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羰字的意思

羰
拼音tānɡ
部首羊部
总笔画15画 使用频率二级字
结构左右结构
组词羰组词
书写练习羰字书写练习 笔顺打印羰字笔顺打印

统一码

羰字UNICODE编码U+7FB0,UTF-32: 00007fb0,UTF-8: E7BEB0。

详细解释

tāng

1、化学名词,“羰基”,也叫“碳氧基”、“碳酰基”(=CO) ,是由碳酸减去氢氧原子团而砀复基。

例句

烷基自由基对羰基进行进攻,生成双环的羰自由基中间体。

This radical attacks the carbonyl group to an intermediate bicyclic ketyl.

考察贵金属在羰化过程中的行为。

Behaviour of precious metals in carbonyl process was investigated.

你也许对某些产品感羰兴趣。

You may be interested in only some of the items.

小女孩回答说: 羰“我的家庭作业。”

The little girl replied, "My homework. ""

当羰律师分争论程序问题时,审理被停止。

Thee hearing was held up while counsel argued over procedural problems.

我们主要采取了一些羰国际上的惯例做法。

We have mainly adopted some usual international practices.

考察了乙炔高压羰化合成丙烯酸时沉积物的形成。

The factors of formation of sediments in the carbonylation of acetylene to acrylic acid under high pressure have been investigated.

自古以来,我们的祖先在这块土地上劳动、羰生活。

Since ancient times, our ancestors lived and labored on this land.

在一些案件中,各级功羰被削减了一半,但研究人员说。

In some cases, the levels of reactive carbonyls were reduced by half, the researchers say.

在此基础上对羰基钴在催化羰化反应领域的应用作了展望。

The carbonylation of benzyl chloride to phenylacetic acid catalyzed by carbonyl cobalt is discussed in great detail.

并详细评述了山西煤炭化学研究所的糠醛脱羰制呋喃的新工艺。

A novel technique for preparing furan through decarbonylation of furfural developed by shanxi institute of coal chemistry was described in detail.

并详细评述了山西煤炭化学研究所的糠醛脱羰制呋喃的新工艺。

A novel technique for preparing furan through decarbonylation of furfur al developed by shanxi institute of coal chemistry was described in detail.

怀俄明州:这里的男人都是男子汉…胆小鬼只有害怕的份儿!羰。

Wyoming: : Where Men are Men... and the sheep are scared!

研究了几种单齿和双齿含氮配体在氧化羰化反应中的助催化性能。

The promotion effects of N-donor ligands for catalytic oxidative carbonylation of methanol were studied.

托德:哦,哇!你的猫还具有这种原始本能啊。它还会出去捉鸟。羰。

Todd: : Ooh! Wow! Your cats still primitive. It still goes out and kills birds.

以己二酸二乙酯为原料,经狄克曼反应合成2-羰环戊基甲酸乙酯。

Synthesis of 2-(ethoxycarbonyl) cyclopentanone by Dieckmann reaction with diethyl adipate as raw material was studied.

络合反应使一氧化碳活化,因此,金属羰合物是有机合成中的优良催化剂。

Complexing reaction activates the carbon monoxide, so that the metallic carbonyl complexes are excellent catalysts in the organic synthesis.

本课题探讨了以廉价的甘蔗糖蜜为原料,通过羰氨反应制备香料的工艺技术。

In this paper, sugarcane molasses was taken as a raw material to produce flavor according to Maillard Reaction.

艾米咯咯地笑了。竞赛听起来很有趣。她开始思考她最想的圣诞节礼物了。羰。

Amy giggled. The contest sounded like fun. She started thinking about what she wanted most for Christmas.

展示自己的知识,但不要让别人觉得自己全部了解。展示自己最新羰学习能力。

Show your knowledge but do not prove that you know everything. Give the information to show your recent learning efforts.

想要在事业上和爱情生活中获得更大的成功,并且到暮年仍保持大脑健康?羰。

Want greater success in your career and your love life, as well as a healthy brain long into old age?

骨骼形成的第一步,羧基磷灰石被沉积在原胶原蛋白分子末羰之间的成核部位。

Bone formation Hydroxyapatite is deposited in nucleation sites between the ends of tropocollagen molecules as the first step in bone formation.

在速度和舒适度方面,自行车是无法和汽车、火车这样的交通工具相比的。羰。

Bicycles can't be compared with other means of transportation like cars and trains for speed and comfort.

在我邻座坐的是一个羰高中生,一个十几岁的年轻人。她生于一个贫穷的家庭。

And din the seat next to me was a high school student, a teenager, and she came from a really poor family.

与之相比,变化速度越快的词汇,消亡以及被其它词汇取代的速度也越快。 羰。

Meanwhile, , the fastest-changing words are projected to die out and be replaced by other words much sooner.

女人喜欢猫。男人说他们喜欢猫,但当女人看不见的时候,他们就会踢猫。羰。

Women love cats. Men say they love cats, but when womenaren'tlooking, men kick cats.

探索了杂多酸和杂多酸的四丁基铵盐对氧化羰化双酚A直接合成聚碳酸酯的促进作用。

The selected heteropolyacids and their tetrabutylammonium salts were explored as a promoter in the oxidative carbonylation of bisphenol A.

反应历程可能为甲醇首先均相催化羰化为甲酸甲酯,然后甲酸甲酯再多相催化氢解为甲醇。

The reaction pathway may involve a homogeneous carbonylation of methanol to methyl formate followed by the heterogeneous hydrogenolysis of methyl formate to methanol.

报道了一系列铜与含氮、氧、磷配体形成的配位催化剂用于甲醇氧化羰化合成碳酸二甲酯的研究结果。

Oxidative carbonylation of methanol to dimethyl carbonate catalyzed by a series of copper complexes bearing ligands with nitrogen, oxygen and phosphine donors is reported.

糠醛脱羰催化剂失活的主要原因是大量积碳附着于催化剂表面使活性中心被包埋从而使催化剂失去活性。

The deactivation of the catalyst of furfural decarbonylation is mainly due to carbon deposition attached to the catalyst surface, it leads to the active site embedded, so the catalyst losed activity.

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