碳

The surface of the MWNTs treated by acid could graft triethylene-tetramine groups successfully by amidation route.

酸处理的碳管经进一步酰胺化反应可在表面接枝三乙烯四胺，实现碳管的胺功能化。

A series of new style crude oil pour point depressants were synthesized by aminate of acrylic alkyl ester and maleic anhydried bipolymer.

通过丙烯酸高碳酯与马来酸酐二元共聚进行胺解反应得到一系列新型高凝原油降凝剂，并进行筛选，从中选出丙烯酰高碳胺与共聚物结合后的降凝剂降凝效果最好，凝点降幅大于10℃；进一步回归出加剂和未加剂原油的全粘温方程，方程呈对数关系。

Results: The values of blood glucose at 30, 45, 60 and 90 minute after intake of 50 g carbohydrates of steamed bread and 100 g Amorphophallus konjac were obviously decreased compared with single intake of 50 g carbohydrates steamed bread, and showed a statistical significance.

结果：进食含50 g碳水化合物的白面馒头和100 g魔芋后，患者30、45、60和90 min血糖与对照进食含50 g碳水化合物的白面馒头比较，血糖明显下降，差异有统计学意义。

Objective To observe the antagonistical effect of DHA and EPA on the interference to metabolism of protein, DNA, RNA and the expression of bcl-2, bax gene by excessive iodine.

目的 观察二十二碳六烯酸二十碳五烯酸对高碘所致的脑蛋白质、核酸代谢和bcl-2、bax基因表达损伤的拮抗效应。

Quinazolin-4(3H)-ones(1) were conveniently synthesized from anthranilic acids and amidines,which could be chloridized with POCl_3 to obtain 4-chloroquinazolines (2).The reaction of 2 and 1H-pyrazol-3-amine would give two types of products.In the presence of acid or base,the C-N bond would be formed between the 4-position carbon of 2 and the NH_2 of 1H-pyrazol-3-amine.While the C-N bond between the 4-position carbon of 2 and the NH of 1H-pyrazol-3-amine would be formed when Pd catalyst was utilized.

以邻氨基苯甲酸类化合物和脒为原料，可方便地获得喹唑啉-4(3H)-酮类产物(1)，1经POCl_3氯化可到4-氯代喹唑啉化合物(2)。2与3-氨基-1H-吡唑化合物反应可得到两种类型的产物，在酸、碱条件下2的4位碳和3-氨基-1H-吡唑化合物的NH_2发生C-N成键反应；在Pd催化条件下，2的4位碳则和3-氨基-1H-吡唑化合物的环内NH发生C-N成键反应。

He also understood enough of the terrestrial and oceanic carbon cycle to know that uptake of the anthropogenic carbon would be slow.

普拉斯对陆地和海洋的碳循环也有足够的认识，知道吸收人类产生的碳的过程很缓慢。

The journey according to carrying Cheng " carbon is compensated " plan, when the tourist reserves airline ticket through the network on net of the journey that carry Cheng, carry Cheng to will fly according to its course of development, the carbon dioxide discharge capacity that reminds a tourist place of flight of this second aviation arises, arboreous amount that reduce these carbon dioxide and needs to cultivate, offer corresponding " carbon is compensated " option.

根据携程的旅途&碳补偿&计划，游客在携程旅行网上通过网络预订机票时，携程将根据其飞行里程，提醒游客该次航空飞行所产生的二氧化碳排放量、减少这些二氧化碳而需要种植的树木数量，并提供相应的&碳补偿&选项。

Net of the journey that carry Cheng rolls out travel since 16 days " carbon is compensated " plan, the citizen is in carry when airline ticket is being reserved on Cheng, carry Cheng to will fly according to its course of development, the carbon dioxide discharge capacity that reminds a citizen place of flight of this second aviation arises, arboreous amount that reduce these carbon dioxide and needs to cultivate, offer corresponding " carbon is compensated " option.

携程旅行网16日起推出旅游&碳补偿&计划，市民在携程上预订机票时，携程将根据其飞行里程，提醒市民该次航空飞行所产生的二氧化碳排放量、减少这些二氧化碳而需要种植的树木数量，并提供相应的&碳补偿&选项。

As we know, arbuscular mycorrhizal fungi were widespread in the steppe and had a significant function in carbon sequestration in ecosystem.

草地生态系统在全球碳循环中作用重大，而丛枝菌根广泛存在于草原生态系统中，对碳固持有着重要作用。

During the process,a series of artifactitious techniques are respec-tively adopted according to the types of products,such as low-temperature carbonization,crystal type control,particle surface processing,gas smash,etc.

在生产过程中，根据产品型号分别采取了低温碳化、晶型碳化、晶型控制、粒子表面处理、气体粉碎等一系列加工工艺。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。