查询词典 density function

When the pump shell memory there is air, because air density is much less than the density of the liquid resulting from a smaller centrifugal force.

当泵壳内存有空气，因空气的密度比液体的密度小得多而产生较小的离心力。

Using quadratic orthogonal rotation design,this paper establisheda mathematical model of density change during self-thinning for Cunninghamia lanceolata plantation,and theinner law of density change during self-thinning for Cunninghamia lanceolata plantation were analyzed.

进一步应用数量化理论I分析杉木人工林自疏过程密度变化与环境因子间的相互关系，确定影响杉木林自疏过程密度变化的主要环境因子为海拔、坡位和林分平均胸径，从而为杉木林自疏机制的定量描述提供了依据。

Ionization Potentials and electron affinities of 103 elements are calculated by density functional theory at local density approximation level and the LDA/AN level with further non- local corrections for exchange and correlation included self- consistently.

应用密度泛函理论的 DFT- LDA、 DFT- LDA/NL和改进的 Slater过渡态方法，把元素的电离能和电子亲合能的计算扩展到周期表的 103种元素。

According to technical staff on-site observation and investigation, resulting in a large area rotten seaweed seedling disease and the main obstacles to growth are as follows: by the autumn of high temperatures and earlier typhoon, the local ecological environment of the sea change in the short term; area of stocking density is too large, artificial breeding raft density plane, resulting in poor water exchange.

根据技术人员对现场的观察和调查，造成紫菜大面积烂苗症和生长障碍的主要原因有：受秋季高温天气及前段时间台风影响，局部海域生态环境短期内发生变化；海区养殖密度过大，养殖筏架人为设置密度过高，导致海水交换不畅。

In the Eogene and Neogene, Qaidam Basin experienced the multiphase tectonic movement; the paleoclimate evolved from warm-humid to arid; the water in the basin was gradually salinized; the depocenter migrated from west to east. The master factors and developmental characters of lithologic hydrocarbon reservoirs have their own particularity. Taking the fine exploration zones of the southwest hydrocarbon-rich depression in Qaidam as the key point, with the analysis of source-rock distribution, sedimentary evolution and sedimentary system distribution, the author proposes that the density difference increases after the fluvial water enters, then clam and bar sand bodies are formed easily due to density flow. Highstand system tract and transgressive system tract below the maximum flooding surface are the main exploration areas of lithologic reservoir.

柴达木盆地古近纪－新近纪经历了多期构造运动，古气候由温湿向干旱演变、湖盆逐渐咸化、沉积中心由西向东迁移的演化过程，地层岩性油气藏的主控因素和发育特征有其特殊规律，以柴达木盆地柴西南富油气凹陷精细勘探区带为重点，通过分析烃源岩展布、沉积演化和主要沉积体系展布，提出咸化湖盆在河流入湖后因密度差较大，易形成密度流等成因的各类滩坝砂体，最大湖泛面之下的高位体系域、湖侵体系域是地层岩性油气藏的主要勘探领域。

This method looks for representatives first, and calculates their density, and then introduces the density information into the distance computation between each two representatives using a new distance formula. The nearest pair of representatives is called abut-points that are linked by a line.

该方法首先寻找可以反映数据空间的几何特征的代表点，然后计算每个代表点的密度，再按照本文提出的一种新的距离公式计算每两个代表点之间的距离。

The experimental research on the EAF probability density has shown that the emission characteristics of gasoline engine can be defined by the probability density, which has correspondent relations with catalyst efficiency index. The catalyst efficiency can be predicted through the calculation, so it is useful to the catalyst application.

过量空气系数概率密度的试验研究表明以概率密度对汽油机排放特点进行量化，通过它和催化转化器综合效率指数的关系，推测催化转化器效率情况，对匹配研究具有指导意义。

Are many kinds of composite doors, which is based on solid support or within the framework of doing, paste of high-density fiber panel, or medium density fiberboard, particleboard and other synthetic materials, the final surface and then affixed with a wood grain and color of paper or PVC film made of.

复合的门品种很多，它是以实木做内支撑或框架，贴上高密度纤维面板或者中纤板、刨花板等人工合成材料，最后表面再贴上带木纹和色彩的纸或PVC软片做成的。

"Its mean density is only about 0.2 grams per cubic centimeter, or about the density of balsa wood," said study leader Georgi Mandushev of the Lowell Observatory in Arizona.

&其平均密度只有约每平方厘米0.2克，或者说相当于轻质木材的密度，&研究小组组长、亚利桑那州洛厄尔天文台的乔吉·曼德舍夫说，&由于该行星对上层大气的引力相对较小，很可能其中部分大气呈慧尾状而逃逸掉。&

The weight and percentage of plated metal of metallized fiber can be derived from measuring the weight and volume of metallized fiber via the density formula and the law of conservation of mass with konwing the density of plated metal and the basic fiber.

通过测定表面金属化纤维的质量和体积，利用密度公式和质量守恒定律，只需知道表面金属和基材纤维的密度即可推导出镀层金属的质量和表面金属化纤维的质量分数。

Metrorrhagia is also gynaecological problems of common diseases.

崩漏是妇科常见病也是疑难症。

WordFTP gives you the convenience and timesaving you need.

wordftp让您的方便和省时您所需要的。