容重

土石坝填筑质量可从压实后的干容重与含水量合格率达到设计标准来控制。

For quality control the compaction parameters for earth-rockfill dams may be dry unit weight incorPOrated with the percentage of moisture content up to the design standard .

研究了阳离子性聚丙烯酰胺（CPAM）对水泥净浆抗折强度、抗冲击强度、容重、空隙率和吸水率的影响。

The effect of cationic polyacrylamide ( CPAM ) on the flexural strength , inpact resistance , unit weight , porosity and water absorption of modified cement pastes has been studied .

离心喷雾造粒对VA微胶囊容重和流动性的影响

Effect of Centrifugal Spray Granulation on the Test Weight and Flow Property of Vitamin a Microcapsule

⑵生物有机无机复合肥可降低土壤pH值和土壤容重，提高土壤总孔隙度。

⑵ The last type of fertilizer could decreased soil pH value and soil B.D , increased soil total porosity .

土壤有机碳含量与土壤容重、土壤PH值、不同粒径含量关系显著。

There is significant relationship between SOC and soil bulk density , PH value , different soil particle size content .

~（15）N标记的莴苣残体、废纸浆及容重对土壤反硝化及矿化作用的动态影响

Dynamic effects of soil bulk density on denitrification and mineralisation by ~ ( 15 ) n labelled lettuce residue and paper wastes

生草可以降低表层土壤容重，增加表层土壤有机质含量，提高土壤PH值。

Grass cover decreased bulk density of surface soil ; it also increased organic mater content and PH of surface soil .

土壤容重与有机碳、土壤全氮和微生物生物量C、N之间呈现极显著的指数负相关关系（p<0.01）；

There was significant negative index correlation between organic carbon , nitrogen & soil microbial biomass C , N and bulk density ( p < 0.01 ) .

PS的容重较小，孔隙度较高，在冬小麦收获期表现尤为明显。

The bulk density of PS was small and porosity was large , especially in winter wheat harvest time .

A·B值和比水容量与质地、容重及总孔隙度有密切关系，用A·B值和比水容量的大小可作为土壤抗旱性的综合指标。

A · B or specific water capacity , being interrelated closely with soil texture , bulk density or porosity , could be taken as an integrated index of soil aridity .

结果表明：多功能复合材料可以降低土壤的pH值和土壤容重，提高土壤总孔隙度，提高土壤阳离子交换容量。

The results showed that multifunctional composite can decreased soil pH and bulk density , increased the contents of total porosity , and improved soil cation exchange capacity .

重牧后的恢复草地表层土壤较其它处理有较高的土壤容重和pH值以及较低的过氧化氢酶、脲酶和碱性磷酸酶活性；

Soils in post-heavy-grazing restoration plot exhibit higher bulk density and pH values , and lower Catalase , Urease , and alkaline Phosphatase activities compared to other plots .

生物质炭施用显著增加了表层土壤pH、有机碳和速效钾含量，增加幅度随着施用量的增加而增加；对土壤全氮、速效磷含量没有影响；但是显著降低了土壤容重。

Biochar amendment increased soil pH , organic carbon and available K concentration , with no influence on soil total N and available P , but decreased soil bulk density .

对湛江地区辣椒地土壤取样，测定了容重pH、及有机质、全氮、碱解氮、速效磷、速效钾含量。

Soil sample from the chilli field was taken to determine its bulk density , pH and the organic matter , overall nitrogon , inorganic nitrogen , quick-acting phosphorus and potassium .

游憩活动导致土壤容重增加，土壤孔隙度、水分含量、有机质含量和PH值降低。

Because of the outdoor recreation , the bulk density of soil increases . And the soil moisture , soil porosity , the percentage of soil organic material , the pH-value descend .

与土壤的比重，容重呈显著负相关，r分别为-0.8751、-0.9548。

Ass ( including total coverage , height and species coverage ), significant negative correlation between snail distribution with specific gravity and unit weight of soil , the correlation index was-0.8751 and -0.9548 respectively .

植被的平均高度、盖度、地上生物量和生物多样性指数与土壤养分成正相关关系（p0.05），与土壤容重成负相关关系。

All the plant average height , coverage aboveground biomass and biodiversity has positive correlative relationship with soil nutrient and negative correlative relationship with soil bulk density ( p0.05 ) .

