Research on the Method and Device for Fast Testing Permeability and Compactability of Green Sand and Compaction of Mould;
湿型砂透气性、紧实率及铸型紧实度快速测定方法与装置研究
This study evaluated urban soil compaction degree by comparing three compaction indexes, i.
通过测定南京市不同土地利用下的52个样点的紧实度、容重和孔隙度3个压实指标来反映城市土壤的压实程度。
Permeability, compactibility and mould compaction are important performance characteristics of green sand and mould.
透气性、紧实率及铸型紧实度是湿型粘土砂及砂型的重要性能指标。
The results were:after C lanceolata plantation,the moisture content increased,bulk density decreased,compactness decreased,physical and chemical characters were improved,the content of organic matter increased,the content of rapidly available phosphorus and soil pH value decreased,the content .
对云南屏边 6、 13及 18年生杉木人工林林地土壤理化性质的调查分析结果表明 :种植杉木后 ,林地土壤含水量增加 ,容重降低 ,紧实度减小 ,土壤物理性状有改善的趋势 ;土壤有机质逐渐增加 ,速效P、pH逐渐降低 ,而水解N在杉木生长后期有上升趋势 ,速效K则变化规律不明显。
Effects of soil compaction on the chlorophyll fluorescence parameters and growth of Malus hupehensis seedling;
土壤紧实度对平邑甜茶幼苗生长及叶绿素荧光参数的影响
Effects of soil compaction on grain yield and quality of wheat;
土壤紧实度变化对小麦籽粒产量和品质的影响
The results showed that the increase of soil compaction depressed plant height of cucumber seedling significantly after planting 15 days;the width and length of the forth leaf after fix planting 9～17 days increased;stem thickness of plants,biological yield,economic yield,economic coefficient and total absorptive capacity of .
6 g/cm3的土壤进行盆栽试验,研究了土壤紧实度对黄瓜生长、产量及养分吸收的影响。
Effects of soil compactness on ginger plant senescence.;
土壤紧实度对生姜植株衰老的影响
Responses of root activity and leaf photosynthesis to soil compactness stress were studied in cucumber plants grown in pots.
结果表明:当土壤紧实度增大时,黄瓜根系重量减小,活力下降。
Pot experiments were condueted on both sandy and clay soils treated with different bulk densities to investigate the effect of soil compactness on cotton (G.
３ｇ／ｃｍ３是棉花形成高生物学产量、较高经济系数，从而达到最高经济产量的理想土壤紧实
Research on Device for Fast Testing Permeability and Compactibility of Green Sand and Compaction of Mould;
湿型砂透气性紧实率及铸型紧实度快速测定装置研究
Effect of Soil Compactness on Growth and Physiological Characteristics of Ginger;
土壤紧实度对生姜生长及生理特性的影响
The Effect of Soil Compaction on Root Growth and Root Activity of Malus prunifolia Seedlings
土壤紧实度对楸子幼苗根系生长及活力的影响
They found volatilization of dieldrin tended to decrease as bulk density increased.
他们发现狄氏剂的挥发常随紧实度的增加而减低。
Effect of soil compaction on root characters and nitrogen metabolism of potted seedlings of Pingyitiancha (Malus hupehensis)
不同土壤紧实度对平邑甜茶根系特征及氮代谢的影响
Spatial-temporal variability of soil hardness and effect of soil hardness on other soil properties in rotary tillage in Guanzhong farmland
关中地区耕作方法与土壤紧实度时空变异及其效应分析
Effects of Soil Compaction on Photosynthetic Parameters and Water Use Efficiency of Malus hupehensis Seedling
土壤紧实度对甜茶幼苗光合参数和水分利用率的影响
Experimental Study on Relationship Between the Vibration Parameters of Compaction Table and Sand Fluidity,Filling ?Compaction Densities for the Expendable Pattern Casting Process (EPC).
实型铸造用振实台激振参数与干砂流动性态、充填性及紧实度关系的实验研究
compactness, compactedness
紧密性,紧密度,密实度,充实度
Was his present instinct genuine or the product of a heightened nervousness?
他目前的本能是真实的，还是高度紧张的结果？
Research on Process Experiment of Cold Heading Mould of High-duty Screw Fastener
高强度紧固件GM钢冷镦模具加工工艺实验研究
pressure roller
压紧辊，压实辊，压紧辊轮
We should continue to carry out an appropriately stringent monetary policy& make timely& proper slight readjustment.
继承实行适度从紧的货币政策，搞好适时适度微调。
His real feeling was belied to a certain extent by his strained, pale face and somewhat hazy stare.
他那紧张苍白的脸和茫然的眼神，一定程度上掩饰了他的真实心情。
In judging his conduct, we must keep sight of the fact that he was under great strain at the time.
在判断他的行为时，我们必须考虑到这样一个事实：他当时过度紧张。
While returning more farmland to forests and grass, we should implement without delay the national plan for the conservation of grasslands.
加大退耕还林还草力度。 抓紧实施全国草原生态保护建设规划。
Wrap-around Side Clamp Device: Help make perfect lasting on waist area.
包覆式压边装置---挟持楦头定位稳固，内腰弧度更佳紧密贴实。
3. the concentration of BLA and Ang II in the blood plasma. The experimental results run as follows.
(3) 血浆中血管紧张素Ⅱ的活性和血乳酸的浓度,实验结果如下: