能量转化

摩擦中做功与能量转化的一种模型

A Model of Showing the Relationship between Doing Work and the Conversion of Energy during Friction

不同采食水平下舍饲干奶牦牛能量转化、氮、钙、磷代谢的研究

A study on conversion of energy and metabolism of protein , calcium and phosphorus in dry yaks

生物能学的定义是研究活生物体间的能量转化的科学。

Bioenergetics is defined as the study of energy transformation in living organisms .

饲粮干物质转化率、能量转化率及蛋白效率比都显著高于其它各组（P＜0.05）。

The dry matter , energy conversion and protein efficiency of WB-U diet were also higher .

燃料电池（Fuelcell）是一种将存在于燃料与氧化剂中的化学能直接转化为电能的发电装置，具有能量转化率高，环境污染少的优点。

Fuel Cell is a kind of power generation set which can transform the chemical energy in fuel and oxidant directly into electric energy .

本文通过把W掺杂到TiO2中，改良TiO2的光电性能，从而使DSSC的能量转化效率提高。

In this thesis , photovoltaic performances of DSSCs are improved when W is doped into TiO2 .

燃料电池（Fuelcell，FC）作为可再生清洁能源的一种重要形式，具有能量转化效率高、无污染等优点。

As an important renewable clean energy source , fuel cell ( FC ) exhibits many advantages such as high energy conversion efficiency and near-zero emission .

通过对一个典型的RC电路能量转化问题的分析，展示似稳电路的基本特征。

In this paper , the basic character of the quasi-static circuit is showed by analyzing the energy conversion in a representative RC circuit .

超晶格电子Bloch振荡过程中的能量转化与守恒

The Energy Transformation and Conservation of the Superlattice Electrons in the Course of the Bloch Oscillation

研究了PEMFC的电极过程特性以及对电池能量转化效率和热源的影响。

The characteristics of the electrode process and its effects on energy transfer efficiency and the heat sources of PEMFC were studied .

质子交换膜燃料电池（PEMFC）是目前已存在燃料电池中受到最多关注的能量转化装置。

Proton exchange membrane fuel cell ( PEMFC ) is one of the most compelling energy conversion devices during existing fuel cell .

但是目前EHD等离子体发生器的能量转化效率仍然很低。

However , until now the converting efficiency of EHD plasma actuator is quite low .

将硫化物及复合材料分别用于DSC对电极材料，获得了较高的能量转化效率，同时也降低了DSC电池的制作成本。

Sulfides and their composite materials are used as counter electrode materials of DSC . We have obtained higher energy conversion efficiency , reducing the costs of DSC .

而其中固体氧化物燃料电池（SOFC）是燃料电池中能量转化效率最高的一种。

However , solid oxide fuel cell ( SOFC ) is one kind of highest energy conversion efficiency in Fuel cell .

MFC阴极的作用是接受电子和质子，其性能的改进会显著提高MFC的能量转化效率和功率输出。

Improved the performance of cathode , whose function is to accept electrons and protons , would increase efficiency and power output of the whole MFC .

采用MonteCarlo方法实现能量转化模型的数值模拟，结果表明，微量杂质元素含量的波动对再结晶晶粒长大的影响很大。

And the energy conversion model is implemented with the Monte Carlo numeric simulation method . The simulated results reveal that the fluctuation of trace impurity has strong influence on the recrystallization behavior .

结果表明：该食物链经济产品的物质、能量转化效率较低，生物量转化效率为1.1%，能量转化效率为0.8%，N、P转化效率分别为3.1%、1.5%。

It is shown that the economic products of the food chain had lower material and energy transforming efficiency . The biomass , energy , N and P transforming efficiency were 1.1 % , 0.8 % , 3.1 % and 1.5 % respectively .

在后一浓度下SDS的加入使若丹明6G染料激光阈值降低，能量转化效率提高。

In the latter case , using SDS can reduce the threshold and improve the energy conversion efficiency of the dye laser of Rhodamine 6G .