5～15cm土层土壤容重变化不大，非毛管孔隙度增加了1.1%，说明免耕养鸭有利于改善土壤的物理性状。

It showed no-tillage duck-raising was beneficial to improving soil physical characteristics ;

3种恢复模式下群落的土壤养分含量和土壤有机碳储量均显著低于原生群落，而土壤容重和pH值则显著高于原生群落。

Soil nutrient and soil carbon stock of three restored vegetation was significantly lower than that of regional vegetation , while soil bulk density and pH value were significantly higher than that of regional vegetation .

土壤颗粒组成状况显著地影响土壤的速效磷、速效钾、浸水容重、吸湿率、烧失率、pH值等，对土壤紧实度、有机质含量也有一定的影响。

The forest soils particle size composition notability affected validity phosphorous , validity potassium , soggy density , hygroscopic water , ignition loss and pH. Influence also takes place in soil compactness and organism in some extent .

比较两种质地土壤，在相同容重下在砂壤中PCE的饱和度较重壤土中的大。

The PCE saturation in clay sandy was higher than that in the clay loam at the same bulk density .

土壤含水量、有机质、碱解N、速效K、速效P、电导率、pH值与土壤肥力呈现正相关，而容重、总盐则呈现负相关。

Soil fertility was positively correlated with Soil moisture , organic matter , alkali N , available K , available P , conductivity , pH , while soil fertility was negatively correlated with the bulk density , total salt .

随着放牧强度的增加，防护林草地硬度、容重增加，土壤有机质和土壤N、P、K营养元素含量降低。

The effect of grazing on the grassland under woods is relatively great , along with the increase of grazing intensity , soil rigidity , soil capacity , and the nutrient element of N , P , K all decreasing accordingly .

有机质、容重、土壤质地、吸附性能、土壤中重金属的初始含量及CEC对于土壤重金属的释放均有较大影响。

Organic matter , bulk density , soil texture , adsorption capacity and original amounts of heavy metals had great effects on the releases of heavy metals in agricultural soils .

结果表明：该城区绿地土壤的容重较大，孔隙度和田间持水量少，有机质缺乏，养分含量不均，pH值呈上升趋势。

The results were as follows : The soil bulk density was higher , total porosity and field capacity of preserving water were small , organic materials were scant , the content of nutrients distributed uniformly , and the trend of pH value was upward .

结果表明，施入8%泥炭明显有利于改良风沙土理化性质，表现为土壤容重、总孔隙度、pH值、全N、碱解N、速效P、速效K明显改善；

8 % peat treatments greatly improved the aeolian sandy soil physical and chemical characteristics . Soil bulk density , total porosity degree , total N , alkali N , available P and K increased , and soil pH value decreased to be little acid or neutralized .

利用炉渣、锯末、半腐熟麦草栽培油松时，最佳配方为炉渣（≤5mm）、锯末、腐熟麦草比例为4：3：1，其容重为0.47g/cm3，仅为圃地土的41%。

The optimal direction is expressed as : 4:3:1 for slag (≤ 5mm ), sawdust and half decayed straw if they are employed for Chinese pine .

其主要研究结果如下：1.设施番茄连作降低了设施土壤pH值，土壤容重，增加了土壤电导率，提高了土壤中有机质含量、碱解氮、速效磷和速效钾的含量。

The main research results as follows : 1 . The value of soil pH and soil bulk density decreased , and electrical conductivity , content of organic matter , available nitrogen , available phosphorus and available potassium in soil increased under continous cropping of protected tomato .

利用珍珠岩、腐殖质土培育油松苗，效果最好，最佳配方为珍珠岩、腐殖质土比例为3：2时，其容重0.34g/cm3，仅为土壤容重的30%，PH值为5.98。

The best culture results could be achieved with the direction of perlite and humus soil with a ratio of 3:2 . Its ' bulk specific gravity of the substrate is 0.34 g / cm3 , accounts for only 30 % of soil , and pH-value 5.98 .

免耕土壤容重和硬度增大，总孔隙度、非毛管孔隙度和有效P、K降低，放线菌和真菌数量减少，而土壤细菌数量增加，酶活性增强。

Soil analysis showed that in no-tillage fields , soil bulk density and hardness were increased , soil porosity and available P and K were decreased , the amount of actinomyces and fungi was reduced , while that of soil bacteria was increased , and the enzyme activity was promoted .