principle: acceleration of gravity and temperature variation.

从电子天平的工作原理出发，探讨了影响电子天平称量精度的2个主要因素：重力加速度和温度变化。

In this paper, with the least square methodt, he equations of pressure, density and acceleration of gravity with radius are obtained in fitting PREM.

通过运用最小二乘法拟合PREM数据，得到了地球内部压强、密度及重力加速度随半径变化的具体函数关系式。

Pressure, density and acceleration of gravity are important parameters in the earth interior. The value of these physical properties is provided by Preliminary Reference Earth Model PREM.

压强、密度及重力加速度是地球内部物质的最重要的物理参数，而"初步参考地球模型"给出了这些物理特性的一些具体数值。

Through analysis of interacting variables in acceleration of gravity and electronic balance measurement results, the method of builtin standard weight compensation and its shortages are brought forward and attach the compensation method on weight calibration.

通过分析重力加速度与电子天平测量结果的相互因素，提出了内置标准砝码的补偿方法及不足，以及外附校准砝码的补偿方法。

A British unit of force equal to the weight of a standard one-pound mass where the local acceleration of gravity is 9.817 meters (32.174 feet) per second per second.

一磅力：英国所采用的力的单位，相当于在重力加速度为9.817米/秒（即32.174英尺/秒）的地区的一标准磅东西的重量

The acceleration of gravity is inversely proportional to the contact angle, and proportional to the surface energy when magnetic field intensity are equal.

接触角测量结果表明，几种表面对3种测试液体的接触角及表面能的变化趋势基本一致；强磁效应使得官能团修饰的钛合金表面接触角降低，表面能提高；磁场强度相等时，重力加速度与接触角呈反比关系，与表面能呈正比关系。

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。