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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。
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。
This decree obliges unions to delay strikes.
该法令迫使工会推迟罢工。
Nothing to be got without pains but poverty.
一份耕耘，一份收获。
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。
Supporters of the death penalty argue that it would deter criminals from carrying guns...
死刑的支持者认为它能阻吓罪犯携带枪支。
相关例句
Incase of a traffic accident, please dial 122.
如发生交通事故, 请拨打122.
Zhang Yun - ao was an important anthologist of Xuan, Selection of Refined Literature in the Qing Dynasty.
张云璈系清代一位重要的《文选》学家, 其《选学胶言》一书在《文选》研究领域有着相当重要的地位.
There is much to be said on both sides.
公说公有理, 婆说婆有理。
No one knows you're a part of this. You can just walk away.
没人知道这件事与你有关。你可以置身事外。
His elevation to sainthood is entirely justified.
他荣升为圣徒是有充分理由的。
She changed into the working clothes.
她换上了工作服。
The workman patched the ceiling.
工人修补了天花板.
She feels rather shut in.
她觉得简直是被关在里面.
Clock-radios blast away until you get up.
收音机闹钟会一直响到你起床为止。
The Lord be with you.
愿主与你同在。