碳

The GC-MS results indicated that a small quantity of lesser carbonnumber of aldehyde compounds were included in the organic compounds of PM, besidesbiggish carbon number of fatty hydrocarbon and volatilizable aromatic hydrocarbon, such asbenzene, methylbenzene, dimethylbenzene and etc.

GC/MS定性分析结果表明，在颗粒物所含有机化合物中，除了含有较高碳数的脂肪烃化合物、芳香族化合物如：苯、甲苯、二甲苯等低沸点易挥发的化合物外，还发现了微量的低碳数醛类化合物。

Previous studies demonstrated that the gluconeogenesis is involved in the pathogenesis of Xanthomonas campestris pv.

糖异生途径的底物大多属于四碳二羧酸，四碳二羧酸的吸收、转运、利用系统可能与病原细菌致病相关。

The extent of intracolonial integration in massive hermatypic corals was investigated by carbon and nitrogen stable isotope analysis. The δ13C of coral tissues were higher than zooxanthellae.

本实验由垦丁地区采集团块状石珊瑚；分析珊瑚群体中不同位置的珊瑚组织及共生藻的的稳定性碳、氮同位素组成，以探讨含碳、含氮物质在珊瑚内之传递现象。

The combined acids , LHZZS,XDZZS and SLZZS, one of four fractions in montan resins from montan waxes from Liaohu, Xundian and Shulan brown coal respectively, were derived by CH 2N 2 to methyl esters and their chemical constituents and structural characteristic were studied on GC-MS.

结果显示，树脂结合酸均以正构烷酸为主要成份，其分布为C1 2 ～C2 8，高含量的正构烷酸集中在低碳数一端，C2 0 含量最高，其次为C1 6 ，而舒兰结合酸中，正构烷酸占绝对优势，且C1 6 为最高含量的化合物；去氢松香酸在每一个样品中含量较低，其它三环二萜酸，如松脂酸、三达松脂酸等异构体或立体异构体含量也非常低；具有五环三萜骨架的酸性物质，在潦浒、舒兰结合酸中比较丰富，其含量超过寻甸结合酸；在低碳数一端，存在着各种支链烷酸及苯甲酸、苯酚及取代物。

Simultaneously we prepared benzimidazolines with two methods by the of reduction benzimidazolium salts with NaBH_4 and Grignard addition with benzimidazolium salts. Thus we provided a new biomimic synthetic method for 13 kind of tetrahydroisoquinoline starting from carboxylic aicd and halid, gave a new idea of the synthesis for new drugs.It can make many kind ofβ-carboline alkaloids which have bioactivity to antibacterium, antivirus and antitumor to start from 1,2,3,4-tetrahydro -β-carboline.

本文以1，3-二甲基苯并咪唑碘盐和2-取代的1，3-二甲基苯并咪唑碘盐为原料，采用了NaBH_4还原和Grignard试剂加成两种方法，制备了13种1，3-二甲基苯并咪唑烷和2-取代的1，3-二甲基苯并咪唑烷作为四氢叶酸辅酶一碳单元转移新模型，在酸性条件下，以2-(3，4-二甲氧基苯基)乙胺作为接收一碳转移的亲核试剂，完成了13种重要的四氢异喹啉类化合物的新合成方法研究。

The difference of micropolar elasticity from classical continuum is that the former incorporates micro-rotation in its deformation formulation and couple stresses in its stresses.

本文综述了碳纳米管国内外研究现状及进展，然后在总结前人研究成果的基础上，应用适合于研究微观力学的微极性弹性理论和非局部弹性理论对碳纳米管的静力学、屈曲以及动力学性能进行了研究。

The soil water content, soil water potential decreased and the desiccated layers grew with the number of growing years of alfalfa.

表层土壤(0-20cm)的轻组有机碳、微生物体碳和氮均随生长年限的增加而增加。

Along with forest succession, the percentage of C and N turnover through fine root to the root, soil and the belowground increases gradually and then decreases.

随着演替的进行，细根每年周转的碳、氮量在根系、土壤和林地地下的碳、氮贮量中所占比例为先增加后减小。

He temperature programmed oxidation study showed that coke was formed over the catalyst on two different sites:(1) deposited on the CPMVs which can be burn off at a low temperature;(2) deposited on the MgO which could only be removed at higher temperature.

PO研究结果表明，积碳在催化剂上有两种存在位置：一种沉积在钼钒磷酸铜表面，这种位置的积碳在低温下容易被烧除；另一种沉积在载体氧化镁的表面，需要高温才能烧除。

The C stock in 0-60 cm soil layer was decreased by 31% after afforested for 5 years, hut increased by 47% and 41% after afforested for 10 and 15 years respectively.

与对照农田相比，5年生杨树人工林0~60cm土壤有机碳储量下降了31%，而10年和5年生杨树人工林土壤有机碳储量分别增加了47%和41%。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新