查询词典 phosphorous

One of them is based on etched porous alumina and carbon-gold-carbon compound film. The alumnia film surface is composed of rows of valleys with diameter of about 300 nm, and is realized by etching porous alumina in diluted phosphorous acid.

第一种阴极采用基于多孔氧化铝和无定形碳的双层传导薄膜，其中氧化铝薄膜的表面具有横向尺寸为300 nm的特殊凹陷结构，是对常规多孔氧化铝薄膜进行腐蚀形成的。

The optimization reaction condition is that using the mixture catalyst of phosphorous acid ester and dihydrogen phosphate, and toluene as solvent, at 105 oC and refluxing 30 hours, the yield is 90% with purity over 95%.

在最佳条件下，即在混合催化剂亚磷酸酯/磷酸氢盐的作用下，以甲苯为溶剂，在105 ℃反应30 h，酯化收率90%，纯度95%以上。

In soybean seed, about 60%-80% phosphorous is stored as phytic acid, which is believed as an important anti-nutrition factor to human being and non-ruminant livestock.

大豆种子中的磷60%～80%以植酸的形式存在，而植酸对于人和单胃动物是一种抗营养因子。

Methods The C18 column with methanol- water- phosphorous acid (90∶10∶0.03) as the mobile phase was used. The flow rate was 0.5 ml/min and the detective wavelength was 220 nm .

方法高效液相色谱法，C18柱，以甲醇∶水∶磷酸（90∶10∶0.03）为流动相，流速为0.5 ml/min，检测波长为220 nm。

Adenosine of annulus phosphoric acid and phosphorous ester inositol serves as the 2nd messenger, participate in nerve to give qualitative signal to conduct.

环磷酸腺苷和磷酯肌醇作为第二信使，参与神经递质的信号传导。

MethodsThe C18 column with methanol- water- phosphorous acid (90∶10∶0.03) as the mobile phase was used. The flow rate was 0.5 ml/min and the detective wavelength was 220 nm .

方法高效液相色谱法，C18柱，以甲醇∶水∶磷酸（90∶10∶0.03）为流动相，流速为0.5 ml/min，检测波长为220 nm。

The results show that the phosphorous acid modification obviously enhances the thermal stability of nanosized anatase TiO2, a principal anatase phase was maintained even after thermal treatment at 800℃.

结果表明，磷酸修饰显著地提高了纳米锐钛矿相TiO2热稳定性，甚至经过800℃热处理后仍然具有以锐钛矿相为主的相组成。

Anevaluation was done on the waste heat recovery of one-step phosphorous acid production by BEP, in which the change of energy utilization, economic results and environment effects were considered.

针对这一问题，带有余热回收装置的两步 [1]法热法磷酸生产系统开发成功，并有望取代一步法。

Strong corrosion fluid sulfuric acid, nitric acid, phosphorous acid, hydrochloric acid, caustic sodium and organic solvent, etc.

强腐蚀性流体(硫酸、硝酸、磷酸、盐酸类、苛性钠及有机溶剂等)。

Dihydroxydiphenylsulfone(2,4′-BPS)was prepared by reaction of phenol and H_2SO_4 in o-dichlorobenzene as solvent in the presence of phosphorous acid as catalyst.

以邻二氯苯为溶剂，苯酚、硫酸为原料，通过添加催化剂亚磷酸合成2，4′-二羟基二苯砜(2，4′-BPS)，确定了较好工艺条件：n苯酚∶n100%硫酸=2.2∶1，亚磷酸16g，回流时间8.0h，2，4′-BPS含量为47.42%，粗收率为70.0%，产品为白色的结晶。

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。