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語文書 / 例句 /

Using benzene as internal standard, the calibration factors of derivative of aldehydes 2,4 - dinitrophenylhydrazine ( DNPH ) were measured.是什么意思？

Using benzene as internal standard, the calibration factors of derivative of aldehydes 2,4 - dinitrophenylhydrazine ( DNPH ) were measured.

將醛類物質與2, 4- 二硝基苯肼 ( DNPH ) 的衍生反應液直接進樣,以苯為內標物,測定了甲醛、乙醛等醛類物質DNPH衍生物的校正因子.

using

v. 使用（ use的現在分詞），利用，耗費，吸（毒）；n. 使用，利用，用途，使用權；

benzene

n. 苯；

as

adv. 同樣地，一樣地，例如；prep. 作為，以…的身份，如

internal

adj. 國內的，內部的，體內的，內心的；prep. （機構）內部的；n. 內臟，內部器官，本質，本性；

standard

n. 標準，規格，旗，軍旗，度量衡標準，直立支柱；adj. 標準的，合格的，普遍的，一般的，公認為優秀的；

the

art. 指已提到的人（物），指說話人與聽者已知的人（物），用于獨一無二的事物前，與形容詞最高級和序數詞連用；

calibration

n. 校準，標準化，刻度，標度，測量口徑；

factors

n. 因素( factor的名詞復數 )，<數>因子，（增或減的）數量，系數；

of

prep. 關于，屬于…的，由…制成；aux. 助動詞 [非標準用語、方言] =have [主用于虛擬語氣]；

derivative

n. [數]導數，微商，[化] 衍生物，派生物，[語]派生詞；adj. 衍生的，導出的，拷貝的；

dinitrophenylhydrazine

二硝基苯

were

be的過去時復數和第二人稱單數形式，有時代替 was,用于條件從句、動詞 wish 之后等；

measured

adj. 仔細斟酌的，慎重的，緩慢而又有節奏的；v. 量( measure的過去式和過去分詞 )，測量，衡量，量出；

...the spiralling vortex airflow that slows the plane.
使飛機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,轉分機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在很多人看來是可信的。

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.
追索權當有支付義務的第一方不能支付時，可以向商業票據的背書人要求支付的權力。

So the size statistics given a new method to study the diluvial.
由此為山前洪積扇研究提供了新的方法和線索.

A spotless stove told us that his mother is a diligent housekeeper.
爐子清潔無瑕就表明他母親是個勤勞的主婦.

Diisopropyl phosphite was directly synthesized from phosphorus trichloride and isopropanol by using the solvent method.
以三氯化磷與異丙醇為原料,用溶劑法合成了標題化合物.

What are the dimensions of this room?
這房間的面積是多大?

Dill's eyes flickered at Jem, and Jem looked at the floor.
迪爾望著杰姆眨了眨了眼, 杰姆卻看著地下.

The electric light seemed suddenly dimmer, and the atmosphere in the room was tense.
那一盞三十二支光的電燈突然好像縮小了光焰.房里的空氣異常嚴肅.

The president has accepted a diminution of the powers he originally wanted.
總統已經接受了對自己原本要求的權力進行削減。

Dingus tries to stir up more trouble and get involved with the pale, baby - talking Indian, Anna.
沒想到馬吉膽大包天,還會回頭搶奪鎮長的巨款,而霍克也想趁機分得一杯羹.

A dime is a tenth of a dollar.
一角銀幣是十分之一美元.

The Preparation method of cheap aluminium dihydric phosphate and its application in refractories have been intro - duced.
提供了廉價磷酸二氫鋁的制備方法,介紹了它在耐火材料中的應用.

We should try to diminish the cost of production.
我們應盡力減少生產成本.

To investigate the exocrine compounds of coptotermes formosanus dinergate exocrine concentrate was obtained by different extraction.
本文主要討論采用不同提取方法所得家白蟻兵蟻的外分泌化合物的組成及相對含量的變化.

Is this the dingbat you mean?
你指的就是這個小玩意兒吧?