等温线

It is common to find a close correspondence between the distributional limits

在物种的分布限制与等温线之间找出密切的对应关系是很普通的事情。

Simulation results verify that insulated board can effectively protect the heat from transferring into the foundations, and the frozen table is always around the lower bottom of the boards; the position of the frozen table with insulated boards is higher than that of without; the embank- ment formation has a better effect on the center of embankment, the shoulder and toe of the roads than others; after consideration of the construction effect, the best lay out of the insulated boards is higher than the position of natural ground surface to 0.3-0.6 m; this formation of the embankments is the right effective constructer to be used in the permafrost on the Qinghai-Tibet railway.

通过数值模拟可知：保温板能够有效地阻止热量由路基面向下传入地基中，使0℃等温线始终在保温板底层；复合路基多年冻土上限的位置要比无保温板时的高；该结构形式对路基中心、路肩和坡脚下的多年冻土上限抬升的综合效果更好；考虑施工条件后，复合路基在保温板铺设距离天然地面之上0.3~0.6 m对于路基稳定性最为有利；该路基结构形式为青藏铁路多年冻土区路基的理想结构形式，有利于克服全球变暖的影响。

Thecalculated results show the adsorption quantity for ethanethiol in MFI is much morethan that in MOR under coequal conditions.

利用分子模拟手段，对于 MFI 型沸石，得到的吸附等温线和采用红外光谱所得的实验值基本一致，从模拟的结果来看，所选取的参数是恰当的。

The base extracted samples exhibit significantly higher sorption capacities and more nonlinear than these untreated samples, which suggest that the presence of small amounts of humin and some special carbon materials may be responsible for the observed nonlinear sorption.

结果显示这些样品比原土壤样品具有更大的吸附容量，并且吸附等温线表现出更为明显的非线性，说明土壤中的胡敏素和一些特殊含碳物质等不可提取有机质的确具有较强的吸附能力，吸附过程的非线性现象可能也是它们引起的。

The isosteric heats of adsorption were determined from the isotherms and the factors that influence their variations were discussed.

从等温线确定了等量吸附热并讨论了其影响因素。

The adsorption isotherms of methane, nitrogen, and hydrogen on ordinary activated carbon , super activated carbon , and 5A zeolite were respectively measured by volumetric method in the range of 283K～313K and 0～1. 0 MPa. Isosteric heats of adsorption were calculated from these isotherms basing on Clausius-Claperyron equation.

首先采用静态容积法分别测定了甲烷、氮气和氢气在普通活性炭、高比表面活性炭以及5A分子筛上的吸附等温线，温度范围为283K～313K（间隔15K），压力0～1.0Mpa，并利用Clausius-Claperyron方程获得了各气体组份在不同吸附剂上的等量吸附热。

The adsorption behavior of pure CO2 on silicalite was discussed in detail through the adsorption isotherms, adsorption sites, interaction energies, and isosteric heats of adsorption.

首先基于GCMC模拟从吸附等温线，吸附热，吸附位置，相互作用能等方面详细研究了纯组分CO2在全硅沸石Silicalite上的吸附性质，并与实验结果进行了比较。

Adsorption isotherms were obtained with static adsorption method. Isosteric adsorption enthalpy, adsorption free energy and adsorption entropy were calculated according to the relationship of thermodynamic function. Isosteric adsorption enthalpy was between 29 kJ-mol"1 ~ 34 kJ'mol"1, which reveals that the main molecularly recognition interaction is hydrogen bonding.

通过静态吸附试验，测定了球状分子印迹聚合物对水溶液中茶碱的吸附等温线，利用热力学函数关系计算了球状分子印迹聚合物的等量吸附焓，吸附自由能和吸附熵，等量吸附焓在29.17 kJ·mol~(-1)～34.54 kJ·mol~(-1)之间，推测其分子识别的作用力主要为氢键作用。

Adsorption isotherms of propane, butane, propane and liquified petroleum gas on the quartz beads were determined respectively by means of the method of vacuum weighing , and the relationship between the isosteric adsorption enthalpy change and adsorbance was also reported.

用石英玻璃微珠模拟了HP－1，HP－20M，HP－17毛细管色谱柱内壁，用真空重量法测定了丙烷、丁烷、丙烯、液化石油气样品在3种模拟毛细管内壁表面的吸附等温线，并计算了等量吸附热随吸附量的变化关系。

The isosteric adsorption heat Qst and average isosteric adsorption heat Qst^* under various coverage of the adsorbates were calculated by using Clapeyron-Clausious equation on the isotherms of adsorption.

根据Clapeyron-Clausius方程，由吸附等温线，计算不同覆盖度C的等量吸附热Qst和平均吸附热Qst^*。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。