中性物质

结果表明，在本文所采用的锆溶胶体系中，以PVA为增稠剂、丙三醇等中性物质为干燥控制剂最为合适；

It shows that PVA and neutral DCCA such as glycerol are most suitable for zirconium sol system selected in this paper .

电中性物质的毛细管胶束电动色谱

Separation of Electric Neutral Compounds by Micellar Electrokinetic Capillary Chromatography

硫脲作为电中性物质，其平面三角形的极性氢键可作阴离子的识别位点。

The hydrogen bond on the complanate triangle structure of thiourea , a kind of neutrality substance , can be the identification point to anion .

电离辐射也穿过云际介质到达与母云分离的另两个云的表面，形成了从侧面看到的电离波前及被压缩和加热的中性物质壳。

The ionization radiation has also passed through the intercloud medium and got to the surfaces of two nearby clouds , forming the ionization fronts seen mainly edge-on as well as the compressed and heated neutral material shell .

Ⅲ型：AB与PAS都呈阳性，PAS阳性反应较强，含有以中性粘液物质为主的混合粘液物质；

Type III , PAS positive more than AB , the mucous cell include mixed mucopolysaccharide ;

以处理L4的香气成分含量最高，其中有5种酸性香气物质和17种中性香气物质的含量最高。

The contents of aroma constituents in treatment L4 , including 5 acid and 19 neutral , were the highest of all treatments .

所以，研究烘烤过程中烟叶中性香气物质组成含量的变化和调控因素对提高烟叶品质具有重要的理论和现实意义。

So it is meaningful for improving tobacco quality to study the contents changes of neutral aroma substances and regulation factors during curing process .

采用聚类分析、相关分析、方差分析方法研究了烟叶香气指数与中性香气物质及感官质量的关系。

By applying cluster analysis , correlation analysis and variance analysis , the relationship between aroma index and neutral aroma constituents as well as sensory quality of flue-cured tobacco leaves was studied .

其中云南大理和津巴布韦烤烟中质体色素及其降解形成的中性香气物质含量明显高于其他产区，云南烤烟中类胡萝卜素和其降解形成的香气物含量明显高于其他烤烟。

The content of chromoplast pigments and the neutrality volatile aroma of flue-cured tobacco of Yunnan Dali and Zimbabwe was clearly more than other producing area . The content of carotenoid and its degrading products in the Yunnan flue-cured tobacco was clearly more than that of the others .

本文主要采取了温浸、冷浸两种溶剂提取方法来提取贵州不同等级烟叶的香味物质，得到的提取物经初浓缩、酸洗、碱洗、最后浓缩处理，制得烟草中性香味物质。

This paper mainly describes warm and cold extraction methods , by which the flavors of different grades of tobacco from Guizhou are obtained . Further , the neutral flavor substances can be made from the extraction substances by primary concentration , acid wash , alkali wash , final concentration .

以Pt为活性组分，选择了具有酸性、中性和碱性物质作为载体，考察了各种催化剂对水相重整制氢的活性和选择性，并通过模型反应，探讨了可能的反应机理。

The catalysts of acid , neutral and alkaline carriers supported Pt are selected to investigate the activity and selectivity to APR. And the possible reaction mechanism of APR was discussed through the model reactions .

决明子SCⅡ（即决明种子的内核部分）中水溶性多糖的含量为3.9675%（SCⅠ中为0.3236%），SCⅡ的SDS-PAGE分析表明：决明子多糖是大分子量中性多糖类物质。

The content of the water-soluble polysaccharides from SC ⅱ ( the kernel of Semen Cassiae ) was 3.9675 % ( from SC ⅰ was 0.3236 % ) . And the SDS-PAGE analysis of SC ⅱ showed that the polysaccharides were neutral and macromolecular .

