查询词典 nitrogen-free

Proportion of compound and ureafertilizer is higher than average level of China;There is significant or very significantdifference of nitrogen and phosphorus application amount between rice or wheat bumper harvestfield and ordinary field.

江苏省的肥料投入水平高于全国和世界平均水平，全省有机氮占总施氮量的比例和全国相当，无机氮肥中复混肥和尿素的比例高于全国平均水平。

This paper discusses the source rocks, geochemical characteristic, oil-rock correlation, oil migration direction and favorable oil accumulations in Shuangtai-Hekou area, Liaohe basin, based on maturity parameters of oil from different wells, the abosulte concentration of nitrogen compound in oil, isomeride proportion of alkyl carbazole compounds with different polarity, and regional geology background.

在辽河断陷西部凹陷河口地区烃源岩和原油地球化学特征剖析及油源对比研究基础上，依据平面上不同井原油成熟度参数变化趋势，油藏剖面上不同原油含氮化合物绝对浓度及不同极性烷基咔唑类化合物异构体比值的变化规律，并结合区域地质背景，研究了本地区主力油源区、油气运移方向和有利油气聚集区带。

The Compressed Gas Association recommends three different connections for nitrogen depending on the pressure of the container.

根据容器的压力，压缩气体协会推荐了三种不同的接头。图片分割这个术语的含义是随着使用者的不同而不同的。

Gas Distribution series of devices - from the control point of view, a semi-automatic and fully automatic with two gas from the gas source is composed of two groups of (liquefied petroleum gas, compressed air) and three groups of (nitrogen , Hydrogen, propane or butane) of the points is to provide natural gas and gas cities of the ideal alternative source of gas equipment, especially for gas production-line equipment manufacturers and test firing of Quality Supervision, Inspection departments for laboratory and performance of combustion Test.

从配气气源组成有二组份及三组份（氮气、氢气、丙烷或丁烷）之分；是提供天然气和城市人工煤气替代气源的理想设备，特别适用于燃气器具生产企业在线生产试烧和质量监督检验部门用于实验室及燃烧性能的检验。

500M3 gas sphere varities of products: kinds of compressed air tank,liquefied petroleum gas tank,liquefied ammonia tank,liquefied chlorine tank,CO2 tank,nitrogen tank,and storage tanks and metering tanks for varities of industrial chemicals and chemical product.

500M3的煤气球罐。产品种类：各种压缩空气储缸，液化石油气储缸，液氨储缸，液氯储缸，CO2气体储缸，氮气储罐及各类化工原料，产品储缸，计量罐等等。

Other than conventional concept, the N→Rh bond, formed by rhodium in the complex and nitrogen at pyridine ring in the ligand, did not break in the course of the carbonylation reaction, but formed into new active species instead, i.e., the ligand and rhodium as a whole participated in the oxidative addition of CH3I and the formation of CH3COI.

配合物中铑与吡啶环上共轭N形成的N→Rh配键，在羰基化反应过程中并非通常认为的断裂而是形成新的活性物种，即配体与铑作为整体参与了CH3I的氧化加成及CH3COI的生成过程。

According to the building blocks concept dicyandiamide N≡C-NH-C (NH〓=NH was selected as the precursor to improve the nitrogen content in the electrodeposited carbon nitride films.

以丙酮为分散介质，在阳极电沉积过程中制备得N含量为48％的氮化碳薄膜，此膜中有一定量的C=N和C≡N键，热退火使得C≡N减弱，C-N增强。

This method is simple, rapid, reproducible and suitable for the condiment amino nitrogen determination.

本方法操作简单、快速、重现性好，适合于调味品中氨基酸态氮的测定。

Objective: To establish a method for condiment amino nitrogen determination.

目的：建立调味品中氨基酸态氮测定方法。

The results showed that there were significant Conics relations between nitrogen application rate and wheat yield in high and middle soil fertility level, but it was a linear correlation under low fertility soil.

中文摘要：以江苏淮北麦区主推中筋小麦淮麦19和强筋小麦烟农19为材料，研究了高、中、低肥力稻茬田上施氮量对小麦籽粒产量和物质生产的影响。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。