查询词典 addenda

Portable camp heaters of other than the catalytic type for use with liquefied petroleum gases; Addenda

ANSI Z21.63b-1984 用液化石油气的非催化型便携式露营加热器。

Based on the addenda for adding color metal material in GB1511999 and with the problems in the design of the pressure vessels and heat exchangers made by titanium, in this article, some aspects needed to account for in the design of titanium made pressure vessel s were discussed.

本文结合GB151-1999《管壳式换热器》新增有色金属产品的情况，以钛制压力容器及换热器设计中碰到的问题为线索，讨论了钛制压力容器设计中需要注意的问题。

Mixed-addenda heteropolyacid ; catalysis ; 2-octanol ; hexa noic acid

磷、钼、钒多元杂多酸；催化作用；仲辛醇；己酸

The results showed that the mixed-addenda heteropolyacids H6PM o9V3O40,H10PMo5V7O40and H11PMo4V8O40 c an improve the conversion of 2-octanol,selectivity for hexanoic acid and the r ate of production.When the amounts of heteropoly acid are 14%,10%and 14% of the weight of 2-octanol,co...

结果表明：H6PMo9V3O40、H10PMo5V7O40、H11PMo4V8O40等多元杂多酸均可提高仲辛醇的转化率、己酸产率和己酸选择性，并确定了这3种催化剂的最佳用量：当它们分别为仲辛醇质量的1 4%、1 0%、1 4%时，仲辛醇转化率可达98 3%、97 6%、100%；己酸的选择性可达85 7%、85 8%、78 8%；其性能明显优于钒催化剂。

The conversion and selectivity of oxidation of 2-octano l to hexanoic acid by nitric acid using the mixed-addenda heteropolyacid H15- xPMoxV12-xO40·nH2O(n=20-40)as the catalys t were studied.

采用磷、钼、钒系列多元杂多酸作为硝酸氧化仲辛醇制己酸的催化剂，对其催化性能和选择性进行了实验研究。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。