查询词典 density matrix

In addition,the electron density of plasmas were calculated from measured stark broadening of emission spectral line respectively, the effects of the additional voltage on the electron density and the spatial evolution property of the electron density were finally discussed according to the experimental results.

此外，由发射光谱线的Stark展宽计算了等离子体电子密度，并由实验结果讨论电子密度随外加电压的演化特性和空间演化特性。

The effects of three components of energy density on total energy density were analyzed. Furthermore, the energy density equation and the equation of heat conduction were compared.

根据小阻尼假设，推导了无限大板在简谐激励作用下能量密度的控制方程，建立了能量密度和声强之间的关系，得出了远场解的表达式。

With the increase of the carbon dioxide density to enhance the impact on the wheat conductivity and the MAD density, the rise in the CO2 density causes the reduction of the exosmosis conductivity and the increase of the MDA content, the change of which is the same as the exosmosis conductivity.

第三部分是CO2浓度升高对小麦叶片活性氧的影响，再次增加二氧化碳浓度进行实验，观察小麦H2O2含量和超氧负离子自由基的影响，得到的结果是高浓度二氧化碳可以降低小麦叶片中活性氧的含量，因而能够减轻H2O2的毒害作用。

In ordor to weave the varied weft density fabric of which weft distribution pattern is prescribed in sections,the definition field of fabric′s weft density function is divided into continuous and discrete intervals according to the variation characteristics of weft density of fabric.

为织造出分区段设定纬密变化的疏密纬织物，根据织物的纬密变化特点，把织物纬密函数的定义域分成连续区间和离散区间；在此基础上，对于分段连续且可能存在间断点的连续区间，建立了卷取量方程；分析并确定了织物各纬卷取量的解区间，给出了卷取量的求解方法——以解区间足够小为解判据的二分法，并阐明了求解方法在间断点处的有效性；对于由离散点构成的离散区间，给出了区间端点卷取量的取值方法和区间中各纬卷取量的确定方法。

And their improved methods were also researched, for example the force density method with the triangle element transformed the three links, surface stress density method, surface stress density method of sub-structure and nonlinear finite element method of little youngs modulus.

并且对它们的改进方法，比如三角形单元转化成三杆单元的力密度法、面力密度法、考虑子结构的面力密度法和小杨氏模量的非线性有限元法进行了深入的探讨。

An introduction is given to significance of particles bulk volume density , with detailed description of test method and computation formula of coarse particle bulk volume density and fine particle bulk volume density .

介绍了颗粒毛体积密度的意义，详细阐述了粗颗粒毛体积密度和细颗粒毛体积密度的试验方法及计算公

The dry density is the index that represents the density extent of soil body, so there is a relation between the amount of frost heaving and thaw-settlement and soil average dry density.

而土体的干容重是表征比重一定的土体，土颗粒松散程度的指标，因此土体的冻胀和融沉量和土体的平均干容重之间产生了联系。

The normal control group, hyperlipidemia model group, high dose of perilla seed group (2.5 g/kg), low dose of perilla seed group (0.83 g/kg) were designed to measure the contents of total cholesterol, three acids glyceride, high density lipoprotein cholesterol, low density lipoprotein cholesterol, very low density lipoprotein cholesterol and malondialdehyde, superoxide dismutase activity.

方法］采用高脂饮食建立鹌鹑高脂血症模型，分别测定正常对照组、高脂模型组、紫苏籽高剂量组(2.5g/kg)、低剂量组(0.83g/kg)血清中总胆固醇、甘油三脂、高密度脂蛋白、低密度脂蛋白、极低密度脂蛋白、丙二醛含量及超氧化物歧化酶的活性。

Result enunciation:The different density of the nourishment liquid is Peperomia obtusifolia to take root in number and a fresh and heavy performance functions,the water、1/2 nourishment liquids distinguish to express the result best;The different density of the hormone to take root number and a density for fresh and heavyly handlin...

结果表明：用不同浓度的营养液处理豆瓣绿，以1/2营养液生根效果最好，达13.3条，根鲜重达0.093g/棵，清水次之；用不同浓度的生长激素处理豆瓣绿，以30mg/L浓度的3-IBA生根效果最好，生根数达16.5条，根鲜重达0.132g/棵，10mg/L次之；在营养液与激素的互作处理中，清水与30mg/L激素、全营养与10mg/L激素的互作处理分别对豆瓣绿的生根数与根鲜重表现较优。

It is using Neural Network that the hypha density, total sugar density and product density, is estimated by pH and dissolved oxygen.

本文采用神经网络方法，通过pH、溶氧这两个参数来估计菌丝浓度、基质浓度和产物浓度。

The system can be widely used in belt weighing and batching process control,etc.

介绍了基于智能模糊控制的嵌入式配料系统的设计方法，对模糊PID控制过程和系统调零作了重点的讨论，同时给出了PID控制的程序流程图和系统定长调零子程序。

"I dunno," she answered,"but if you show me aroun', I'll recognize it from the lighthouse just outside the porthole."

"我不知道，"她回答说，"如果你能带我转转，我能认出来的，因为灯塔就在舷窗外。"