So for example, that might have a formal charge of negative 1, because to some extent it has gained that much electron density that it now has a formal charge that's negative.
比如，可能它的形式电荷为负一，因为在一定程度上它得到了这么多的共用电子密度，那么它现在就有了负的形式电荷。
For instance, salt domes appear as negative anomalies because rock salt is of a lower density than all consolidated sediments.
例如，盐穹表现为负的重力异常，因为比起所有的固结沉积物，岩盐具有较低的密度。
The body density has a negative correlation with the cross-sectional areas of the thigh, but positive correlation with fat ratio.
运动员身体密度与大腿断面各组成的面积均呈一定的负相关，而体脂率与其呈正相关。
Negative correlation between tannin content and larvae density of X. rusticus was obvious.
单宁含量与青杨脊虎天牛虫口密度之间存在比较明显的负相关性。
Regulation of self- thinning is that relationship between DBH and average density of population accords with negative power function.
樟子松种群自疏规律为：平均胸径与密度的关系符合负幂函数模型。
On'certain production level and within the range of mass capacity plant height keeps significant negative correlation with plonting density.
在一定生产水平和群体容量范围内，株高与密度呈明显的反相关。
For instance, time machines often are thought to need an exotic form of matter with so-called "negative energy density."
例如，通常时间机器被认为是需要一种奇异的有着所谓“负能量密度”的物质。
This problem demonstrates why the energy density of gravitational field is negative.
本题演示为何重力场的能量密度是负的。
The electronic structure of quasi one dimensional disordered system is studied by the computation of the density of electronic states with the help of the negative eigenvalue theory.
利用负本征值理论的态密度计算方法，研究了准一维双链无序系统的电子结构。
The size and density of stomata are of negative correlation.
气孔大小与密度成负相关。
Electroplating technological parameter includes factors of ampere density, temperature, PH value, stir, negative and positive pole. The maximum influencing factor is ampere density.
电镀工艺参数主要包括电流密度、温度、PH值、搅拌、阴阳极和换向电流等因素，其中影响最大的是电流密度。
The current density and potential distributions were obtained by measuring the IR drop in electrolyte on the two kinds of negative plates.
利用测量电解液中IR降以计算电流密度的方法，测量了两种负极板的电流电势分布。
Taking the grazing ecological systems as an example, the positive and negative feedback of the density dependence population regulations was analysed.
以放牧生态系统为例，本文分析了系统组分种密度相关的种群调节中的正、负反馈和机制。
The aerated foam mud fluids can used in negative drilling, and enlarge the life of drilling bits for its low density, and low sap pressure.
充气泡沫泥浆由于比重低，液柱压力低，实现了负压钻进，能大幅度提高机械钻进，延长钻头寿命。
Negative coefficients occur where there is a downward decrease in velocity and density: for example, at the top of an over pressured shale diapir.
只有当速度和密度向下减少时，例如在超压页岩穿刺体的顶部，反射系数才会出现负值。
The correlation coefficient was negative between size and density of stoma.
气孔的大小与气孔密度呈负相关。
The density of Manchurian linden and the tree-crown -nesting birds shows the conspicuous negative correlation.
椴密度与树冠营巢鸟类的种类存在显著负相关关系。
Both the Numbers of tree species and tree density decreased as height class or diameter class increased, fitting both negative exponential and negative power equations.
树种数和树木的密度都随高度级、径级的增加而呈负指数或负幂函数递减。
Infiltration rate of soil and infiltration time have power function, but between the infiltration rate and soil bulk density, they have a negative correlation.
土壤入渗速率与入渗时间呈幂函数关系，但入渗速率与土壤容重呈负相关关系。
There was negative correlation between the plasma concentration of Fg and high-density lipoprotein cholesterol.
纤维蛋白 原浓度与高密度脂蛋白胆固醇浓度呈负相关。
By directly measuring the exchange current density, the effect of surface copper coating of metal negative electrodes on electrocatalytic activity were investigated.
摘要通过测量表面覆铜的贮氢合金电极的交换电流密度，初步讨论了覆铜层对贮氢合金的电催化活性的影响。
CG concentration in mother blood with ICP is negative correlation with vascular density of ICP in placenta and deciduas.
ICP患者外周血甘胆酸浓度与蜕膜、胎盘血管密度呈负相关。
The blending volume of negative density difference displacement is much less than that of the positive density difference displacement.
负密度差顶替时掺混量比正密度差顶替小。
The blending volume of negative density difference displacement is much less than that of the positive density difference displacement.
负密度差顶替时掺混量比正密度差顶替小。
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