pgDn是什么意思,pgDn怎么读 语音:
英音  ['pi:dʒ'i:d'i:'en] 
美音  ['pi:dʒ'i:d'i:'en] 
pgDn 基本解释
n. pagedown 翻下页
中文词源
pgDn 用法和例句提示:点击例句中的单词,就可以看到词义解释
提示:点击例句中的单词,就可以看到词义解释
PgDn Cycle to the next camera position .
循环下一个视窗视角位置。
Under the above optimum conditions , the yield of PGDN is about 96.3 % , and the selectivity is nearly 100 % .
1,2-丙二醇二硝酸酯的收率达96.3%,选择性接近100%。
In order to solve the environmental pollution of synthesizing 1,2-propylene glycol dinitrate ( PGDN ) with propylene oxide ( PO ) as raw material and the mixture of nitric acid and sulfuric acid as nitrating agent , a new method for preparation of PGDN by nitrating PO with dinitrogen pentoxide ( N2O5 ) as a clean nitrating agent was presented . This reaction is environmental friendly with high atomic economy .
为解决硝硫混酸法合成1,2-丙二醇二硝酸酯(PGDN)过程中存在的环境污染问题,提出了N2O5硝化环氧丙烷(PO)制备1,2-丙二醇二硝酸酯的方法,该反应原子经济性高,环境友好。
Reclaim your PgUp and PgDn keys from the Flash player to scroll the entire page , or add the cnee record mouse option to re-enable your scroll wheel .
从Flash播放器取回PgUp和PgDn键来滚动整个页面,或添加cneerecordmouse选项重新支持滚轮。