碳的

On the basis of 414 soil profiles from 14 provinces, it was found that soil organic carbon, differing from soil inorganic carbon and other elements, has a trend of exponentially decreasing with depth. Integral analysis of exponential curve contrasting with the linear model affords the uncertainties of linear model and exponential model for carbon storage calculation. It was found that the integration of TOC with the linear model has errors between +20% to +100%, much higher than that of the exponential model (-10% to +20%).

在收集分析14个省市414条的土壤剖面数据的基础上，发现土壤有机碳的垂直分布与无机碳和其他元素不同，存在指数分布规律，运用面积积分运算方法发现利用直线模型计算土壤有机碳库的误差(+20％~+100％)远大于指数模型的误差(-10％~+20％)。

In this study, alkylhydroquinone, 10'-heptadecenylhydroquinone [HQ17(1)], isolated from the sap of the lacquer tree Rhus succedanea, was found to inhibit the activity of tyrosinase and to suppress melanin production in animal cells.

在之前的研究中，我们已经由漆树Rhus succedanea的漆液中萃取纯化得到的一个对苯二酚衍生物，此衍生物在第二个碳的位置有17个碳的不饱和碳链，根据其化学结构命名为10′–heptadecenylhydroquinone，并简称为HQ17(1)。

Compared to prior art, the method effectively resolves disadvantage that polymer, which is generated by tetracarbon octafluoride, on side wall of the welding pad is more and not easy to be cleaned, reduces polymer generation on side wall of the welding pad by reducing concentration of the tetracarbon octafluoride and correspondingly adding carbon tetrafluoride.

与现有技术相比，本发明有效解决了由于八氟化四碳产生的聚合物较多而造成焊垫侧壁的聚合物不易被清洗的缺点，在不影响刻蚀效果的前提下适量降低八氟化四碳的浓度，而对应加入四氟化碳，有效减少在焊垫侧壁生成的聚合物，该聚合物更容易在后续清洗制程中清洗干净。

Because the photospheric temperature of carbon stars are less than 3000K and the temperature of rich-dust envelope formed by the mass loss is lower, and therefore most of the energy from carbon stars are radiated between 1 to 60um range, in which the vibrational and ro-vibrational bands of many molecules also lies, the study of infrared spectra in this wavelength range is very important to reveal chemical compositions, dust formation process, the atmospheric structure and evolutionary status of stars.

碳星光球的有效温度不超过3000K，同时较大的质量损失率形成了富碳的尘埃壳层，以致于它的辐射能量主要集中在1—60μm的红外波段上，并且许多分子的转动振动能谱也集中在红外，因此在红外波段的研究对揭示碳星化学成份及其分布、尘埃形成过程、恒星大气结构和演化状态都有十分重要的意义。

By using the pules echo ultrasonic technique with 10 MHz. the ultrasonic velocities of the amorphouse carbon and their pressure dependence have been measured in the pressure up to I GPa. We have calculated its second, third- and combinations of forth-order elastic constants, and have researched its Gruneisen constant.

本文报导了利用10MHz超声脉冲&回波重合法&，测量非晶碳的声速及其在1GPa压力以内的变化规律，得到非晶碳的二阶弹性常数，三阶弹性常数及组合的四阶弹性常数，从而进一步计算和研究非晶碳的Gr？

So the key point of removing carbon dioxide by PSA lied in the development and selection of high quality adsorbent and the design for suitable process flow.The purpose of this paper was to remove carbon dioxide from synthesis gas of synthetic ammonia industry by the way of PSA.

因此变压吸附法脱碳的关键在于高效脱碳吸附剂的开发和选择，以及合理的工艺流程的设计，以实现脱碳过程的高选择性和产品气的高回收率。

Three theories dominate:(1) it is being dissolved in the ocean, and then it precipitates to the sea bottom as carbon rain; or (2) it is being deposited in soils by microbes; or (3), most controversial, the lost carbon is fueling growth of the world's savanna grass, or being turned into tree wood, on an imperceptible but massive scale that we haven't yet been able to measure.

关于失踪的碳的理论有很多，占主导地位的有三个：(1)溶入了海洋，最终作为碳雨沉到洋底；(2)被微生物储存到泥土中；(3)最具争议：失踪的碳悄悄地但规模巨大地促进了世界大草原草的生长，或者变身为树木，而我们还未能对其进行测量。

On the other hand, steam can be used to restrain the side reaction such as hydrogen transfer reaction so as to increase the yield of light olefins by diluting the concentration of the reactant. In addition, minor steam can react with the feed hydrocarbon resulting in the decrease of coke and the formation of active hydrogen without the increase of hydrogen gas and light saturates that is not desirable.

另一方面，水蒸气不仅仅具有降低烃分压的作用，抑制了氢转移反应等副反应，对于低碳烯烃的产率有好的影响，而且在反应过程中，少量参与了反应，与烃类发生了水煤气反应，生成了活泼氢，不仅降低了焦碳的产率，并且没有提高氢气、低碳烷烃等不希望得到的产物。

A Ni/Ce-Zr-Al-Ox catalyst was prepared by hydrothermal synthesis－impregnation method. The CO2 reforming of CH4 reaction was performed. By XPS and TPH methods the carbon species deposited on the surface of catalyst during the reaction were characterized; The effect on the carbon deposit by adding a small amount of steam in feed gas and the interaction between steam and carbon species were studied.

采用水热合成-负载法制备了Ni/Ce-Zr-Al-Ox催化剂，进行了CO2重整CH4的反应，并采用X射线光电子能谱、程序升温加氢等方法表征了在反应过程中催化剂表面的积碳物种，考察了添加少量水蒸汽对积碳的影响以及水蒸汽和表面积碳物种的作用。

Carbon alloys are defined as carbon in multi-component systems the components having carbon in different states of hybridisation or in relationship with other compounds.

或者在与其他化合物一起的关系碳合金作为碳在多零部件系统内确定有在hybridisation的不同状态内的碳的零部件。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。