查询词典 porosity

Finally, the continuous mullite fibers with little porosity are prepared.

最终可以得到有较低孔隙率的莫来石连续纤维。

With a self fluxing capability and noncrystalline structure, cored wire s of Fe B system for arc spraying have been developed and the resulted coatings possess good bonding strength, low porosity, high hardness and resistance to wear.

利用自熔性合金与非晶态材料的特点，研制了Fe B系管状丝材作为电弧喷涂材料，其形成的涂层具有良好的结合强度、低的孔隙率、高的硬度和耐磨损性能。

Foam ceramic was a new nonmental porous material , it has 70%~90% porosity and three dimension solid net framework structure.

泡沫陶瓷是一种孔隙率高达70%~90%，具有三维立体网络骨架结构和贯通气孔的新型非金属多孔材料。

It was discovered that the lower polymer concentration, appropriate nonsolvent content, small molecular weight PVP additive and litter longer dry journey were propitious to obtain the porosity and high flux separation membrane.

聚合物浓度低、添加适量的非溶剂、以小分子量PVP为添加剂及干程稍长都将有助于得到多孔性、高通量的分离膜。

Qaidam basin is located in north of Qinghai province, and it is a large Mesozoicand Cenozoic oleaginous basin ,the total acreage is about 12×104km2. Sanhu regionin east of Qaidam basin is explored and founded the Quaternary biogas, the thicknessof Quaternary strata is 3200m;the diagenesis is in low degree, high porosity and highpermeability;the sand and mud are interbeddings, sand is reservior and mud is gassource rock and cover rock;stock size of Quaternary biogas achieve 12476×108m3 ,the explored geological reserve is 1472×108m3, the third class reserve is about 3500×108m3. It is the region where founded the largest scale of biogas in the world.

柴达木盆地地处青海省西北部，是我国西部一个大型中新生代陆相含油气盆地，总面积约12×104km2，柴达木盆地东部的三湖地区主要勘探第四系生物气藏，第四系地层厚3200m；地层成岩程度低，高孔高渗；第四系砂、泥岩互层，其中砂岩为储集层，泥岩为气源岩和盖层；第四系生物气资源量达12476×108m3，已探明地质储量1472×108m3，三级储量约3500×108m3，是目前世界上第四系发现生物气规模最大的地区。

Oolite lime sand packs naturally with 40% porosity because the particles are essentially spheroids.

自然堆积的灰质鲕粒砂具有40％的孔隙度，因为其颗粒其本上都是球状的。

The effect of the roasting temperature on the properties of filter material such as pore size distribution,specific surface area and open porosity rate was investigated.

研究了焙烧温度对滤料孔径分布、比表面积、显气孔率等性质的影响。

The results showed: Sown grass in plum orchard could increase soil organic substance,total N,available N,available P,and available K 9%,43%,22.7%,19.3%,19.9%,respectively.Moreover,it could increase soil porosity and field water content.

研究表明：李园生草平均提高土壤有机质含量9%，全氮含量提高43%，速效氮、磷、钾分别提高22.7%、19.3%、19.9%；还可增加土壤田间持水量和孔隙度。

Based on the pressure curve experiment, the physical characteristic of ore-bearing rocks of the Luoba lead-zinc deposit in the Qinling Xicheng deposit field shows small porosity, low permeability and bad link ostiole in the ore-bearing rocks series. The feature indicates that the physical characteristic of ore bearing is unfavorable for forming the Luoba lead-zinc deposit.

采用压汞分析技术对秦岭多金属成矿带西成矿田洛坝铅锌矿床含矿层各岩系的物性特征进行了研究，结果表明含矿层各岩系物性特征具有孔隙度小、渗透率低、孔喉连通性差的特点，这一特征对洛坝大型矿床的形成是极为不利的。

Based on modern optimization theory and optimal control theory, this dissertation studies some questions as follows:1. The optimization model of parameter identification of three-dimensional geologic history numerical simulation, algorithm and its applicationGeologic history numerical simulation is a basic content of basin numerical simulation, and the porosity is the major parameter in the evolution and development process of oil-bearing basin. According to the sedimentation and burial mechanism, the physical and chemical principles of oil geology, the mudstone porositys non-linear parabolic partial differential equation has been established.

本文应用现代最优化及最优控制理论，对如下一些问题进行了研究： 1、三维地史数值模拟的参数辨识优化模型、算法及应用地史模拟是盆地数值模拟的一个基础性的研究内容，地层孔隙度是含油气盆地地史演化发育过程中的重要参数，根据地层沉积埋藏机理和石油地质的物理化学原理，通过引入数学物理方程概念，建立了泥岩三维孔隙度场方程，根据问题的特点，给出了方程的定解条件，对方程的动边界也给出了处理方法，并且证明了解的存在性与惟一性，在此基础上建立了以当今实测数据为拟合准则的三维地史数值模拟的参数辨识优化模型，这是一个含有二阶偏微分方程约束的泛函极值问题。

Putt your way through 36 fun-filled holes of minigolf on 3D designed courses with elevated greens, bunkers, bridges and water hazards, among other crazy obstacles.

您的推杆方式，通过36个有趣的填孔迷你的三维设计的课程，以提升绿党，掩体，桥梁和水的危害，除其他疯狂的障碍。

Some participles can be used either as attributes or as predicatives.

有些分词既可当定语用，也可当表语用。