您要查找的是不是：
- As the metamorphism increases, the aromatic nucleus get biger gradually, groups get smaller, and the chemical structure of coal changes to the structure of graphite. 结果表明:随着煤级增加,煤的芳香核逐渐增大,各种官能团不断脱落,煤的结构趋向于石墨化方向发展。
- chemical structure of coal 煤的化学结构
- STUDIES ON CHEMICAL STRUCTURE OF POLYSACCHARID OF CORIOLUS VERSICOLOR(CVP) III. 云芝子实体多糖(CVP)化学结构的研究III.
- The energy structure of our country are analyzed,the state of the coal chemical engineering technology and the necessity of developing the new technology of coal chemical engineering are discoursed. 分析了我国能源结构的特点,论述了煤化工能源新技术的发展现状以及发展新型煤化工能源技术的必要性。
- A series of qualitative experiment of roselle calyx red pigment was done so that the chemical structure of the pigment was appraised preliminarily. 对玫瑰茄红色素进行了一系列定性实验,欲对其结构进行初步鉴定。
- The Turkish group studied the chemical structure of leaves from the plant called the sacred lotus. 土耳其研究小组研究了睡莲叶的化学结构。
- The chemical structure of isoflavones is similar to that of female estrogens, which is known as phytoestrogens. 异黄酮素的化学结构与女性雌激素相似,又被称为植物性雌激素。
- It is the chemical structure of water that makes it an excellent medium for life. 是水的化学结构使它成为绝佳的生命存在的介质。
- We need to replenish our stocks of coal. 我们需要再次补充煤的储备。
- The chemical structure of the cyan DAR coupler was identified by IR, HNMR, MS and elemental analysis. 其结构经IR、HNMR、MS和元素分析等检测与所设计一致。
- Prohibition was laid on the export of coal. 禁止煤炭输出。
- The result of IR indicated that the chemical structure of DHP was in well agreement with MWL prepared from ginkgo wood. 红外分析结果显示 :该实验条件下用松柏醇葡萄糖苷合成的DHP同天然银杏木材的磨木木质素 (MWL)在组成和结构上有较好的相似性。
- He put a shovel of coal on to the fire. 他往火炉里加了一铲煤。
- By ESCA, IR, FTIR, changes of chemical structure of the veneer surface was surveyed. 借助于化学分析光电子能谱仪(ESCA)、红外和傅里叶变换红外光谱仪(IR和FTIR)探查了单板表面化学结构的变化。
- We had a big delivery of coal today. 今天我们收到大批订购的煤。
- RESULTS Chemical structure of Balsalazide disodium was confirmed by element analysis, UV ,IR , 1HNMR and ESI-MS etc. 结果所得产物经元素分析、紫外光谱、红外光谱、核磁共振谱及质谱等确证了结构。
- RESULTS Chemical structure of gimeracil was confirmed by element analysis, UV, IR, NMR and ESI-MS, etc. 结果所得产物经元素分析、紫外光谱、红外光谱、核磁共振谱及质谱等确证了结构。
- The country is short of known deposits of coal. 这个国家缺少已知的煤矿矿床。
- Abstract : The surface chemical structure of activated carbon fibers (ACF) was modified by cerous nitrate. 摘要 ： 利用硝酸铈铵对活性炭纤维进行了化学改性。
- An inexhaustible supply of coal. 用之不竭的煤炭供应
