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Preparation, homogeneity, stability and certification of reference substance of bornyl acetate were studied.是什么意思？

Preparation, homogeneity, stability and certification of reference substance of bornyl acetate were studied.

研究了乙酸龙脑酯标准样品的制备 、 均匀性和稳定性及其定值方法.

相关词汇
preparation homogeneity stability and certification of reference substance bornyl acetate were studied

preparation

n. 准备，预备，准备工作，配制品，制剂；
例句
You could never eliminate risk, but preparation and training could attenuate it...
风险不可能完全消除，但可以通过防范和培训来降低。

homogeneity

n. 同种，同质，同次性，一致性，齐性，均匀性；
例句
The quality , optical transmissivity and homogeneity of the sapphire boule have remarkably improved.
经测试,Al2O3晶体的完整性 、 光学透过率和光学均匀性均有显著提高.

stability

n. 稳定（性），稳固，坚定，恒心；
例句
NATO had charted a new course for stability and cooperation in Europe...
北约制订了保持欧洲稳定与合作的新计划。

and

conj. 和，与，而且，于是，然后，因此；
例句
I spend a lot on expensive jewelry and clothing...
我花很多钱购买昂贵的首饰和衣服。

certification

n. 证明，鉴定，证书；
例句
Airworthiness certification includes Type Certification and Production Certification , and other related work.
适航审定主要包括型号合格审定和生产许可审定及其他工作.

of

prep. 关于，属于…的，由…制成；aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气]；
例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

reference

n. 参考，参考书，提及，涉及，证明人，介绍人；v. 引用，参照；
例句
...a colour coding that will ensure easy reference for potential users.
确保潜在用户查阅方便的颜色编码

substance

n. 物质，材料，实质，内容，[神]灵，（织品的）质地；
例句
This is how we see our tasks, and the substance and content of our work for the forthcoming period.
这就是我们对工作任务的看法，以及下一阶段我们工作的实质与内容。

bornyl

茨醇基，龙脑基；
例句
Preparation, homogeneity, stability and certification of reference substance of bornyl acetate were studied.
研究了乙酸龙脑酯标准样品的制备 、 均匀性和稳定性及其定值方法.

acetate

n. 醋酸盐，醋酸酯，醋酸纤维，醋酸人造丝；
例句
The reverse of Reaction 11 for acetate may be combined with the electron acceptor reactions.
对于醋酸盐、反应11的逆反应可以与电子接受体反应组合在一起.

were

be的过去时复数和第二人称单数形式，有时代替 was,用于条件从句、动词 wish 之后等；
例句
Shops, houses, and vehicles were set ablaze.
店铺、房子和车辆全都陷于火海。

studied

adj. 有计划的，故意的，深思熟虑的，精通的；v. 学习，研究( study的过去式和过去分词 )，想出，详细地检查，背诵（台词等）；
例句
At college he studied English and did amateur boxing.
大学时，他学习英语，同时还参加业余拳击。
热门例句
He acknowledged publicly that he might have made a mistake.
他当众承认自己可能犯了个错误。
...the spiralling vortex airflow that slows the plane.
使飞机减速的螺旋形气流涡旋
You just go on ahead. I'll come by later...
你只管先往前走。我随后就来。
He who spares his rod hates his son, But he who loves him chastens him early.
24不忍用杖打儿子的,是恨恶他;疼爱儿子的, 趁早管教.
For further information, please contact 414 3925, extension 2253.
详情请致电414 3925,转分机2253。
Baroness Thatcher's claims seem credible to many.
撒切尔女男爵的主张在很多人看来是可信的。
He sat there while I made the case for his dismissal...
他坐在那儿，听我陈述解雇他的理由。
Nothing to be got without pains but poverty.
一份耕耘，一份收获。
This decree obliges unions to delay strikes.
该法令迫使工会推迟罢工。
The right to demand payment from the endorser of a commercial paper when the first party liable fails to pay.
追索权当有支付义务的第一方不能支付时，可以向商业票据的背书人要求支付的权力。
相关例句
Drinking this preparation regularly promotes your health and prolongs your life - span.
常饮本品,促进健康,延年益寿.
...tourists flaunting themselves in front of the castle guards in bra and shorts.
穿着文胸和短裤在城堡卫兵面前招摇卖弄的游客们
Three lead wires are soldered to the anchor terminals.
在固定接线端子上焊有三根导线.
Nylon and silk differ.
尼龙与丝绸不同。
His wife has appealed to his abductors to release him.
他妻子请求绑架者释放他。
Peter took out his wallet and showed his ID to the man...
彼得掏出钱包向那人出示他的身份证件。
She walked me to my car...
她陪我走到我的车旁。
His older brother , Kalan, was destined for the throne.
伊索尔德是王母塔阿·丘姆的次子.
Effects of losses and nonideal behavior on CF are considered later.
下面我们再讨论各种损失及非理想特性对CF的影响.
All I know is that I've been soldiered out of five thousand dollars.
我只知道我给人家抢去了五千块钱.