碳化

Soil organic carbon mineralization is closely related with carbon cycle in terrestrial ecosystem and global climate change.

土壤有机碳矿化与陆地生态系统碳循环和全球气候变化密切相关。

The oxidation of C=C double bond in 4-isopropylideneC〓-trishomocubane-8, 11-dione was studied. Ozonolysis of that double bond was arrived and the ozonide was found much more stable than ordinary ozonides.

详细研究了4—异亚丙基—C〓—三高立方烷—8，11—二酮中碳—碳双键的氧化反应，实现了双键的臭氧化分解，并发现其臭氧化物具有不寻常的稳定性。

The results showed:1The 6 main products are all fourmemberring compounds produced through the cleavage of double bond of nopol;2Accompany with oxidations of the double bond and tertiary hydrogen in the ozonization,there are other reactions at more indepth levels.

分析结果表明：这6个主要产物都是诺卜醇分子中双键断裂后所形成的四元环类化合物，诺卜醇臭氧化时除了碳碳双键、叔氢被氧化外，还伴有其它更深层次的反应。

We show that the combined oxygen and carbon isotope systematics are identical to those of well-understood Phanerozoic examples that lithified in coastal pore fluids, receiving a large groundwater influx of photosynthetic carbon from terrestrial phytomass.

他们得出一个引人注目的结论：这些氧和碳同位素的组合体系与我们非常了解的显生宙样品中的相同；显生宙样品岩化在了沿海的孔隙液中，接受着含有来自陆地植物质的光合作用碳的地下水流入。

By using three broad distribution standards of polytitanocarbosilane whose number average molecular weights are determined by VPO, the calibration equation of gel permeation chromatography of the preceramic polymer polytitanocarbosilane which generally haslow average molecular weight and high branching degree was established as follows: ln M=

采用以气相渗透法测定了数均分子量的宽分布含钛聚碳硅烷作标样，通过计算机辅助建立了具有较低分子量和较高支化度的陶瓷先驱体聚合物——含钛聚碳硅烷的凝胶渗透色谱校准方程lnM＝20.9－0.843T。

Methods:Amperometry was employed to examine the electrochemical respondence of our developed glucose biosensor on additions of glucose.

用硅溶胶凝胶技术修饰电化学铂化处理的碳粉与葡萄糖氧化酶混合制成的碳糊电极，构成新型电流式葡萄糖传感器，并用电流分析法研究其对葡萄糖的响应。

Then esterification of 3, 7-dimethyl-2-pentadecanol with acetic anhydride, the active component of sex pheromone of pine sawfly, 3, 7-dimethyl2-pentadecanyl acetate was obtained in 83. 4％ yield.

最后，用乙酸酐对3，7-二甲基-2-十五碳醇进行酯化，得到松叶蜂性信息素的活性组分--3，7-二甲基-2-十五碳醇乙酸酯，收率为83.4％。

It is pointed out that under the condition of the temperature of 1120℃, the reaction time of 16 mm and the carbon content of 27%, the metal transformation rate of sponge iron used for general metallurgy is up to 90%. But the optimal carbon content is 29% for iron sponge to treat DSD acid oxidation wastewater. Under condition of the wastewater's pH value of 3 to 5 and the reaction time of 40min, the removal rates of COD and color are 68% and 90%, respectively. The BOD/COD ratio is up to 0.425 when DSD oxidation acid water is treated with sponge iron.

研究表明：在配碳量27%、反应温度1160℃、反应时间16min的情况下，以铁泥为原料制备的常规海绵铁的金属化率可达90%以上；用于处理DSD酸氧化废水的海绵铁适宜配碳量为29%，用制备出的海绵铁处理DSD酸氧化废水，在pH值3~5、反应时间40min时，出水的COD去除率可达68%、色度的去除率达90%、可生化性指标BOD/COD提高到0.425。

It was found that the endo-type sulfonium salts were also worked but afforded the corresponding cyclopropanes with opposite absolute configuration compared with that from the exo-type salt.

考察了硫盐结构对反应的影响，当硫盐中碳-硫键位于樟脑骨架 endo 位置和碳-硫键位于 exo 位置时所得环丙烷化反应主产物的绝对构型相反。

After active carbon powder and alloy steel powder are added to the thermit, the self-propagating high-temperature synthesis reaction starts.

本文研究了合金化自蔓延陶瓷内衬复合钢管制造技术，即在铝热剂中加入活性碳粉或合金钢粉末，进行自蔓延高温合成反应，分析了碳和合金元素对复合钢管过渡层的影响。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。