色环

On the basis of the characteristics of atomic types in molecule,Hall's electrotopological state indices and Kier's molecule shape index(~mK are calculated for 117 alkanes,cyclanes, aliphatic alcohol ,aliphatic ketones.

这些拓扑指数被用于关联117种烷烃及其衍生物的色谱保留指数，经逐步回归与偏最小二乘法，建立了烷烃、环烷烃、脂肪醇及酮的R.I。与En、mK的4个最佳方程。

Three N-pivot lariat ethers with picrylamino group as side arms have been prepared, and the selective coloration of above chromogenic ethers for alkalic metal salts and amines have been studied conveniently by UV-Vis spectra.

设计合成了三个具有分子隙缝的、以苦胺基为侧臂的N-支套索冠醚，利用其生色基和UV-Vis吸收光谱，简便地研究了冠环大小、键连基团对碱金属盐和有机胺选择变色作用的影响。

To investigate the effects of serotonin (5-HT) and cyclic adenosine monophosphate in amygdala microinjection.

目的 研究杏仁核中5-羟色胺(5-HT)和环磷酸腺苷对大鼠睡眠的影响。

To explore the function of PDE in canine central nerve , gene expression of 18 PDE subtypes in different fractions of canine central nerve (cerebrum,cerebellum,myelencephalon and spinal cord) were detected by RT-PCR,and PDE activity was calculated by the content changes of cyclic nucleotides before and after the PDE reaction examined by high performance liquid chromatography.

为探明磷酸二酯酶(phosphodiesterase，PDE)在犬中枢神经活动中的作用，采用反转录聚合酶链反应检测18个PDE亚型在犬中枢神经不同部位中(大脑、小脑、延髓和脊髓各段)的表达分布，以高效液相色谱法检测环核苷酸在酶反应前后的含量变化，计算PDE活性。

Permeate exaggerated fantasy of child originally "my father " in this humorous drawing,image having molded a father who lets person be overwhelmed with laughter: This father is having a piece of long nightclothes on the whole day , he is not afraid of a wolf, being able to skip over the moon in one try of springing , eating as many as horse , loafing about as nimble as fish,..."My upper father's" lining papers pattern is a "my father " on one's body little part of that piece of palm fibre yellow nightclothes.

我爸爸》这本幽默的绘本里，透过孩子夸张的幻想，塑造了一个让人笑破肚皮的爸爸形象：这个爸爸一天到晚穿着一件长长的睡衣，他不怕狼，一跳就可以跳过月亮，吃得像马一样多，游得像鱼一样灵活……《我爸爸》的环衬上的图案就是"我爸爸"身上那件棕黄色睡衣的一个小小的局部。

Hebei Shuanglong Silver lacquer paint factory price is lower than the other plant 1 / 2, to call upon the lowest price; thousands of color paint, alkyd paints, Nitro-paints, silicone paints, quick drying paint , acrylic paint, whiteá, lead oil, blending paint, alkyd enamel, silver paint, Antirust Paint, all kinds of primer, topcoat, works with paint, steel with paint, nitro Enamel, heat resistant high temperature paint, crossed the road paint, epoxy coal Lek varnish, lacquer chimney, perchlorethylene paint, hundreds of industrial, civilian paint factory price is lower than the other 1 / 2; bucket can also be the lowest shipping barrel also can be customized!

，河北双龙银粉漆厂油漆价格低于其它厂1/2 ，来电话即告之最低价格；★数千种色油漆，醇酸油漆，硝基油漆，有机硅漆，快干油漆，丙烯酸漆，白厚漆，铅油，调合漆，醇酸磁漆，银粉漆，防锈漆，各种底漆，面漆，工程用漆，钢铁用漆，硝基磁漆，耐热耐高温漆，马路划线漆，环氧煤沥清漆，烟囱漆，过氯乙烯漆，数百种工业、民用油漆价格低于其它厂1/2 ；一桶也可以最低价发货，一桶也可订做！

Properties of water-based bicomponent photogelatin of SL404,404-1,405 series are introduced,popular solvents for screen cleaning are compared,it is said that cyclohexanone and alcohol have better results.

介绍了色浪SL404、404-1、405系列双组分水性平网制版感光胶的性能特点，并与国内外同类产品进行对比；试验了目前常用的印花网版擦洗用溶剂，发现环己酮或酒精总体效果较好。

A method for the determination of polycyclic aromatic hydrocarbons and phthalate esters in soil samples by gas chromatography-mass spectrometry was developed.

建立了气相色谱-质谱测定土壤中多环芳烃和酞酸酯类有机污染物的方法。

The results of GPC show that there are two different reaction mechanisms,linear condensation and cyclic reaction in the synthesis process,and the molecular weightreaches 1.17×105 and P d is 1.33.The DSC curves show that supercritical carbon dioxide can plasticize PC so that the T g of PC decreased.

凝胶渗透色谱测试表明，合成过程中存在线形缩聚和成环两种不同的反应机理，产物的重均分子量高达117740，分子量分布指数 P d=1.33；差示扫描量热法测试表明，超临界CO2能增塑PC致使其玻璃化转变温度降低。

The mechanism of the synergic effect of CNTs and PVA was discussed in this work.The ion association complex of Hep and EV noncovalented with CNTs through π-stacking, the hydrophilic property of which was improved in the presence of PYA.

在此缔合物显色体系中，含芳香环大分子的EV通过π~π作用于CNTs的管壁上，增大了有色物质的吸光面积；PVA的加入提高了CNTs及离子缔合物的分散性。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。