正常重力

超重状态出生大鼠转入正常重力状态后行为和Fos表达的改变

Altered behaviour and expression of Fos in rats born in hypergravity and their re adaptation to the normal gravity

本文通过对地球正常重力场理论公式的分析，认为可以采用GPS测量的大地高进行重力高度改正。

Based on analysing theoretical formula of normal gravity field of the earth , the author holds that the geodetic elevation of GPS survey might ha adopted for cavity altitude correction .

OB的增殖情况：与正常重力组比较，差异有统计学意义（P0.01），模拟失重组成骨细胞的细胞增殖率降低。

The proliferation of osteoblasts : Compared with normal gravity group , the cell proliferation of osteoblasts in simulated weightlessness group was significantly lower ( P0.01 ) .

本文利用落塔和OH-PLIF技术在正常重力和微重力下探测甲烷-空气预混V形火焰，记录了火焰锋面的动态特征。

Methane-air premixed V-flames were detected under both normal gravity and microgravity by using drop tower facility and OH-PLIF . The dynamical behavior of flame fronts was recorded .

取C57BL/6小鼠脾，分离NK细胞，在正常重力和失重状态下旋转细胞两种培养体系中培养NK细胞48h。

The NK cells isolated from C57BL / 6 mouse 's spleen were collected from normal culture in 1G and weightlessness culture ( wc ) in rotating cell culture system ( RCCS ) respectively two days after the wc .

正常重力和椭球地表对弹道计算的影响

Effect of Normal Gravity and Ellipsoid Earth Surface on Trajectory Calculation

伽利略卫星的等势面和正常重力场

Equi potential Surface and Normal Gravity of the Galilean Satellites

计算表明，潮汐对伽利略卫星的正常重力场影响不大。

Calculations suggests that tides raised by Jupiter weakly affect the Galilean satellites .

物理大地测量与地球物理正常重力场的同源性研究

A research on source identity of the normal gravity in physical geodesy and Geophysics

结果表明，微重力蜡烛火焰的温度小于正常重力蜡烛火焰的温度。

The results show that candle flame temperature in microgravity is indeed lower than that in normal gravity .

利用这一方法，讨论了伽利略卫星正常重力场及其在等势面上的分布，以及木星的潮汐对伽利略卫星的正常重力场的影响。

Tidal effects on the normal gravity are also discussed . The authors apply these to the Galilean satellites .

4模拟失重环境和正常重力环梭下，BMPZ诱导产生MwtA的表达比值均较4〔＠导组显著增高。

Under simulated weightlessness , the ALP expression of osteoblasts induced by BMP-2 was remarkably lower than that under normal gravity .

给定参考椭球体的四个基本参数，椭球体产生的外部正常重力位场可利用传统方法确定。

Given four basic parameters of a reference ellipsoid , the normal potential field generated by the ellipsoid could be determined by using conventional method .

为了更精确地考虑地球对超远程弹道计算的影响，提出了一个计入精确正常重力的椭球地表弹道模型。

To consider the effect of the earth on the calculation of ultra range trajectory more accurately , an elliptic earth trajectory model adopting accurate normal gravity is established .

本文以极简单的数学推导，给出了正常重力垂直梯度的实用表达式，并对其精度作出了评价。

By very simple mathematical derivations , the practical expression of ( Vzz ), the expression of normal vertical gravity gradient , and the comment on the accuracy were given .

从惯性导航力学编排方程出发，将高阶重力场模型代替正常重力模型，分析了扰动重力引起的惯性导航误差；

High order gravity field model is used to substitute the normal gravity model in the INS arrange equations , and the influence of the gravity disturbance on the INS is studied .

重力水平的改变使扩散火焰具有不同的特征，微重力和弱浮力等特殊环境下火焰传播机理与正常重力条件下有着明显的不一样。

The diffusion flame in microgravity has different features from the counterparts in normal gravity and the diffusion principles of in microgravity and weak buoyancy environment are obviously different from the ones in normal gravity .

详细分析了载体的加速度矢量，科里奥利加速度，正常重力，姿态误差，偏心改正和时间同步误差对扰动重力矢量的影响。

Then the effects caused by main errors including precise acceleration , Coriolis acceleration , normal gravity , attitude , lever arm corrections , and time synchronization on gravity disturbance vector were investigated and analyzed .

这表明，虽然压力降低，影响燃烧的反应速率，但由于压力降低，浮力减弱，因而，在正常重力环境中也能得到微重力环境下蜡烛火焰所具有的某些特征。

This indicates that the low pressure may not only affect the chemical reaction rate , but it also diminished the effect of buoyancy . So in low ambient pressure we can get some characteristics that exit in low gravity environment .

在微重力环境下，物质有不同于正常重力环境下的运动规律，这为基础物理学、流体科学、材料科学和生物科学等诸多自然科学领域的研究和发展提供了新的方向。

It is generally accepted that matter has different rules of movement in microgravity state from that in normal gravity state , which brings new study fields to the development of such natural subjects as fundamental physics , fluid physics , materials science and biotechnology .

重力水平的改变使正常重力扩散火焰和微重力扩散火焰具有不同的特征，研究这些特征对于认识燃烧基本规律，发展燃烧学基本理论和改善载人航天飞行器的火灾安全均有重要意义。

The diffusion flames in micro-gravity have different features from the counterparts in normal gravity . It is very important to study these features for the understanding of combustion fundamental processes and verifying the existing combustion theories and developing new ones and improving fire safety in spacecraft .