Taking the henhouse as semi-obturation system, dynamic conservation of NH3 in henhouse under ventilation condition was analyzed based on the law of conservation of mass.
利用物质守恒原理，以鸡舍为半封闭系统，分析了鸡舍内NH3在通风状态下的动态守恒情况。
Based on the mass conservation law, the energy conservation law and some empirical equations, the dynamic model is built.
根据基本的质量守恒定律、能量守恒定律以及一些经验公式等建立了系统的动态数学模型。
Dynamic monitoring soil erosion is one of important task in soil and water conservation management.
土壤侵蚀动态监测是水土保持管理工作的主要内容之一。
The theoretical dynamic simulation models for stationary flow and transient flow under the isothermal and non-isothermal condition are set up based on the three conservation equations.
以流体力学三大守恒方程为基础，建立了等温和非等温条件下的燃气管网稳态和动态仿真理论模型。
The dynamic system model is coupled with geothermal heat exchanger model and heat pump unit model, which is based on the conservation of mass and energy.
采用确定性模型法建立了热泵机组的模型，然后通过能量和质量守衡方程序建立了系统动态耦合模型。
With the support of GIS software, remote sensing plays an important part in the simulation of soil and water conservation dynamic monitoring, in the building of soil and water co…
在地理信息系统软件支持下，遥感可在水土保持动态监测的模拟、水土保持地理信息系统的建立和土壤侵蚀模型的探索等方面发挥重要作用。
Soil dynamic parameters are essential in guiding agriculture production, engineering design for soil and water conservation and irrigation works.
土壤水动力学参数对指导农业生产、水利和水保工程设计是必不可少的。
Based on consulting the document of standardization, analysing economic effect of soil and water conservation measure in accordance with the dynamic state and static state.
在参考规范性文件的基础上，对水土保持措施进行经济效益静、动态分析。
And expand energy conservation to achieve scenic, dynamic management and analysis, active assistance, passive detection, security black box functions.
并扩展实现景区节能减排、动态管理和分析、主动求助、被动探测、安全黑匣子等功能。
The United Kingdom has a strong economy, dynamic financial sector, advanced science and technologies; and it leads the world in energy conservation and environmental protection.
英国经济实力强劲，拥有活跃的金融系统和先进的科学技术，在能源和环境保护方面出于世界领先地位。
The establishment of the national conservation of water and soil foundation database is the guarance for dynamic monitoring and forcast in the soil erosion.
建立全国水土保持基础数据库，是实现水土流失动态监测和预报的基本保证。
The basic principle and application in dynamic inspecting of water and soil conservation in drainage area of 3S is introduced in this paper.
介绍了3S技术的原理，阐明了其在小流域水土流失动态监测中的应用。
According to the momentum conservation law, the dynamic equations of dual-arm space robot system were established through Lagrange equation of the second kind.
依据系统动量守恒关系和拉格朗日第二类方程，推导了漂浮基双臂空间机器人系统的动力学方程。
The national soil and water conservation monitoring network provided basic security for dynamic monitoring and proclamation.
全国水土保持监测网络初步建成，为动态监测和水土保持公告提供了基础保障；
Based on the conservation laws of matter and energy, the dynamic equations governing a land surface system are derived;
根据物质守恒和能量守恒这个大自然的共同法则，建立了陆地表层系统的动力学方程组。
Based on the conservation laws of matter and energy, the dynamic equations governing a land surface system are derived;
根据物质守恒和能量守恒这个大自然的共同法则，建立了陆地表层系统的动力学方程组。
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