This article summarizes selenium s nature of being and chemical cycle ,utilizable range of organism,toxicity and toxicosis,transfer process of food chain and so on.
从硒的自然存在与化学循环、硒的生物效应、硒的毒性与中毒、硒的食物链传递等几方面对硒加以综述性的介绍,以对硒进行较全面的认识。
It is shown that a continuous flow with the AASP is chain transitive and some equivalent conditions of the continuous flow with the AASP to be chain recurrent are obtained.
对连续流引入渐近平均跟踪性质概念,证明具有渐近平均跟踪性质的连续流是链传递的,同时对具有渐近平均跟踪性质的连续流给出链回归的几个等价条件。
An error analysis on azimuth data transfer link of a shipborne radar
某型舰载雷达方位数据传递链路误差分析
CONSISTENCY AND NECESSITY OF ENERGY EXERGY EXERGY TRANSFER CHAIN DEVELOPMENT
能·?·?传递链式发展的相贯性及必然性
Power Budgets for Two-way Satellite Time Transfer Link
卫星双向时间频率传递链路中的功率预算分析
An error analysis on azimuth data transfer link of a shipborne radar
某型舰载雷达方位数据传递链路误差分析
To use nitrate as electron donor in the electron transport chain during chemosynthesis.
利用硝酸盐作为化学合成作用中，电子传递链之电子提供者。
To use nitrate as electron donor in the electron transport chain during respiration.
利用硝酸盐作为呼吸作用中，电子传递链之电子提供者。
Research on the Transmission Mechanism and Transmission Path of Supply Chain Risk;
供应链风险的传递机制与传递路径研究
Research and Implementation of Transitive Trust in Windows Environment;
Windows环境下信任链传递的研究与实现
Study on the Propagation of Financial Distress along a Supply Chain;
供应链企业财务困境的传递过程研究
Transmitting the Variable Data Array to the Dynamic chained Library in PowerBuilder;
在PowerBuilder中向动态链接库传递可变数组
Research on Project Supply Chain Risk Transmission and Response Strategies
项目型供应链风险传递及其对策研究
In TCG systems roots of trust are components that must be trusted because misbehavior might not be detected.
信任链则是信任传递的机制。常常采用密码技术。
The Study on the Modulation Transfer Function of Heperspectral Imager Imaging-Link;
超光谱成像仪成像链的调制传递函数研究
Transmission and Metabolism of Paralytic Shellfish Poisoning in the Food Chain of Marine Ecosystem;
麻痹性贝类毒素在海洋食物链内的传递与代谢
The Facilitated Transport of Side-Chain Liquid Crystalline Crown Polysiloxane;
侧链液晶冠醚聚硅氧烷促进传递的研究
Research on the Influence of Information Passing on Supply Chain Member Relationship;
信息传递对企业供应链成员间关系的影响研究
Consumer-Driving Safety Signaling of Manufacturer-Retailer Supply Chain Alliance;
消费者驱动的制销供应链联盟安全信号传递
Supply chain demand information sharing mechanism based on signaling game;
基于信号传递博弈的供应链需求信息共享机制
Discrete Transfer Function Model of VMI Supply Chain;
供应商管理库存供应链的离散传递函数模型