Subsoil tillage was an effective way to improve and utilize the compact soda-alkaline land with high soil bulk density.
深松措施可作为土壤紧实、容重较高的苏打盐碱土改良与高效利用的有效耕作方式加以实施。
The results indicated that green coverings improved soil physical characteristics, soil bulk density decreasing by 5.68% and the soil porosity increasing by 6.15%.
结果表明：生草可改善土壤物理性状，使土壤容重平均降低5.68%，总孔隙度提高6.15%。
To improve efficiency and veracity of soil sampling in testing bulk density, the cutting ring method and in situ soil tube method were combined and a multi-segment in situ soil sampler was designed.
为了提高土壤容重测定中土样采集的效率和精准性，将环刀法和原状取土管法结合，进行了分段式原状取土器的研制。
Low grain weight and bulk density.
容重、千粒重较低。
For pellets or granules, use the bulk density.
对于丸状或是颗粒状药剂，使用体积密度值。
The catalyst with big size and low bulk density is prone to expand.
大粒径、低堆密度催化剂易膨胀；
Maize straw returning to the field also decreased soil bulk density.
秸秆还田还降低了土壤容重。
It is similar to normal expanded perlite in color, bulk density and specifications.
产品色泽、容重、规格类似于普通膨胀珍珠岩。
So the effect of plant roots should be considered in the calculation of soil bulk density.
在土壤容重计算过程中，应考虑植物根系的作用。
The effects of different temperatures on compressive strength and bulk density were studied.
主要探讨了不同的烧结温度对试样的耐压强度和体积密度的影响。
The porosity, bulk density and cold crushing strength of the refractory samples were determined.
讨论了气孔率、体积密度和常温耐压强度与电熔氧化镁加入量之间的关系。
The bulk density of PS was small and porosity was large, especially in winter wheat harvest time.
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 method to measure the bulk density of compact bituminous mixture is always disputed among researchers.
沥青混合料压实试件毛体积密度的测定方法一直在道路工作者中间存在争议。
The vertical transport of nitrate-N was also affected by the soil bulk density and the organic matter content.
土壤容重和有机质含量对硝态氮的垂直运移有很大的影响；
Crispness, bowl life, WAI, WSI, bulk density, solid density, and expansion ratio were analyzed as the main indexes.
选取脆性、保脆性、WAI、WSI、体积密度、固体密度和膨化度为主要指标进行研究。
There exists a heat transfer mechanism of air convection in the range of bulk density of high loft nonwoven fabrics.
在高膨松性非织造布的体积密度范围内，有空气对流传热机理存在。
Effects of solvent-solute interaction detail, solvent bulk density, and solute size on the excess PMF are investigated.
调查了溶剂-溶质相互作用势、溶剂密度、溶质粒子尺寸对过量平均力势的影响。
Then, the bulk density, porosity, the type of pore and clay content in the soil affected the soil moisture diffusivity.
土壤容重、孔隙大小、孔隙类型及土壤颗粒组成中粘粒含量对土壤水分扩散率都有一定的影响。
If the sintering temperature increases properly, the bulk density would increase and the crystal grows into better shape.
研究发现，随着烧结温度升高，陶瓷体积密度增大，有利于晶体的生长以及陶瓷致密化。
The soil bulk density and moisture content are main factors influencing the draft resistance and power consumption of tractors.
土壤容重和含水量是影响机具耕作阻力和能量消耗的主要因素。
By sieving the rice husk particles (RHPs), the paper presents the loose and the tap bulk density of different sizes of rice husk.
通过对稻壳粉进行筛分，测量了不同粒径稻壳粉的松散堆积密度和振实堆积密度。
The research results show that the incipient motion and the erosion of cohesive deposits are greatly influenced by the dry bulk density.
研究结果表明：干容重对粘性淤积物起动和冲刷的影响非常大。
At a specific layer of a jig bed, its parameters as bulk density, true density, ash content, and density fractions bear a certain relationship.
跳汰机床层某一位置的散密度、真密度、灰分、各密度级含量等床层参数之间存在着一定的相互关系。
Methods To determine the maximum dose of adjuvant, select formula, prepare powder, and detect hygroscopicity, Angle of repose and bulk density.
方法确定加入辅料最大量，选择处方，制备药粉，测定吸湿量百分率、休止角、堆密度。
The apparent porosity and water absorption were the lowest, the bulk density and heat-resistant property were the highest after dipping for 4 times.
材料性能随浸渍次数增加而优化，浸渍4次的显气孔率和吸水率最低，体积密度和热稳定性最高。
With the increase of sintering temperature, the apparent porosity of sample decreases, while bulk density, hardness and compressive strength increased.
随烧结温度的升高，材料的显气孔率降低，而体积密度、硬度和抗压强度均增加。
With the increase of farming years the degradation of nutrients, texture and bulk density weakened the soil abilities of water and fertility retention.
随耕种年限的增加，耕地在养分、质地以及容重退化的同时保水保肥能力降低。
The optimal production parameters were confirmed through orthogonal test by using specific surface area and loose bulk density as assessment indicators.
以陶粒的比表面积和松散容重为考核指标，通过正交试验，确定了陶粒的最佳制作工艺参数。
Correlation coefficients between the thermal conductivity and bulk density, open porosity, permeability and raw material grade was obtained respectively.
另外，还计算了导热系数与体积密度、显气孔率、透气度和原料等级之间的相关系数。
Correlation coefficients between the thermal conductivity and bulk density, open porosity, permeability and raw material grade was obtained respectively.
另外，还计算了导热系数与体积密度、显气孔率、透气度和原料等级之间的相关系数。
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