固体氧化物燃料电池（SOFC）具有高能量转化效率、零污染、零噪声等优点，因此是一种十分理想的可替代能源。

SOFC have the advantages of high energy conversion , zero pollution and zero noise , and is a kind of perfect alternative energy .

文章研究了通讯卫星真空热试验时高功率射频RF的吸收冷却措施及安全策略，即通过RF负载及冷媒，将入射的电磁波能量转化为其它形式的能量（主要是热能）而损耗掉。

This paper introduces the RF absorbing and cooling system , and safety policy , namely by RF load , the energy of incident electromagnetic wave could be turned into other types of energy and dissipated .

燃煤气的闭式STIG循环中气化系统能量转化效率的研究

A Study of the Energy Conversion Efficiency of a Gasification System in a Coal Gas fired

讨论了超晶格电子无阻尼Bloch振荡过程中的能量转化与守恒，并对其机制以及负电阻效应给以定性解释。

The energy transformation and conservation of the superlattice electrons in the course of the Bloch oscillation without damping are discussed and the mechanism is given .

目前，火电厂排放的CO2约占中国CO2排放量的1/3左右，减少其CO2排放可以通过提高能量转化效率和回收封存CO2两种主要方式。

Now , about one third of China 's CO 2 emission is from coal-fired power plants . Carbon mitigation from power plants could be realized by the combination of efficiency boost and CO 2 recovery and sequestration .

C3植物的Fv/Fm、φ（PSⅡ）和ETR值是全天显著大于同时段C4植物，表现了C3植物较高的PSⅡ活性和能量转化、传递效率。

In all-day long , the Fv / Fm , Φ PSH and ETR of C_3 plants were higher than that of C_4 plants notably , it was based on the high PS II activity and high efficiency of energy conversion and energy transmission .

我们同时发现亚油酸会上调细胞中SREBP-2的表达，将细胞氧化的部分能量转化为高能化合物进行贮存。

Linoleic acid could up-regulate the expression of SREBP-2 as it could storage energy by producing high-energy compounds .

依据物理学的基本原理，分析和讨论了RC电路充电过程中的能量转化问题，并运用能量守恒定律回答了电场能量的来源及分布规律。

The paper analyzes and discusses the problem of energy conversion in the charging process of RC Circuit based on the theory of physics . It also accounts for the energy source of electric field and distributing features by means of energy conservation law .

本文从生物量与生产力、能量转化率、营养元素利用率、价值转换效益方面对坡地林农复合系统进行了研究，并用层次分析法（AHP）进行了综合效益评价。

This paper studies the agroforestry systems on slopes from the biomass and productivity , the energy conversion rate , the utilization rate of nutrient elements and the efficiency of value conversion . Moreover the comprehensive benefits of them are evaluated by using the AHP .

低蛋白日粮提高了能量转化效率，使NE值提高2.1%，而Dlys／NE下降2.2%。

Low protein diets can improve energy utilization efficiency from ME to NE , increase NE 2.1 % , decrease ratio Dlys / NE 2.2 % compared with the high protein diet .

介绍了一种新颖的蓄电池恒流放电装置，该放电装置摒弃了传统电阻放电思想，采用功率MOSFET作为主要的能量转化器件，提高了蓄电池放电效率，减小了放电装置的体积、重量和成本。

This paper demonstrates a novel battery constant current discharging device . The device discards traditional resistance discharging idea and it takes the power MOSFET as main power converter . It improves battery discharging efficiency and reduces volume , weight and price .

光合有效辐射（PAR）是影响生态系统能量转化和物质生产的重要生态因子，对其时空格局的研究，有助于深入理解生态系统的生理生态因子变化和光合行为。

PAR ( photosynthetically active radiation ) is an important ecological factor which controls the energy transforming and matter production . It is very helpful to understand the physio-ecological factors and photosynthesis to research the temporal and spatial characteristics of PAR flux of the ecosystem .