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The separation and determination of the primary impurities of diflubenzuron by liquid chromatography were carried out.是什么意思？

The separation and determination of the primary impurities of diflubenzuron by liquid chromatography were carried out.

通過反相液相色譜方法往甲醇與水的混合流動相中加入適當(dāng)調(diào)節(jié)劑,分離和測定除蟲脲原藥中的主要雜質(zhì).

the

art. 指已提到的人（物），指說話人與聽者已知的人（物），用于獨(dú)一無二的事物前，與形容詞最高級和序數(shù)詞連用；

separation

n. 分離，分開，間隔，距離，[礦]分選，（夫婦）分居；

and

conj. 和，與，而且，于是，然后，因此；

determination

n. 決心，決定，確定，[物]測定，計(jì)算；

of

prep. 關(guān)于，屬于…的，由…制成；aux. 助動詞 [非標(biāo)準(zhǔn)用語、方言] =have [主用于虛擬語氣]；

primary

adj. 首要的，主要的，最早的，原始的，[地質(zhì)學(xué)]原生的，基本的；n. 第一位，最好者，要素，候選人提拔會；

impurities

n. 不純( impurity的名詞復(fù)數(shù) )，不潔，淫穢，雜質(zhì)；

diflubenzuron

除蟲脲；

by

prep. 在…旁邊，表示方式，由于，經(jīng)過；adv. 經(jīng)過，表示保留或保存時(shí)用，短暫拜訪；

liquid

n. 液體，流音；adj. 液體的，清澈的，（聲音）流暢的，易轉(zhuǎn)換成現(xiàn)款的；

chromatography

n. 套色版，層析法；

were

be的過去時(shí)復(fù)數(shù)和第二人稱單數(shù)形式，有時(shí)代替 was,用于條件從句、動詞 wish 之后等；

carried

adj. 被攜帶的，被運(yùn)載的；v. 支撐( carry的過去式和過去分詞 )，攜帶，輸送，運(yùn)載；

out

adv. 出局，在外，在外部，完全，徹底，出版；prep. （表示來源）從，（從…里）出來，（表示不在原狀態(tài)）脫離，離去；vt. 使熄滅，揭露，驅(qū)逐；adj. 外面的，出局的，下臺的，外圍的；n. 不流行，出局；

...the spiralling vortex airflow that slows the plane.
使飛機(jī)減速的螺旋形氣流渦旋

You just go on ahead. I'll come by later...
你只管先往前走。我隨后就來。

He who spares his rod hates his son, But he who loves him chastens him early.
24不忍用杖打兒子的,是恨惡他;疼愛兒子的, 趁早管教.

For further information, please contact 414 3925, extension 2253.
詳情請致電414 3925,轉(zhuǎn)分機(jī)2253。

He sat there while I made the case for his dismissal...
他坐在那兒，聽我陳述解雇他的理由。

Baroness Thatcher's claims seem credible to many.
撒切爾女男爵的主張?jiān)诤芏嗳丝磥硎强尚诺摹?/a>

Nothing to be got without pains but poverty.
一份耕耘，一份收獲。

This decree obliges unions to delay strikes.
該法令迫使工會推遲罷工。

The right to demand payment from the endorser of a commercial paper when the first party liable fails to pay.
追索權(quán)當(dāng)有支付義務(wù)的第一方不能支付時(shí)，可以向商業(yè)票據(jù)的背書人要求支付的權(quán)力。

Objective To induce hypospadias in rats by diethylstilbestrol ( DES ).
目的　嘗試用己烯雌酚 ( DES ) 建立尿道下裂大鼠模型.

Your needs can differ from day to day.
你的需要每天可能都會不同。

Incorporation of a dideoxy analog prevents further elongation and so produces a chain termination extension product.
雙脫氧類似物的插入將阻止進(jìn)一步延伸,而產(chǎn)生鏈終止延伸產(chǎn)物.

Using different sidetracking methods, its success ratio and effectiveness differentia are large.
側(cè)鉆的方法不同, 側(cè)鉆的成功率和效率差異很大.

The teacher gave the pupils dictation.
教師讓學(xué)生聽寫.

I suspected the existence of a dictaphone somewhere in his panelled rooms.
我還疑心說不定在他裝有鑲板的什么地方,還會藏著一部口述留聲機(jī)哩.

He put forward seven general dicta.
他提出7條總原則.

Dido's told you the whole sad story, I presume?
我想狄多已經(jīng)把這件傷心事全部告訴你了吧？

Disputes and differences between the two neighbours would be solved bilaterally.
兩個(gè)鄰國之間的爭端和分歧應(yīng)當(dāng)通過雙邊途徑解決。

His wife , a biochemist , was a dietician at a research institute.
學(xué)生物化學(xué)的老伴兒在一家研究所里做營養(yǎng)試驗(yàn).

At first he was most dictatorial and aggressive in what he said, but when he realised that he would get nowhere by that means , he began to sing another tune.
起初他的說法十分專橫武斷, 但當(dāng)他認(rèn)識到這樣做行不通的時(shí)候, 他就開始改弦易轍了.

Our boss is a bit of a dictator.
我們的老板有點(diǎn)霸道.

The functions of their diffuseness, orientation, agglomeration, catalyzer and controls are indispensable factors of science development.
其傳播功能、導(dǎo)向功能、凝聚功能、催化功能和控制功能等等是科學(xué)事業(yè)發(fā)展中必不可少的重要因素.