essential的例句大全

Composition of coriander seed essential oil prepared by steam distillation and supercritical co_2 fluid extraction

芫荽子超临界CO2流体萃取和水汽蒸馏精油的化学成分研究

Study on Chemical Constituents of Coriander Leaf Essential Oil and Scavenging Capacity Against the DPPH Radical

芫荽茎叶精油成分及清除DPPH自由基能力研究

Bubble chamber preliminary study of left ventricular function of essential hypertension with equilibrium assay

平衡法评价原发性高血压左室功能的初步探讨

A total of 67 compounds was identified including 21 that were reported in coriander seed essential oil for the first time.

共有67种化合物被鉴定，其中21种为首次在芫荽子精油中被发现。

In this paper a study of the composition of coriander seed essential oil prepared by steam distillation and supercritical CO_2 fluid extraction was made by means of GC and GC-MS.

本文采用GC和GC-MS技术对芫荽子超临界CO2流体萃取（SFE-CO2）精油的化学成分进行了剖析，并与水汽蒸馏（SD）精油作了比较。

A higher humidity can benefit your budgerigar, but is not essential.

较高的湿度可以受益的虎皮鹦鹉，但不是必不可少的。

The former play an extension of the political functions role and are not-for-profit service supplies. The former whose essential feature is sociality belongs to Special Corporation and its operation is normally interfered by the government.

前者发挥着政治功能的延伸作用，不以营利为最终追求，社会性是其本质所在，在根本上属于特殊法人，无法做到政企的绝对分开，其运作必然受到政府一定程度的干预。

Cleanliness is essential in all butchery operations.

在屠宰业的所有操作中，干净是非常重要的。

In the primary structure of stem, the essential oil was mainly distributed in cortex parenchyma cells;

在茎的初生结构中，挥发油主要分布在皮层薄壁组织细胞中；

Followed the instructions from the master, the auto-control unit, as an essential part for the system, controls the feeding of the returned sand, new sand, clay, water and coal powder precisely.

混砂机加料自动控制单元的功能在于接受上位机控制指令，向混砂机准确加入旧砂、新砂、粘土、水和煤粉等原料，是型砂质量直接优化控制系统的重要组成单元。

Study on the extract technology of bergamot essential oil by water vapor distillation

水蒸气蒸馏法提取佛手挥发油的工艺研究

The study on the technology and kinetics of chlorination of benzyl chloride is rather essential to the design of reactive distillation column in that the new technology about combination of reaction and distillation is used in the production of benzal chloride.

因为拟采用新型反应精馏耦合技术进行苄叉二氯的生产，研究氯化苄氯化工艺和动力学对于反应精馏塔的设计很有必要。

Sufferers typically cut out entire food groups-often in the mistaken belief they are unhealthy or their bodies are intolerant to them-thereby depriving themselves of essential nutrition and vitamins.

“完美食欲症”患者经常会选择放弃整类食物---错误地认为这类食物不健康，或者自己的身体不耐受，因此身体就会缺乏必须的营养和维生素。

Studies on the Synergist of Plant Essential Oils to Acaricide

植物精油增效杀螨剂的研究

While it is of course the perfect choice for jazz, funk, fusion and R& B, this KONTAKT instrument is also versatile enough for any production where authentic electric piano sound is essential.

虽然它当然是爵士乐，放克，融合和R&B的最佳选择，这康塔克特文书也是多才多艺的任何地方生产正宗的电钢琴的声音是必不可少不够。

On basis of the development of modern control technology and apply of the network technology and locale bus-mastering technology, this text analyzes the essential element for produce downcoiler system: principle of assign for speed;

基于现代控制技术的发展、网络技术以及现场总线技术的引用，本文分析了地下卷取机系统的基本要素：速度的分配原则；

In video communication, to transfer a video sequence over limited channel bandwidth, effective video compression is essential.

在视频通信中，为了在有限的信道带宽上传输视频，需要首先对原始视频信号进行有效的压缩。

The key point to note here was that it is essential to have valid business drivers for undertaking such major initiatives to tie back to business value.

这里要记住的一个关键点是：具有有效的业务驱动因素以保证这样的主要倡议与商业价值重新紧密相关，这是最根本的。

My favorite "softening up" therapy treatment is a self foot massage with warmed sesame oil and a few drops of the essential oil called vetiver.

那就是给自己的脚做个Spa，在spa水里滴上几滴麻油和由印度的香根草提炼而成的香精油。

Sugarcane is the most important sugar crop worldwide, breeding of new varieties is essential for the development of sugar industry.

甘蔗是世界主要糖料作物，甘蔗新品种选育对蔗糖业发展具有重要意义。