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Effect of Different Sowing Date and Densities to the Yield of Avena nuda L .Variety Huazao No.2;2. The paper analyses the chromosome karyotype of Avena nuda L .

对莜麦染色体的核型进行了分析，结果表明其染色体数为42，为六倍体，包括11对中部着丝粒染色体，9对近中部着丝粒染色体和1对近端着丝粒染色体，其中有3对染色体带有随体。

By selecting topics like FARMAX, the study of extreme densities, or DATASCAPES, the study of hidden logics, or of INFRASTRUCTURE, the study for the intensified use, or THE LITE CITY, a contemporary Broadacre, one can concentrate.

选择一些课题诸如：FARMAX、高密度研究、DATASCAPE、内在逻辑研究、基础设施、高使用频率研究、THE LITE CITY、当代宽带等等。

In the exploitatation and utilization of Bromus stamineus, we must take the different sowing methods and plant densities into account. They have heavy influences on the forage especially in terms of the forage growth. The salt, temperature and water are important factors that affect the seeds germination,which deciding the germination time and germination place.we designed four temperature (15℃,20℃,25℃,30℃) and NaCl density(0.3%,0.6%,0.9%,1.2%) and PEG density(0.126g/gwater,0.186 g/gwater,0.232 g/gwater,0.270 g/gwater).

引进美国无芒雀麦是农业部948项目&旱生灌草植物资源的引进及开发利用&的引进草种之一，为了合理开发和利用它，本论文对引进无芒雀麦和本地无芒雀麦的种子萌发、田间种植和栽培技术3个方面进行了对比研究，比较了两种无芒雀麦生长特性；结合方差分析，确定了引进美国无芒雀麦种子萌发指标和栽培技术指标。

In enalapril treated group,there were no changes in AT1,AT2 re ceptor mRNA expression and AngⅡ receptor densities.

SHR+依那普利组AT1、 AT2受体mRNA表达及Ang Ⅱ受体密度均无改变。

It was shown that the algal species composition and cell densities in the reservoir varied markedly among the three periods. At present, the algal community in mainstream was dominated by Bacillariophyta, and then Chlorophyceae.

数据显示，蓄水前（2003年1月~2003年6月）、蓄水1周年（2003年6月~2004年5月）和蓄水1.5年（2004年6月~2004年12月）3个时间段之间，被调查水域的浮游藻类群落结构、细胞密度和水质状况均存在一定的差异。

When fed with the mixture of P. donghaiense and the diatom Nitzschia closterium, A. sauna preferred grazing on P. donghaiense to N. closterium, and the GCEs of A. sauna decreased with the increasing density of P. donghaiense. When exposed to A. catenella at the densities of 10 – 10^3 cells/mL, A. sauna lost weight with no Chlorophyll a detected in their guts, which indicated that A.

而当不同密度的东海原甲藻分别与一种硅藻小新月菱形藻混合投喂时，随东海原甲藻密度的增加，卤虫选择性地增加对东海原甲藻的摄食，而降低对小新月菱形藻的摄食，并且其总物质转化效率逐渐降低。

The founding rate of instruments manufacturers rises with the densities of organizational populations that have symbiotic and commensalistic relationships with instruments manufacturers.

仪器制造商的创建速率随着与其共生及共栖的组织成员密度的增大而增大。

Densities and viscosities of the binary mixture of ethyl crotonate with ethanol at different compositions were determined at the temperature range from 293.15K to 343.15K and under atmospheric pressure by using a vibrating U-shaped tube densimeter and Ubbelohde suspended-level viscometer.

在常压下采用U形振动管密度计测定了巴豆酸乙酯与乙醇的混合液在293.15~343.15K下的密度。

The increase and decrease of densities and viscosities will influence the change of vapor pressure and the efficiency of dehumidify.

密之增减会影响蒸汽压之变化，黏则直接会影响其除湿效果，与所需驱动能的大小，本研究之据可作为设计除湿设备之基础考据。

Mongolia has one of the world's lowest population densities and is now being threatened demographically by an urban Chinese civilization next door.

蒙古是世界上人口密度最低的国家之一，它现在面临着邻近的中国城市化文明带来的人口威胁。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。