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In order to investigate the effects of free air CO2 enrichment on rice and wheat canopy energy balance and water use efficiency, filed experiments were carried out from 2002 to 2005 using the FACE system in Jiangsu province for rice and wheat canopy micrometeorology observations.

为研究大气CO2浓度增高对水稻和小麦冠能量平衡和水分利用率的影响,本项目利用建立在江苏的我国唯一的FACE系统为试验研究平台,以作物冠能量平衡理论为基础,将冠小气候田间试验与理论分析相结合,定量分析了FACE条件下水稻和小麦冠能量平衡各分量的变化特征。

Also, what each layer does internally is completely hidden to other layers and this makes it possible to change or update one layer without recompiling or modifying other layers.

此外,每一没有什么是完全隐藏在内部的其他,这使得有可能更改或更新而不需要重新编译或修改其他1也不例外。

Therefore, the composite liner should be significantly better than the geom. embrane liner and the CCL as an engineered hydraulic barrier. However, close contact between the geom.

因此, 复合衬在防止渗滤液和污染物泄漏方面较土工膜衬和压实粘土衬具有明显优势,可作为卫生填埋场防渗衬的优先推荐结构。

In this paper, the mechanisms of the generation, migration and production for coal seam gas are researched and the geological model for coal seam gas reservoir simulation is presented, according to the theories and methods of coal seam gas geology, petroleum geology and dynamic of fluids through porous media. A three-dimensional, dual-porosity, two-phase, pseudo-steady, non-equilibrium sorption mathematical model is established with the help of petroleum reservoir numerical simulation method. After that, this complex mathematical mode is approximated and solved by finite-difference and fully implicit methods. Coal Seam Gas Reservoir Simulation software in 1. 0 version (CSGRS 1. 0) with Chinese interface of pre-and post-processing function is developed.

本文应用煤气地质学、石油天然气地质学和渗流力学等学科的理论和方法,研究了煤储中煤气的生成、储集、运移和产出机理,概化出了煤气储模拟的地质模型;以油气藏数值模拟和数值计算方法为工具,建立了描述三维、双孔隙、非平衡吸附、拟稳态条件下气-水两相流体混相运移规律的煤气储模拟的数学模型;详细推导出了该数学模型的全隐式求解方法;并借助计算机技术开发了具有中文操作界面的煤气储数值模拟软件CSGRS 1.0,实现了这一复杂数学模型的数值求解。

The experimental result shows that when the discharge time was more than 1.5μs, small crack emerged in the fuses due to mechanical force on the heated fuse, and the metallized layer would be evaporated as the crack became long enough to generate disruptive discharge. When the discharge time was less than 150ns, small crack emerged in the fuses due to the current heat, and the metallized layer would be evaporated as the crack became long enough to generate disruptive discharge.

实验结果表明:当熔丝的通流时间大于1.5 ms时,电流热效应产生的机械力使安全膜熔丝的金属产生微小裂纹,当裂纹达到一定长度,两端发生击穿放电,金属因蒸发而断开;当熔丝中通过较大的电流时,短时间内(50 ns)的电流热效应使熔丝金属发生熔化产生裂纹,裂纹两端发生击穿放电,金属因蒸发而断开。

Results indicate that the observed salt fluxes under the two wind conditions show a marginal difference. Under the steady wind condition, a DBL with a constant thickness of 3.5 cm is observed right above the deposited sediment. The molecular diffusion is found to be the dominant mechanism for salt transport within the DBL. The latter can suppress the hydrodynamic enhancement on the exchange of substances between deposited sediments and overlying water.

研究结果表明,在稳定风场条件下,沉积物-水界面处存在厚度约3.5cm的扩散边界,有风条件下的界面盐分交换通量略大于无风时的通量;分子扩散是边界内盐分运移的主要机制,扩散边界对沉积物盐分释放具有阻滞作用,并且边界越厚,阻滞效应越显著。

Has three above the arch dometo encircle the porch, highest is an exhibition room, here wasdemonstrating concerns the Arc De Triomphe each kind of historicalrelics as well as the Napoleon life story picture; Second iscollecting each kind of French medal, the medal; Lowest is Arc DeTriomphe's security guard place and the counting house.

在拱形圆顶之上有三围廊,最高一是陈列室,这里展示着有关凯旋门的各种历史文物以及拿破仑生平事迹的图片;第二收藏着各种法国勋章、奖章;最低一则是凯旋门的警卫处和会计室。

Thus,the standard for reservoir dividing and sorting is established combining with the data as core experimental analysis,logging,well log,well testing and geologic studying. This paper describes the reservoir distribution in wells and predicts 3-D reservoir distribution of Archaeozoic reservoir in the Chengbei-30 burried hill with 3-D seismic inversion.

为此,岩心、录井、测井、试井结合建立了储集划分和分类标准,识别描述了井点储集的分布;以井点储集为约束条件,应用三维地震反演技术,预测了埕北30潜山太古宇油藏的储集三维空间展布。

It shows that The correlation between the two outgoing electron and the ion play a more important role in the mechanism of this ionization. 2. The auger and the autoionization process of the inner shell are theindirect processes of the ionization that correspond the relaxation and the double excitation of the inner shell. Taouil et 〓 guesses that these processes are included in the mechanism of the ionization. The present theoretical results showthat the influences on the inner shell ionization of these processes are notimportant.

说明在内壳的高非对称的动能区域,被电离电子与离子以及末态两个电子之间的角关联在这个电离动力学机制中扮演了重要的作用 2、内壳的饿歇过程和自电离过程为间接电离过程,对应于碰后相互作用的离子弛豫和内壳的双激发,Taouil et al的实验〓认为包括在电离的机制,我们的计算表明它们对内壳(e,2e)反应的影响并不很重要。

In outside cable an armored cable has its sheath covered with three protective layers: a vinyl jacket, a steel wrap, and another vinyl jacket.

电缆外部,包皮电缆的外共有三保护覆盖:一是乙烯基护套、一是钢外套,另一是乙烯基护套。

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推荐网络例句

Lugalbanda was a god and shepherd king of Uruk where he was worshipped for over a thousand years.

Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。

I am coming just now,' and went on perfuming himself with Hunut, then he came and sat.

我来只是现在,'歼灭战perfuming自己与胡努特,那麼,他来到和SAT 。

The shamrock is the symbol of Ireland and of St.

三叶草是爱尔兰和圣特里克节的标志同时它的寓意是带来幸运。3片心形叶子围绕着一根断茎,深绿色。