Ecosystems thus involve the circulation, transformation, and accumulation of energy and matter through the medium of living things and their activities.
因此,生态系统以生物及其活动作为媒介,涉及能量和物质的循环、转化和积累。
Well, some of the energy is going to be reflected back, and some of it is going to be transmitted into the second medium.
有些能量会被反射回来,有些则会被传送到第二种介质中。
If the two media have really different densities, like air and water, then most of the energy is going to be reflected back, very little of it will keep going and get transmitted into the new medium.
而如果这两种介质的密度相差较大,就像空气和水那样,那么大部分的能量将会折射回来,只有一小部分会继续传播进入到新的介质中。
But all this stuff, these cross sections are measured as a function of energy, they're measure as a function of the neutron energy which is a function of the temperature of the particular medium.
但是,所有这个材料,这些横截面被测量的,是以能量的函数,它们是测量,中子能量的函数,那也是特定的媒介的,温度的函数。
Energy drinks contain complex carbohydrates - a blend of slow -, medium - and fast-acting sugars - and are able to supply energy to the body over an extended period of time.
能量饮料含有复杂的混合缓慢,中期和快速署理糖,并能供应能量的碳水化合物,以身体一个较长时期内的时间。
The energy of a nuclear explosion is transferred to the surrounding medium in three distinct forms: blast; thermal radiation; and nuclear radiation.
核爆释放的能量将以三种不同的形式传递给周围环境:冲击波、热辐射和核辐射。
A second component, for the medium-term, would scale up financing of energy projects to reduce a country's longer-term vulnerability to high and volatile fuel prices.
第二个中期组成部分将扩大对能源项目的资助,以提高国家承受高涨的和动荡的燃料价格的长期能力。
The viscosity of the liquid medium reflects the ease of mobility, high viscosity, friction will increase, reducing output power, a waste of energy and have a high temperature.
液体的粘度反映了介质流动的难易程度,粘度过高会增加内摩擦阻力,降低输出功率,浪费能量,并产生过高的系统温度。
The hydraulic jack is one kind take the liquid as the actuating medium, makes according to the Pascal principle uses in the transmission energy realizing each craft machine.
液压千斤顶是一种以液体为工作介质,根据帕斯卡原理制成的用于传递能量以实现各种工艺的机器。
Weighing just 1, 600 kg (3, 500 lb), as much as a medium-sized car, theplane powered by four electric motors is designed to save energy from its solarcells in high-performance batteries.
这家飞机配有四台电动机,这种电动机能够节约使用高性能电池内的太阳能电池能源,整架飞机只有1600公斤,约合3500磅,和一辆中型汽车相当。
The body uses the fat in coconut, called MCT, or Medium-Chain Triglycerides, as energy, like a carbohydrate.
身体利用椰子中的脂肪,所谓的MCT,或中链甘油三酯,作为能源。
Battery in medium and large UPS secures the energy for uninterrupted power supplying.
大型UPS系统中蓄电池为交流不间断供电提供了能源保证。
Energy deposition in multilayer medium and the depth dose distribution in the layers are.
本文研究了多层介质中电子束的能量沉积及深度剂量分布。
Because of the continuous energy accumulation of stress concentration units, hardening process of medium emerges.
应力集中单元由于能量的不断积累,介质出现硬化过程。
The dispersion is due to the inhomogeneity of medium, which will lead the energy of sound to deviate from its direction of propagation.
另一部分则是由于声波在不均匀介质中的声散射把能量散射到其他方向,而使原来传播方向上的声波能量减弱。
Following with mechanical energy transmission in medium, mechanical energy flow will be produced when the density of mechanical energy varies with time.
物体中机械能密度随时间变化时,伴随着机械能的传递,存在机械能流。
We can store electrical energy in two metal plates separated by an insulating medium.
电能可储由一绝缘介质隔开的两块金属极板内。
Water dielectric, because of its great dielectric constant and high breakdown stress, is extensively used as the energy storage medium in high power pulse conditioning system.
水介质由于具有介电常数大和击穿场强较高的特点,普遍应用于高功率脉冲调制器作中间储能介质。
Electric boiler, in general terms, it is a principle of electric heating conversion, it is a medium of electromagnetic energy into heat, can also be said to be the way.
电锅炉,通俗来讲,它就是一种电热转化的原理,电磁是它转化成热能的一种介质,也可以说是方式。
The detection result of the relative energy flux rate distribution in the medium can correspond to the theoretical result very well.
用所制作的光纤探头探测散射介质中的相对能流率分布所得的实验结果与理论结果相符合。
Illustrating how to design medium density fiberboard production line to save energy and control the production cost.
以实例介绍中密度纤维板生产线设计环节的节能降耗措施。
In a certain medium structure, the echo energy transmission coefficient changing with the ultrasonic testing frequency is studied and the maximum magnitude is obtained.
得出了在被检测结构一定的条件下,大的回波能量透射系数对应有一最佳检测频率。
Microwave irradiation as a spread medium and calefaction energy sources is widely applied in all fields of science.
微波技术作为一种传播介质和加热能源已被广泛应用于各个科学领域。
Microwave irradiation as a spread medium and calefaction energy sources is widely applied in all fields of science.
微波技术作为一种传播介质和加热能源已被广泛应用于各个科学领域。
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