查询词典 liquid nitrogen

Liquid nitriding adds more nitrogen and less carbon than either cyaniding or carburizing in cyanide baths.

液体渗氮时在氰化物溶液中加入比氰化及渗碳都较多的氮和较少的碳。

Cyaniding Cyaniding, or liquid carbonitriding as it is sometimes called, is also a process that combines the absorption of carbon and nitrogen to obtain surface hardness in low-carbon steels that do not respond to ordinary heat treatment.

氰化 氰化，有时称为液体碳氮共渗，也是一种结合了吸收碳和氮来获得表面硬度的工艺，它主要用于不适合通常热处理的低碳钢。

Cyaniding, or liquid carbonitriding as it is sometimes called, is also a process that combines the absorption of carbon and nitrogen to obtain surface hardness in low-carbon steels that do not respond to ordinary heat treatment.

氰化氰化，或液体碳氮共渗，因为它有时被称为，也是一个过程，结合吸收碳和氮获得表面硬度低碳钢不回应普通热处理。

When the traditional nitrification-denitrification process is used for treating coking waste water, reflux nitrified liquid is required in anaerobic denitrification stage. Because of influence of the factors such as low carbon-nitrogen ratio and big reflux ratio, the denitrification rate is only 30%~50%.

传统的硝化反硝化生物脱氮工艺处理焦化污水时，厌氧反硝化脱氮需要回流硝化液，由于受到碳氮比低及回流比大等因素的影响，焦化污水的脱氮率只有30%~50%。

A liquid chromatography-mass spectrometrymethod for determination of 15 anabolic steroids(17β-TS, PG, 17β-NT, MTS, PTS, PN, PNT, DIA, BOL, TRE, STA, TRA, MED, NOG, MPA) in animal urines was established. After the treatment of enzyme hydrolysis, the sample was cleaned up by C18 solid-phase extraction cartridges. The elution was evaporated under nitrogen and redissolved by acetontrile-water(1:1, by volume).

采用液相色谱－电喷雾串联质谱仪(LC-ESIMS/MS)，在多反应监测模式下建立了动物尿液中15种甾类同化激素（睾酮、孕酮、诺龙、甲基睾酮、丙酸睾酮、丙酸诺龙、苯丙酸诺龙、大力补、勃地龙、群勃龙、康力龙、醋酸群勃龙、甲炔诺酮、甲羟孕酮、醋酸甲羟孕酮）的快速确证测定方法。

Before the boiling of wort, the addition of 5％ yeast steeped liquid could supply the insufficient nitrogen source in the saccharified wort.

在麦汁煮沸前添加5％酵母浸出液来补充糖化麦汁氮源不足。

Result The suitable carbon source for liquid culture of P. nebrodensis was corn meal and glucose, the suitable nitrogen source was bean flour and peptone.

结果］适合白灵菇液体培养的碳源是玉米粉和葡萄糖，氮源是黄豆粉和蛋白胨。

This method is to obtain multi-fungi from water and waster water by methylene chloride fluid-fluid extract nitrogen,and then take the concentration purification to the highly effective liquid phase color spectrometer where it can be detected by the diode matrix detector.

用二氯甲烷液-液萃取氮吹浓缩法萃取水和废水中的多菌灵，取浓缩纯化后的有机相直接进样到高效液相色谱仪，用二极管矩阵检测器检测，根据保留时间外标法定量。

Method］ Solid and liquid medium of the nitrogen-free BAP, S, JA, ISP4, CB-CcI3, DPM, FTW were used to isolate and purify root nodules of Elaeagnus and Hippophae collected from Tongliao and Chifeng in Inner Mongolia. According to determination results of 16S rDNA sequence, a phylogenetic analysis was carried out.

方法］以通常用于分离弗兰克氏菌属固氮放线菌的无氮BAP、S、JA、ISP4、CB-CcI3、DPM和FTW等为固体和液体培养基，对采集自内蒙古通辽和赤峰的沙棘和沙枣植物根瘤进行放线菌的分离纯化，并依据16S rDNA序列测定结果对分离物进行系统发育分析。

The experiment of potted was carried out in the green house and biao-ben orchard of Shandong Agricultural University from 2002.9~2003.6. Aroma components of fruit were extracted by solvent soluble and analyzed by Gas Chromatogram/ Mass Spectrum , to study on the effect on strawberry aroma component under various nitrogen levels. At the same time , glucose and fructose in fruit were analyzed by High Performance Liquid Chromatography, and the correlation between glucose、 fructose and the precursor of strawberry characteristic aroma component was studied according the former article.

本试验于2002年9月~2003年6月分别在山东农业大学日光温室和果树标本园中进行，采用盆栽的方式，用溶剂萃取法提取香气成分，用气相色谱-质谱联用仪进行定性、定量分析，研究了不同氮素水平对草莓果实芳香成分的影响，同时采用高效液相色谱法测定果实葡萄糖、果糖含量，对果实中葡萄糖、果糖与草莓特征香气成分前体之间的关系进行了初步探讨。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新