查询词典 preliminary

In the present project,the project group investigated Cololejeunea flora of some provinces of China, collected over 500 specimens of Cololejeunea and over 7000 specimens of other liverworts,and borrowed over 3500 specimens （including 416 types）from other important herbaria. The species diversity and distribution weree clarified preliminary by means of mophologocal and ecologoical observation and studies on oil bodies and chromosomes as well as bioactivity of some species.

本项目对我国部分省区作了详尽的野外考察，采集了500余份我国疣鳞苔属的标本和7000多号其它苔类植物标本，从世界各大标本馆借阅了3500余份标本（包括416份模式标本），通过形态学，解剖学和生态学的观察，结合一些种类的染色体和油体以及生物活性的研究，初步搞清了我国和其它亚洲国家疣鳞苔属的种类和分布。

The preliminary bioassay indicated that some of the target compounds displayed good herbicidal ac-tivity against Brassica campestris L at the dosage of 100 mg/L.

初步生物活性测试结果表明：该系列部分化合物在100 mg/L的浓度下对双子叶植物油菜显示出较好的除草活性。

The structures of the target compounds were confirmed by MS, IR, 1H NMR spectra, and elemental analysis. The preliminary biological tests show that some of the target compounds have certain herbicidal activities.

通过元素分析， 1H NMR， IR 和MS确定化合物的结构，初步生物活性测试表明标题化合物具有一定的除草活性。

Preliminary bioassay showed that all the synthesized compounds just showed a poor inhibition rate (0~45%) at 500 mg/L, much weaker than (72%~87%). The result suggested that chloro-atom on 2-position of pyridine ring may be indispensable for herbicidal activity.

初步除草活性测定结果表明，在500mg/L剂量下，所有化合物的除草活性（抑制率0~45%）远低于先导化合物（抑制率72%~87%），说明吡啶环2-位上的氯原子可能对维持该类化合物的除草活性是必需的。

Experts'research on the stability of water-based ink and process has been a preliminary study. Femandez and other matozoa of the discovery of water-based ink by electrostatic repulsion stability and space steric 's. Aromtics and gecol, and so on the surface of the plastic film studies indicate that water-based inks, join different types of surfactants can be effective removal of water-based inks, and Canadians zephiramine hexadecyl alkyltrimethylammonium can make the surface charge of carbon black particles.

国际学者差火性油墨的稳不退性和脱除工艺已举行了开端查究。femandez等发掘火性油墨的胶体稳不退性是由静电排不引力和不满答位阻效应成群不决的。gecol等差脱除塑料薄膜暗不天的火性油墨查究后暗示，参加差别种类暗不天活性剂均可灵验去除火性油墨，而且加人阳离子暗不天活性剂十六烷基不一甲基溴化铵可以使炭暗粒子暗不天电荷逆转。

A bacterium isolated from a soil sample collected in lakefront of Peigucuo Lake in Tibet showed strong inhibitory activity to Ustilago hordeum . it was identified as Bacillus polymyxa , named LN-176 based on a preliminary taxonomic study.

从西藏佩古错湖湖边的土壤中分离到一株对青稞散黑穗病菌具有较强抑制作用的细菌，经鉴定为多粘芽孢杆菌，命名为LN-176。

The advantages and disadvantages of the hydrometallurgical treatment of chalcopyrite concentrates and its preliminary economics are compared with those for the current best practices in copper smelting and refining.

目前有几个冶炼厂，在一个单一的熔炼炉内熔炼超过100万t的铜精矿。回收超过99%的二氧化硫，在自动化电解精炼厂生产出超过3

Central Maine Power's preliminary analyses suggest it will be cheaper to build hydropneumatic systems than their conventional cousins at low-head sites.

中央缅因州国的初步分析表明它会更便宜，建立油气系统比传统的堂兄弟在低水头网站。

OBJECTIVES: To study the effects of PSK on hyperlipoidemia and atherosclerotic formation of rabbits after a preliminary research of PSKon modulating lipoidemia in rats.

目的：研究PSK对高脂血症家兔和大鼠的调血脂和抗动脉粥样硬化的作用。

Compared with the human gene hp23, whose hyperthetical protein shows kinase activity of CK2 in preliminary study in our lab, mP24 shown 78% homology with hP23 on the amino acids sequences.

它与本课题组前期研究中的具有CK2激酶活性的人源新基因hp23氨基酸序列具有78%的同源性。

Fancy gold-plated dangling earrings with facetted White Opal crystals.

花式镀金悬垂耳环与facetted白欧泊水晶。

This essay chooses the study aim from biology teachers in middle school in Shi Jiazhuang which tells us that most of the middle school biology teachers in Shi Jiazhuang have the"burnout", lower successfulness, individualize.

本文选取石家庄市初中生物教师作为研究对象，运用问卷调查的方法对石家庄市初中生物教师职业倦怠的现状进行调查，调查结果发现，石家庄市初中生物教师这一群体普遍存在职业倦怠，情感枯竭程度偏高，成就感偏低，去个性化程度最为严重。