查询词典 nitrogen

The mass transfer coefficients were obtained for deoxygenation from water by nitrogen stream. Random packings were used with the variation in sizes, materials, shapes, surface properties together with some structured packings.

实验中以氮气气提水中溶氧为实验系统，比较液膜质传系数数值大小以得知质传效率的优劣，在填充物的部分则选用了13种不同尺寸大小、材质、形状、亲疏水表面及构造型态的填充物进行研究。

5Hours, the aeration time of deposal of nitrogen is 10minutes, the settlement time is 1hour, and finally draw.

实验证明：该系统强化了SBR工艺的脱氮除磷效果且运行稳定，抗冲击负荷能力强，达到了目前处理水不光要求去除有机物，氮和磷的含量必须达标的水处理新要求。

The results indicated that 28 of 407 genes had an altered pattern of expression 24 hours after nitrogen deprivation.

结果显示，在缺氮培养24小时的条件下，28个基因的表达发生变化。

The research in adsorption and desorption of nitrogen and phosphate is crucial to application of fertilization and environmental pollution prevention.

研究土壤对氮、磷的吸附/解吸附特性对合理施肥、防止环境污染等有重要的作用。

RESULTS: After ischemia-reperfusion injury, the rats had hydrouria, urine osmotic pressure depress, symptoms of carnine and urea nitrogen increasing. HE staining demonstrated that renal tubular epithelial cells were swelling, necrosis, and desquamate. Aquaporin-1 expression and its mRNA level was decreased; in particular, the expression and level were the lowest at day 1 after ischemia-reperfusion injury and recovered to normal value at day 5 after ischemia-reperfusion injury.

结果：大鼠肾脏缺血再灌注损伤后出现尿量增多、尿渗透压降低，血肌苷、尿素氮升高症状；苏木精-伊红染色示肾小管上皮细胞肿胀、坏死、脱落；水通道蛋白表达量及其mRNA含量均较对照组减少，这些变化于缺血再灌注损伤 1 d时最低，至缺血再灌注损伤 5 d时恢复正常。

E The results of LECO TC-436 Oxygen/Nitrogen Determinator show that there is a little oxygen in the nitrided samples.

D试样的粒度较大和高温加热时间比较短的情况下，渗氮试样中均有未发生氮化的金属锰残余。

Based on this, a liquid nitrogen cooled screen device is developed to control the radiation degradation of deuterium lamp.

建立了氘灯真空辐射特性测试系统，利用该系统对液氮制冷屏装置的有效性进行了考察。

The carbon and nitrogen sources could satisfy the basic growth requirement of Geotrichum candidum link However, since its ability of utilizing starch and dextrin is not strong, the best pre-treatment of the waste water is sacchrification.

小麦淀粉废水的碳氮源能够满足白地霉生长的基本要求。但白地霉利用淀粉和糊精的能力并不强，因而最适的废水预处理方法是经过糖化。

The grain size of sediments has an important role in the early diagenesis of nitrogen.

在氮的早期成岩过程中，粒度也起着非常重要的作用，沉积物的粒度越细，沉积物中有机氮的分解速率越小，即细粒度沉积物中有机氮的分解矿化速率最小，易于富集有机氮。

The adsorption of urea nitrogen onto dialdehyde cellulose under catalysis of immobilized urease in gelatin was studied in batch system.

研究了在固定化脲酶催化作用下双醛纤维素对尿素氮的吸附平衡和动力学。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。