symplectic是什么意思

网络释义

用法例句

Based on the Hamilton formulation of electro-magnetic waveguides,a finite element semi-analytical transverse discretization with symplectic formulation is used to solve waveguides with complicated cross sections.

为了解决复杂形状横截面的电磁波导问题,根据电磁波导的Hamilton体系,在辛几何形式下采用有限元半解析横向离散的方法对电磁波导进行求解。

Based on the Hamilton formulation for electro - magnetic wave guides, the finite element semi-analytical transverse discretization under the symplectic formulation is used to solve the problems of wave guide with complicated cross sections.

为了解决复杂形状横截面的电磁波导问题,根据电磁波导的Hamilton体系,采用有限元半解析横向离散的方法,在辛几何形式下对电磁波导进行求解。

The bending of annular sector plates is investigated with the symplectic solution in this paper.

根据平面弹性与薄板弯曲问题的相似性原理,极坐标系板弯曲的弯矩函数被引入作为原变量,并通过恰当的辛内积定义建立了环扇形薄板弯曲问题的一个辛几何空间。

Synthesis of ascorbyl octyl aldehyde acetals and their antioxidation activity in tea seed oil;

辛醛VC缩醛的合成及其在茶籽油中的抗氧化性能

Study on the synthesis of D-isoascorbyl octyl aldehyde acetal and its properties;

辛醛缩异VC的合成及其性能研究

Synthesis of sucrose octanoic acid ester by heteropoly acid catalyst;

杂多酸催化合成辛酸蔗糖酯

11 kinds of commercial milk powder were analysed with GC-MS in order to learn about their fat acid compose,and the result illuminated that there were 28 kinds of fat acids were detected in all samples,and only octanoic acid and decanoic acid were detected from 4 kinds of season fat acids of hexanoic acid,octanoic acid,nonanoioc acid and decanoic acid.

用气质(GC-MS)联用色谱分析了11个商业奶粉样品的脂肪酸组成以及含量,每个样品均检测到了28种脂肪酸,在表现奶粉风味的4个呈味脂肪酸,也即辛酸、己酸、壬酸和葵酸中只检测到了辛酸和葵酸。

Bromoxynil octanoate was synthesized from bromoxynil,octanoic acid and thionyl chloride in the solvent using DMF and N(C 2H 5) 3 as catalysts by one step reaction.

以DMF、三乙胺为催化剂 ,在溶剂中 ,用辛酸直接合成了溴苯腈辛酸酯 ,实现由酸合成酯的一步反应。

The lipase-catalyzed acidolysis of soybean oil with caprylic acid to produce structured lipids was investigated.

研究了固定化脂肪酶催化大豆油与辛酸酸解制备质构脂质的工艺。

Enzymatic esterification of glycerol and n-caprylic acid was studied under the catalysis of Novozyme 435 by means of microwave irradiation and conventional heating.

研究了微波辐射和常规加热下脂肪酶Novozyme 435催化甘油与n-辛酸的反应。

The research take 1,3-directional lipase as catalyst,which catalyzes acidolysis reactions of rapeseed oil and caprylic acid in free solvent to produce structured lipid of lower energy.

油脂是供能最高的一类营养物质,菜籽油在我国来源广泛,本文即以以1,3-定向脂肪酶为催化剂,使混合底物菜籽油和辛酸在无溶剂体系中进行酸解反应,以制备供能较低的结构脂质。

Effects of octanol on penumbra following experimental cerebral ischemia/reperfusion

缝隙连接阻断剂-辛醇对实验性局灶性脑缺血/再灌注半暗带的影响

The article expounds on supply-demand situation of n-butanol and octanol market both home and abroad and forecasts its development trends.

阐述并预测了国内外正丁醇和辛醇市场的供需情况及发展趋势,并分析了国内丁辛醇的价格走势,简述了羰基合成丁辛醇工艺技术发展动态,最后对我国发展丁辛醇提出了建议。

Butanol and octanol raffinates discharged from butanol and octanol plants contained valuable components,such as butyraldehyde,butanol,octanol and octenealdehyde,but the raffinates had not been rationally used as resource in some existing units.

丁辛醇装置排出的丁辛醇残液含有一定量的丁醛、丁醇、辛烯醛、辛醇等有价值的组分,但国内已有的装置不能合理利用这一资源。

toil and moil

做苦工，辛辛苦苦地工作

Spicy, spicy. It's an onion.

辛辣的，辛辣的，是洋葱。

students toiling over their homework

辛辛苦苦做功课的学生

COLLEGE-CONSERVATORY OF MUSIC, UNIVERSITY OF CINCINNATI, CINCINNATI, OH, USA, 1999

辛辛那提大学音乐学院,辛辛那提,俄亥俄州,美国

Characterized by or requiring toil.

辛苦的以辛苦工作为特征的或需要辛苦工作的

Thank you for all the trouble you've taken.

你辛苦了, 多谢。

You must be tired, sir.

你很辛苦了，阁下。

ROSING, Hans Pavia

汉斯·帕维亚·罗辛

Hsin-mei, what time is it?"

辛楣，什么时候了？”

Phoxim emulsifiable concentrate

GB9557-199940%辛硫磷乳油

"Hsieh-ch'üan?" sputtered Hsin-mei.

辛楣吐舌道：“斜川？

He fagged away at his work for weeks.

这项工作他辛辛苦苦干了几个星期。

He's doing five years in Sing Sing.

他在辛辛监狱里服5 年徒刑。

She was sweating at her work from morning till night.

她从早到晚都在辛辛苦苦地工作着。

Louise lost no time in returning to Cincinnati.

路易丝没有耽搁,马上回到辛辛那提。

The editor laboured over the manuscript till midnight.

编辑辛辛苦苦地修改手稿直到午夜。

The editor labored over the manuscript till early morning.

编辑辛辛苦苦修改稿件直到清晨。

fagging in the office, at her work

在办公室辛勤工作、 辛苦地做她的工作.