硝酸

When cellulose nitrate membrane was used as the carrier of HBsAg, examination with immunoenzyme spot method could give directly visible result.

以硝酸纤维素膜作HBsAg载体，用免疫酶斑点法检测，结果直观，方法简便、易行，因HBsAg吸附牢固，可用冲洗法去除残留消毒剂。

Cytokeratin20; Monoclonal antibody ; Colloidal gold ; Nitrate cellulose

细胞角蛋白CK20；单克隆抗体；胶体金；硝酸纤维膜

The RV antibody captured by the antibody-gold conjugate would migrate along the cellulose nitrate film and bind specifically with the RV glycoprotein to form a red line visible to the naked eye.

样品中狂犬病毒抗体与金标记抗体结合后沿硝酸纤维素膜移动，与膜上的糖蛋白特异结合形成肉眼可见的红色线条。

Cellulose nitrate filters, for example, are used for aqueous, oily, and weakly alcoholic solutions; and cellulose acetate filters, for example, are used for strongly alcoholic solutions.

例如，硝酸纤维素过滤器可用于水、油、稀醇溶液；而醋酸纤维素可用于浓醇溶液。

Catalytic activities of phosphotungstic acid for liquid-phase nitrations of benzene,toluene and chlorobenzene were studied.

研究了磷钨酸对苯、甲苯和氯苯液相硝化反应的催化活性，考察了反应温度、反应时间、硝酸与芳烃摩尔比对芳烃转化率和产物选择性的影响。

The optimum conditions are 0.2 mol chlorobenzene, and 0.7 g catalyst, and 0.07 mol glycine, and 0.08 mol nitric acid, and reaction time of 3 hours, and reaction temperature of 45℃.

最宜工艺条件：氯苯为0.2 mol，催化剂为0.7 g，氨基乙酸为0.07 mol，硝酸为0.08 mol，反应温度为45℃，反应时间为3 h。

ResultUnder low Nstress,the biomass,Nabsorption in plant,the activity of NR,the content of chlorophyl and soluble protein were decreased obviously and the activity of CAT and SOD were increased significantly.

结果低氮胁迫下，各糯玉米品种的生物量、植株吸氮量、硝酸还原酶活性、叶绿素和可溶性蛋白质含量和明显下降，而过氧化氢酶活性和过氧化物歧化酶活性明显提高。

The round trip flow time is cut short from two hours to ten minutes and the method adopts silver nitrate-bismuth nitrate united screening method to eliminate the disturb of chorine ion instead of strenuous noxious mercury sulfuric.

本方法适当提高硫酸浓度，强化了重铬酸钾的氧化效率，使回流时间由 2h缩短到 10min ；并且用硝酸银和硝酸铋联合掩蔽法能消除氯离子的干扰，代替剧毒的硫酸汞。

In this research, the concentration of PbCrO4 in the reaction can be as low as 58g-L-1 without any ill influence on the experiment. Therefore, some leachate can be used to produce yellow chrome directly without concentration.

乙酸铅或硝酸铅与代替重铬酸钠溶液的铬渣滤液反应时，其用量应高于理论值，大约为理论值的1.10～1＊倍，才能使六价铬充分反应，使生成的铬黄量达到最大值。

IT IS MONOCLINIC CRYSTAL. IT IS EASILY SOLUBLE IN WATER, LIQUID AMMONIA AND AICOHOL,DOLIPUESCC IN THE AIR, BURN AND OXPLODE WHEN MIXING WITH ORGANICS. IT IS USED AS DEHYDRANT OF MAKING NLTRATE, CINERATION AND CHEMICAL EXPERIMENTATION ETC.

无色透明单斜晶体，易溶于水、甲醇、乙醇，在空气中极易潮解，与有机物混合会发热，有着火及爆炸危险，工业上用作浓硝酸的脱水剂，制造炸药，用作触媒及其他镁盐和硝酸盐的原料，小麦灰化剂，在实验室用作化学剂。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。