A field experiment was conducted to study effects of root pruning at returning green stage on population structure, soil water and yield formation of winter wheat.
通过田间试验研究了返青期不同程度根修剪处理对冬小麦群体结构、土壤水分及产量形成的影响。
Ganxin688 was studied for its characteristics of nitrogen absorbability and their impact on the population development and yield formation.
通过不同氮肥运筹方式，探讨淦鑫688的吸氮特性及其对群体发育和产量形成的影响。
This article makes analysis of the factor of population in Qinghai-Tibet Plateau, and the mechanism of the formation of population and environment problems in this area.
本文就青藏高原地区的人口因素及其对该区域人口环境问题形成的机制进行了分析。
During the formation of stalactite and stalagmite in karst caves carbonate minerals often trap gas and aqueous fluids, forming immiscible fluid inclusion population when they are crystallizing.
喀斯特溶洞中石钟乳和石笋在形成过程中，碳酸盐矿物结晶时，常常捕获周围水溶液和气体，形成不混溶流体包裹体组合。
The formation of resting spores plays an important role in population succession, conservation, distribution and dispersal of red tide-causing alga.
休眠孢子的形成对于赤潮藻种群的保存、延续以及分布扩散等均具有重要的意义。
Then analyze the poverty's actuality and cause of formation, especially the relation of poverty population and degradation of environment.
其次分析了农村贫困问题，主要研究了农村贫困的现状及成因，特别是与贫困人口及环境退化的相互关系。
RESULTS:Osteoblasts and osteoclasts changed with different features in the elderly population, although their influences on bone formation and bone resorption were declined gradually.
结果：高龄人群成骨细胞骨形成作用和破骨细胞骨吸收作用对骨骼的影响都逐渐下降，但表现出不同的特点。
Over the medium term, housing activity will stabilize and begin to grow again, if for no other reason than that ongoing population growth and household formation will ultimately demand it.
在中期，房地产市场将会稳定下来并重新开始增长，如果没有其他原因，目前的人口增长和家庭结构最终也会要求实现这一增长。
A field experiment was conducted to study effects of root pruning at returning green stage on population structure, soil water and yield formation of winter wheat.
通过盆栽试验研究了根修剪对冬小麦根系效率、水分利用及产量形成的影响。
Objective:To investigate the relationship between the phenotypic regulation of the rheumatic heart valve interstitial population and the biological mechanism of pathological formation.
目的：研究风湿性心脏病瓣膜间质细胞的表型转化规律，探讨其与瓣膜病理形态发生的关系。
The result shows that eutrophication is the major reason responsible for the bloom formation and the abnormal growth of algae population composes the premise of this procedure.
研究表明：水体的富营养状态是藻类异常增殖的主要原因，而藻类的异常增殖又是＂水华＂发生的前提条件。
It is the fast growth period that the number and the formation of the elder in China in the 21st century. The proportion of the elder in the total population will increase gradually.
21世纪，是我国老年人口数量及人口老龄化的快速增长时期，老年人口在社会总人口中的比重将逐渐增大。
It is the fast growth period that the number and the formation of the elder in China in the 21st century. The proportion of the elder in the total population will increase gradually.
21世纪，是我国老年人口数量及人口老龄化的快速增长时期，老年人口在社会总人口中的比重将逐渐增大。
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