This not only tested the forest dynamics model but also verified the theory of stand density effect.
通过本文的研究既检验了林窗动态模型又印证了林分密度效应理论。
Site type and stand age can significantly influence the paper properties whereas silviculture density effect isn't significant yet.
其中，造林密度对木材造纸特性的影响不显著，年龄、立地类型均显著地影响造纸特性。
The study was carried out on the density effect of lawn plant a and the distribution of weeds around it with the frame model mainly according to sunlight.
以光照为主要依据建立了研究框架模型，对草坪植物a的密度效应及其杂草分布情况进行了研究。分析了A草密度与杂草分布之间的相互关系及其生态学成因。
Although urban rail transit has considerable advantages, it still has a long way to go until it exerts density effect and dimensionality effect of the cyber economy.
城市轨道交通虽然具有诸多优点，但要使其发挥运输业网络经济的密度效应和幅员效应，我们还有相当长的路要走。
The differences between the two reciprocal equations of the competition-density effect in nonself-thinning populations and self-thinning populations were analyzed theoretically.
对在无自然稀疏和有自然稀疏状况下有关植物群落的竞争密度效应的两个倒数方程的差异进行了理论分析。
Although its visual effect is so pronounced, dust is only a minor constituent of the material, extremely low in density, that lies between the stars.
尽管它的视觉效果如此显著，但尘埃只是位于恒星之间的物质的一个次要组成部分，其密度极低。
Since then, technologists have improved the effect, and it is now widely used to detect the tiny patches of magnetism that store information on high-density disk drives.
从那时起，技术人员不断地完善这个技术的效果，现在被广泛用于检测在高密度磁盘驱动器中存储信息的微小磁性小块。
It controls the over production of cortisol by the adrenal glands, which include the effect of reducing the immune response, bone density and increase blood pressure.
它通过肾上腺控制分泌过盛的皮质醇。压力也会削弱免疫应答、骨骼密度，还会增高血压。
Some studies have suggested a link between cellphone use and cancer, lower bone density and infertility in men. But other studies show no effect at all.
一些科学研究称癌症，骨质疏松，男性不孕症都与手机使用有关系，但也有研究结果表示这些病与手机使用并无直接关系。
Extreme weather events are also likely to have a more destructive effect in future decades, as population density increases due to reasons unrelated to climate change.
在未来几十年，因为与气候变化无关的原因使人口密度增加，极端气候事件可能更具破坏性。
In Johannesburg, the exact same shot would either fly over the crossbar or hit the wall, as the lower air density reduces both drag and the effect of spin.
在约翰内斯堡，完全相同的射击既可能比球门飞得高也可能撞到人墙，因为更低的空气密度既降低了拖曳力也降低了旋转效应。
Conclusion NGF increases the density of the cholinergic fibers in AMI rat and might have the possible effect on the treatment of AMI.
结论神经生长因子能增加大鼠心肌梗塞后胆碱能神经纤维的密度，可能对心梗有治疗作用。
The effect of hormone replacement therapy on oxidized low density lipoprotein levels and paraoxonase activity in postmenopausal women.
绝经妇女中激素替代疗法对低密度脂蛋白和对氧磷酯酶活性的影响。
Product exterior level off, smooth, high volume density, good thermal conductivity, excellent energy saving effect.
制品外观平整、光滑、体积密度高，具有良好的导热性，节能效果优异。
When the current density is too low, the cathode polarization effect, smaller coating, not even orange crystal bulky coating.
当电流密度过低时﹐阴极极化作用较小﹐镀层桔晶粗大﹐甚至没有镀层。
This effect is no mystery as raw plant foods are generally low calorie density high fibre foods which are very filling - ideal for weight loss - and was confirmed by a six-month trial in South Africa.
这种效果也没什么神秘 ，生机植物食品，一般所含热量低而纤维多，非常容易饱，是理想的减肥食物，在南非6个月的试验证实了这一点。
Objective: To study the proliferation promotion effect of very low density lipoprotein on mesangial cells of SD rats.
目的：研究极低密度脂蛋白对SD大鼠系膜细胞的促增殖作用。
"The effect of population density on life satisfaction was therefore more than twice as large for low-IQ individuals than for high-IQ individuals," they found.
他们发现“人口密度对低智商人群在生活满意度上的影响是高智商人群的两倍。”
Objectives: To evaluate the ablation effect of hydrochloride acid and the dependence relationship among density dosage and range of ablation.
目的：探讨盐酸对组织的消融凝固作用，盐酸浓度、剂量与消融凝固范围之间的关系。
We concluded that the combined effect of gap size and bamboo cover would influence the density, structure and spatial pattern of the tree seedlings.
林窗大小和华西箭竹盖度的综合作用对优势树种幼苗的结构和分布格局产生影响。
There was no density dependent effect in egg period.
实验结果表明：二斑叶螨卵期不存在密度效应；
Many environment mathematical models are ordinary differential equations where time is considered only as its effect on population density.
许多环境数学模型是用常微分方程表示的，它只考虑了时间对种群密度的影响。
Inductive effect causes electron density of Carboxylic cardon atom in Carboxylic acid to change.
诱导效应可使羧酸中羧基碳原子的电子云密度发生改变。
Current density has great effect on the surface morphology.
电流密度对铸层表面形态有较大的影响。
The results showed as follows. The effect of density and nitrogen on effective flower numbers reached very significant level, and their interaction reached significant level.
结果表明，密度和施氮量对有效花朵数的影响达到极显著水平，其交互作用效应也达到显著水平。
Li battery have the good features of small size, high power density, no memory effect, long cycle life, high voltage and low self-discharge.
锂电池具有体积小、能量密度高、无记忆效应、循环寿命高、高电压电池和自放电率低等优点。
Li battery have the good features of small size, high power density, no memory effect, long cycle life, high voltage and low self-discharge.
锂电池具有体积小、能量密度高、无记忆效应、循环寿命高、高电压电池和自放电率低等优点。
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