晒红烟陈化过程中中性致香物质含量的变化

Changes of neutral aroma components in sun-cured red tobacco during aging

烤烟中性致香物质与评吸结果关系研究

Research on Relationship between Neutral Aroma Constituents and Smoking Quality in Flue-Cured Tobacco

牛粪用量对烤烟中性致香物质含量的影响

Effects of cow dung on the contents of aroma components of flue-cured tobacco

狗牙根种质资源营养生长特性差异的研究延吉烟区不同烤烟品种中性致香物质差异分析

Analysis on Variation of Neutral Aroma Components among Flue-Cured Tobacco in Yanji Tobacco-Growing Area

植物生长调节剂对烤烟上部叶中性致香物质的影响

Effects of Plant Growth Regulators on Aroma Constituents of Upper Leaves in Flue-cured Tobacco

湘西北海拔高度与烤烟中性挥发性香气物质关系的研究

Effects of Planting Altitude on Content of Neutral Volatile Aroma Components in Flue-cured Tobacco

种植海拔对烤烟中性挥发性香气物质及燃吸品质的影响

Effects of Altitude on Neutral Volatile Aromatic Components in and Smoking Quality of Flue-cured Tobacco

生态因子与烤烟中性挥发性香气物质的关系研究

Research on the Relation of the Ecosystem Factor and Neutral Volatility Aromas in Flue-cured Tobacco

液膜覆盖对烤烟矿质元素和中性致香物质含量产生影响。

Liquid film mulching have great influence on the content of mineral element and neutral volatile aroma matters .

种植密度和留叶数对延边烤烟中性致香物质含量及评吸质量的影响

Effects of plant density and remained leaf number on contents of neutral aroma constituents and flavor quality of flue-cured tobacco

不同氮磷钾配施对烤烟石油醚提取物和中性致香物质的影响

Effects of Different Combining Application of N , P , K Fertilizers on Petroleum Ether Extracts and Aroma Constituents in Flue-cured Tobacco Leaves

平顶山烟叶的中性致香物质含量高于美国烟叶，主要原因在与平顶山烟叶中新植二烯的含量较高。

Pingdingshan neutral aroma of tobacco was higher than the United States Tobacco , the main reason is Pingdingshan tobacco with a high content of neophytadiene .

研究了大田常规措施下牛粪用量对烤烟烟叶中性致香物质含量的影响。

The effect on the relationship between the contents of neutral aroma components and the amount of cow dung in the field under common measure were researched .

云南烤烟种植海拔与致香成分的相关性分析延吉烟区不同烤烟品种中性致香物质差异分析

Correlation Analysis between Altitude and Aroma Composition Content of Flue-cured Tobacco in Yunnan Analysis on Variation of Neutral Aroma Components among Flue-Cured Tobacco in Yanji Tobacco-Growing Area

烤烟成熟过程中致香物质形成规律的关系延吉烟区不同烤烟品种中性致香物质差异分析

The Relationship between Maturation Process and Formation Rule of Aroma Components in Flue-cured Tobacco Analysis on Variation of Neutral Aroma Components among Flue-Cured Tobacco in Yanji Tobacco-Growing Area

这些作家认为人民是中性的的物质，被动的粒子，不动的原子，充其量是一种不知自己存在方式的植物。

The writers assume that people are inert matter , passive particles , motionless atoms , at best a kind of vegetation indifferent to its own manner of existence .

烟叶嗜锇颗粒含量与中性致香物质各组分关系密切，对烟叶新植二烯、类胡萝卜素类降解产物含量影响最大。

The relations between the osmiophilic granules content of tobacco leaf and neutral aroma substances were close , and had the greatest impact on the content of neophytadiene and carotenoids degrading products .

分泌细胞以顶浆分泌方式分泌酶原和粘液，其分泌的酸性和中性混合粘液物质可起到润滑肠道、保护粘膜的作用，分泌的消化酶参与肠腔中进行的细胞外消化。

The secretory cells can secrete digestive enzymes and mucus mixtures that the former can participate in extracellular digestion of intestinal lumen and the later play an important role in lubricating lumen , cohering food particles and protecting mucosa .