1.
Syntheses and Binding Properties of Calix[4]arene Derivatives with Semicarbazone and Benzalazine Groups;
缩氨脲基和苄连氮基杯[4]芳烃衍生物的合成与配合性能研究
2.
Nitramines are substances which contain a nitro group bonded to nitrogen.
含有与氮原子相连的硝基的物质称为硝胺。
3.
The soil organic matter and total N stabilize basically, available P increase while alkaline hydrolyze N decrease obviously in the cornrice rotation.
玉米、稻连作土壤有机质和全氮基本稳定，有效磷呈上升趋势，碱解氮和速效钾下降趋势明显。
4.
The meso carbon atom of the methine linkage of the dye is attached to the nitrogen atom of a group which forms an enamine with the methine linkage of the dye.
该染料甲川链上的碳原子与氨基的氮原子相连，而该氮原子又与染料的甲川链形成烯胺。
5.
The Synthesis of 1, 5-Benzothiazepine, 1, 5-Benzodiazepine and Pyrazoline Derivatives Containing 2-Phenyl-1, 2, 3-triazole;
含连三唑基的1，5-苯并硫氮杂卓，1，5-苯并二氮杂卓及吡唑啉类衍生物的合成
6.
any of a class of dyes containing a -CH= group linking two nitrogen-containing heterocyclic rings; used as sensitizers in photography.
一种含有由两个含氮杂环连成的一个CH=基，摄影中用作感光剂。
7.
Most direct substitution of groups bound to an aromatic nucleus is limited to diazonium salts.
大多数连于芳核能被直接取代的基团仅限于重氮盐。
8.
The meso carbon atom of the methine linkage of the dye is attached to the nitrogen atom of an amino group.
该染料的甲川链上的中位碳原子与氨基的氮原子相连。
9.
Synthesis and Characterization of Lanthanide(Ⅱ) Complexes Supported by Nitrigon-bridged Biphenolate Ligands and Their Catalytic Behavior for Polymerization;
氮－桥连双酚基二价稀土配合物合成，表征和催化性能的研究
10.
Choice of Characteristic Near-Infrared Wavelengths for Soil Total Nitrogen Based on Successive Projection Algorithm
基于连续投影算法的土壤总氮近红外特征波长的选取
11.
Simultaneous determination of the total nitrogen,ammonium-nitrogen,nitrite-nitrogen,and nitrate-nitrogen in wastewater by continuous fluxion analysis
连续流动分析法同时测定污水中总氮、氨氮、亚硝酸盐氮、硝酸盐氮
12.
Proteins are made by linking individual amino acids together in long chains. Amino acids are made up principally of carbon, hydrogen, oxygen, and nitrogen.
蛋白质是由各种氨基酸连结成长链而构成的。氨基酸主要由碳、氢、氧和氮组成
13.
It dealed with the problem of brazing of steel hardware and copper that nitrogen base controlled atmosphere continuous brazing furnace.
研制的氮基可控气氛连续钎焊炉,成功地解决了钢质零件的铜钎焊问题。
14.
A quarternary nitrogen atom.
和四个碳原子相连的氮原子
15.
One atom of oxygen is linked to the nitrogen atom by a double bond.
一个氧原子以双键与氮原子相连。
16.
Studies on the Metal Coordination Compounds of Amidrazone Containing Dizaine;
连氮脒腙类化合物的金属配合物研究
17.
RE-nitrocarburizing Technology for Piston Rod Made of 40CrMnMo
40CrMnMo活塞连杆稀土离子氮碳共渗工艺
18.
Synthesis of Benzalazine-Bridged Bisthiacalix[4] arene
苄连氮桥联双硫杂杯[4]芳烃的合成