However, there exists an amount of space on the study of soil surface variation.
而在土壤表层水盐变化规律这方面，仍存在研究空间。
The surface variation and pore structure were observed and measured with SEM and GC CO2 absorption techniques.
用SEM和CO_2等温吸附技术考察了不同转化率下煤焦的孔结构形貌和比表面变化。
In this paper, basing on the profile model of variable electric property, the normal background value is calculated to eliminate the influence of surface variation.
本文以“变化电性剖面模型”为基础，计算出正常背景值，以消除表层变化的影响。
Because the surface variation is more applicable to reflect the properties of point-sample surface than curvature and faster to compute, it is more applicable to deal with point cloud and robust.
由于曲面变分比曲率更适用于反映点云形体表面的性质且计算速度较快，因此该算法更适于处理点云，且具有一定的鲁棒性。
As gallery material, photographs are now essentially no different from paintings concocted entirely from an artist's imagination, except that they lack painting's manual touch and surface variation.
作为画廊的展品，摄影已经与那些完全源自艺术家想象力的绘画几乎没有分别，除了摄影比他们需要更少的技巧。
The wind noise of transmission conductor has been produced by pressure variation caused by the fluid peeling on the conductor surface after wind blowing.
导线风噪声是风吹过导线后，由导线表面的流体剥离所引起的压力变化所产生。
The space that has the white neutral light surface in customary mode is able to be changed dramatically due to the variation of light flow.
通常呈现白色的中性光表面，根据光流的变化能够作出显著的变化。
This paper discussed the variation in the shape and surface state of the carbonyl nickel powder with particulate size.
论述了羰基镍粉末的颗粒形状和表面状态随粒度大小的变化规律。
The time and spatial effects of excavation considering variation of seepage free surface outside of foundation pit were further investigated.
进一步研究了考虑坑外渗流自由面随时间变化的基坑工程时间效应和空间效应。
The program is utilized to calculate soil rocks dam free surface position variation and pore-water pressure distribution condition with time when the up water level position changed.
利用所编写的非稳定渗流计算程序，计算土石坝上游水位变化时自由面位置随时间的变化规律、孔隙水压力的分布情况。
Tolerances cover dimensional variation and surface-roughness range and also the variation in mechanical properties from heat treatment and other processing operations.
公差这个概念既包括尺寸偏差范围和表 面粗糙度范围，也包括由热处理和其它处理操 作所引起的机械特性的变化。
The relation between the correlation function of intensity variation and surface roughness parameter is derived through analyzing the second-order statistical properties of the speckle image.
分析此散斑图像的二阶统计特性，导出了强度变化的相关函数和表面粗糙度参数之间的关系。
The EQCM studies provide quantitative results of surface mass variation and have thrown new light in the elucidating isopropanol oxidation.
EQCM研究还从电极表面质量定量变化的角度提供了异丙醇吸附和电氧化反应机理的新数据。
Firstly, it directly influences the periodic variation of precipitation and air temperature, then influences the periodic variation of runoff based on the underlying surface.
天体运动直接影响降水和气温的周期变化，进而在一定的下垫面条件下，影响径流的周期变化。
The results show that the variation of the scaling layer surface temperature is one of the major factors that cause the asymptotic tendency of scaling process.
结果表明，对恒壁温情况必须考虑垢层表面温度随时间的变化，这一变化是导致结垢过程渐近特性的重要原因之一；
A heat mass transfer model is constructed to take the variation of the scaling layer surface temperature into consideration.
据此提出了考虑垢层表面温度变化的描述结垢过程的传热传质模型。
The effects of surface vertical displacements and gravity changes upon the geoidal height variation have been also discussed.
讨论了表面垂直位移和重力变化对大地水准面高变化的影响。
Moreover, the variation law of mold surface hardness and interface heat transfer coefficient were studied.
另外，研究了消失模铸造法铸型表面硬度、界面换热系数的变化规律。
The basic current has the annual variation under the influences of solar radiation, earth's surface temperature and condensation heatings, all with an annual period.
其次，在具有年周期的太阳辐射、垫面温度及凝结加热的作用下，基本气流以年周期变化。
According to the pressure distribution on the airfoil surface, analysis is made particularly of the airflow around the airfoil and of the variation law of cascade characteristics.
根据叶型表面的压力分布，着重分析了叶型的空气动力绕流和叶栅特性的变化规律。
The variation temperatures of the probe surface are used to determine the cooling characteristics of quenching media.
以探头表面的温度变化情况来分析淬火介质的冷却能力。
Due to the adsorption of amino acid, the modification of morphology such as variation of reconstruction or faceting may happen on the entire metal surface.
吸附了氨基酸的金属表面会发生诸如重构改变或小面化等形貌的变化，但这些变化在吸附了氨基酸的全部金属表面都能够发生。
Therefore, we can predict the variation of the cutting forces during the end mill moving along the ruled surface.
因此，刀侧贴著直纹曲面移动的切削力变化，可以模拟预测。
This paper reports the variation of HDPE surface treated with plasma in various conditions.
应用扫描电镜研究了经不同等离子体条件处理的高密度聚乙烯表面形态的变化。
The seasonal variation of surface heating field is obvious:the intensity is strong in summer and weakness in winter.
地面加热场强度的季节变化明显，夏季强、冬季弱；
This method could be widely used in giant surface wound, blood vessels damage of accepting region, variation of epigastirc inferior vessels, microsurgery skill and apparatus defect.
此法适合于创面巨大、受区血管受损、胸脐皮瓣血管变异、缺乏显微外科技术时应用。
The variation of specific surface area and chemical reactivity of nano KH particles treated at different temperatures has been studied.
考察了纳米尺寸的KH颗粒在不同温度热处理后比表面积的变化及其与化学反应活性之间的关系。
The variation of the mass loss, packing density, surface area, distribution of pore diameter, amount of ash with the cyclical Numbers were researched.
考察了活性炭的失重率、堆密度、比表面、孔径分布及灰分含量随活化次数的增加而变化的情况。
The variation of the mass loss, packing density, surface area, distribution of pore diameter, amount of ash with the cyclical Numbers were researched.
考察了活性炭的失重率、堆密度、比表面、孔径分布及灰分含量随活化次数的增加而变化的情况。
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