Waqas'teacher Dr Hafiz Mohammad Dilawar says Waqas is a keen student.

The extraction separation process for zirconium and hafnium with MIBK was briefly reviewed in this paper.

简要评述了用甲基异丁基酮(MIBK)萃取分离锆铪方法的基本原理、分离工艺和条件、萃取设备.

Chemical form of hafnium is perchlorate or nitrate.

铪的化学形态为过氯酸盐或硝酸盐.

And how is it known that Mars had hafnium-187 ?

那么是如何知道火星有铪 -187 的 呢 ?

Despite its cure for leakage power, adding hafnium creates headaches for the process integration engineer.

添加铪基本解决了泄漏功耗问题, 不过铪也让工艺集成工程师头疼不已.

Why can you always have vexed thing hafnium?

为什么总是会有烦恼的事铪?

He puts haft an hour's practice in piano playing everyday.

他每天花半小时练钢琴.

The plane needs haft a day to turn round.

飞机需要半天才能返回.

But when I climbed the haft way, I was very'tired and quite out of breath.

但当我爬到一半时, 我累极了,上气不接下气.

The hands of the clock pointed to haft past six then.

那时时钟的指针指向6:30.

He lay with with Hagar and she conceived and when she knew sheshe despised her mistress.

他与夏甲同房,夏甲就怀了孕.夏甲得知自己怀孕后,就瞧不起女主人了.

Counting the driver, there were four men in the car with Hagen.

把司机算在内, 押着黑根的汽车里共有四个人.

And yet with all his heart , Hagen dreaded the next hour.

但是, 黑根尽管赤胆忠心,还是感到不寒而粟.

" I don't know what you're talking about, " Hagen said.

“ 你说的是什么意思,我简直听不懂, ” 黑根说.

Sonny asked Hagen, " You have any luck with Sollozzo? "

桑儿问黑根: “ 你同索洛佐联系上了 吗 ? ”

Hagen snapped his fingers. " That detective , that guy Phillips.

黑根灵机一动,把手一甩,同时把手指捻得劈啪劈啪作响.

Hagen held out his china cup fox more whiskey.

黑根把那个大瓷杯端起来,再要些威士忌.

Hagen knew he was being mollified. " Maybe I can help, " he said.

黑根知道迈克尔平静下来, 就说: “ 也许我也可能帮帮忙. ”

Hagen saw Sollazzo's face go pale, his eyes glitter with rage.

黑根发现索洛佐的脸“刷”一下子变得苍白了, 眼睛也闪烁着愤怒之光.

Hagen nodded. " I called Clemenza as soon as I got home. "

黑根点点头, “ 我一回家就给克莱门扎打了电话,让他放走人质.

She asked Tom Hagen directly, " Do you know where Mike is?

她单刀直入地问汤姆-黑根: “ 你知道迈克尔到哪里去了 吗 ?