查询词典 minimum density

In the simulation model, the cellular automata model is applied to describe the tunnels system, and a cellular is used to represent an energy unit of flame, which is eradiated from the fire-point and contains such status parameters as temperature, velocity, smog density, density of poisonous gases.

在该方法中，用元胞自动机模型描述地下矿巷道网络系统，用元胞来描述火焰蔓延能量单元，该单元用火焰温度、蔓延速度、烟雾浓度和有毒气体浓度等状态参数来描述。

An investigation was carried out in the Huanghai Sea and the East China Sea to reveal the quantitative relationship between the density of flagellates and suspended paticles in the summer of 2001. The results show that the density of flagellates varies from 44 to 12 600 i./cm^3, which can reach a large percentage of the suspended particles.

对2001年8月黄海中部和南部以及东海北部海洋鞭毛虫的丰度及其与悬浮颗粒物的数量关系进行了研究，发现调查区域内的鞭毛虫丰度为44～12 600个／平方公分，它们在悬浮颗粒中所占的比例可达60%以上。

Based on the relation betweenthe current density and the activation energy, the glass-phase exponent 〓the relaxation of current density in 〓times window, the criticalcurrent in a certain criterion of electric field as a function oftemparature infixed field or field in fixed temprature were calculated.

利用交流磁化率测量，得到了Hg-1201和Hg-1223样品的不可逆线，同时系统地研究了交变磁场频率和振幅对交流磁化率损耗峰的影响，并用非线性磁通扩散的模型解释了这些实验结果，从中推得与温度、直流场和电流密度有关的磁通跳跃激活能，由与电流密度有关的激活能推出描述玻璃相的指数μ，在10-5秒～10-2秒时间内的电流密度弛豫，E-j曲线，一定电场判据下的临界电流密度与磁场和温度的关系，从E-j曲线可以看出确实存在&零电阻电流&的玻璃相。

2In order to reduce the randomness of choosing initial centers, this paper puts forward an algorithm of initialing centers called BD which is based on density. According to the whole construction of dataset, the dataset would be partitioned by density first and then choosing initial centers on the basis of some strategies. It will make choosing work more reasonable.

提出了一种初始点选取的算法，即基于密度划分的BD算法，目的是为了减低初始点选取的随机性，它是从数据集的整体结构出发，先通过对数据集进行密度划分，在此基础上按照某种策略选择初始点，使初始点的选择更加合理。

The density of states and charge density distribution are used to study the underlying mechanism of structure and phase stability of ternary Laves phases in Mg-Al-Ca alloys.

态密度和电荷密度的计算用来研究Mg-Al-Ca合金中三元Laves相稳定性的内在微观机制。

Most plastic mulches used in the United States are either linear low-density or high-density polyethylene. They are typically 0.012 to 0.031 mm thick, 122 to 152.4 cm wide, and on rolls 607 to 1463 m long.

在美国使用的大多数塑料薄膜不是长条形低密度的就是长条形高密度的聚乙烯膜，通常厚0.012~0.031mm ，宽122~152.4cm ，每卷长607~1463cm 。

The mean arterial pressurewere measured in each rat.the stereological parameters such as the myocardial surface density、the myocardial volume density、the myocardial specific surface and the mean free path etc.were measured and numerated.

建立腹主动脉缩窄性高血压大鼠模型，测定大鼠平均动脉压、大鼠心肌的表面积密度、体积密度、比表面及平均自由程等各项体视学参数并计算。

This delayed density dependence may also produce cycles in predator and prey abundance; Overcompensating density dependence.

这种延缓的密度制约可能使捕食者和猎物多度之间产生周期。

Overcompensating density dependence occurs where the effect of increased density more than outweighs the initial augmentation.

当密 度制约的效应超过了开始种群数量的增加，称为过度补偿。

The high xylanase producing strain parasitizing on the shelling fresh ramie was screened in the paper.The single factor experiment is carried out on the various carbon sources and density, the various nitrogen and density,the initial pH, the quantity of vaccination,the fermentation temperature and time.

摘 要：本文以去皮的新鲜苎麻为原料，筛选产木聚糖酶的高产寄生菌株，对其碳源种类及浓度，氮源种类及浓度，初适pH值、接种量、发酵温度及时间进行了单因素的试验，并选取影响显著的pH值、接种量、发酵温度及时间进行四因素三水平的正交实验。

Objective:To compare the response control and attention of Schizophrenic patients with that of the healthy controls by Integrated Visual and Auditorycontinuous performance test. To quantitate the impairment of cognitive function in patients, and to explore the relationship between cognitive function and the severity of the disorder.

目的：探讨精神分裂症病人在IVA持续操作测试中的反应控制能力、注意力等，并与健康人进行比较，从而量化精神分裂症病人的认知功能损害，并进一步探讨其认知功能与疾病严重程度的关系。

Main effective factors including subcooling degree, mechanical vibration, gas hydrate reformation, environment temperature, noncondensing gas and surfactant are analyzed.

指出过冷度、机械振动、重复生成水合物、环境温度、不凝性气体、添加剂是影响气体水合物生成的主要因素，还对R152a水合物的放冷进行了实验研究。