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In addition, the density of composite matrix could be controlled by altering the densifier addition to match the requirement of varying fluid velocity and expansion factor in expanded bed.

复合层析基质的柱层析行为表明：大孔型基质的洗脱峰形明显改善，柱压小，适合于高流速的固定床和扩张床层析；扩张床内可形成稳定的分级分布，符合扩张床吸附要求；可根据具体需要，调节碳化钨添加比例来优化操作流速和床层扩张率。

In the BC〓F〓 and BC〓F〓 generation of Yannong15×Thinopyron intermedium hybrid, 4 octoploids which had chromosome number of 2n=56 and could form 28 bivalent at PMC MI, 14 disomic addition lines which had chromosome number of 2n=44 and could form 22 bivalent at PMC MI; three monosomic addition lines which had chromosome number 2n=43 and had the chromosome configuration of 21Ⅱ+1Ⅰ at PMC MI, 1 substitution line which had chromosome number 2n=42 and could form 21 bivalent at PMC MI were selected by observation of mitosis in root tip cell and meiosis in pollen mother cell.

在烟农15与中间偃麦草杂交的BC〓F〓和BC〓F〓代中，通过根尖有丝分裂和花粉母细胞减数分裂中期Ⅰ观察选出4个2n=56，PMC MI染色体构型为28Ⅱ的八倍体小偃麦；14个2n=44，PMC MI染色体构型为22Ⅱ的双体异附加系；3个2n=43，PMC MI染色体构型为21Ⅱ+1Ⅰ的单体异附加系；1个2n=42，PMC MI染色体构型为21Ⅱ的异代换系。

By phenotype observation, combined with root tipchromosome counting, PMC MI pairing analysis and chromosome C-banding, a ditelosomic addition line 94K227 and a disomic addition line 94K280 was identified among BC2F2 and BC2F3 population respectively.C-banding results showed that 94K227 contains 1 pair of long arms in chromosome B, and 94K280 contains 1 pair of chromosome D from R.

用普通小麦-纤毛鹅观草双倍体与普通小麦中国春连续回交两次，然后连续自交，通过形态观察、根尖细胞染色体计数、花粉母细胞减数分裂中期Ⅰ染色体配对分析及染色体C－分带，在BC2F3和BC2F3群体中，分别筛选到一个端二体异附加系94K227和一个二体异附加系94K280，其中C-分带显示94K227添加的是纤毛鹅观草染色体B的一对长臂， 94K280添加的是纤毛鹅观草的一对染色体D。

The reaction products between disubstituted phosphinosilane and alkynes were those eliminating SiMe3 after addition rather than those via normal addition.

二取代膦基硅烷和炔类化合物之间的反应不是一般的加成产物，而是加成后SiMe3被H消去的产物。

Meanwhile,using extrusion buckwheat flour as raw material,studied the single factor experiment of buckwheat addition,water addition,exflagellation temperature and material fineness to the quality effects of Korean cold noodles.

同时，利用膨化荞麦粉为主要原料，分别进行了荞麦粉添加量、加水量、挤丝温度、物料细度4个因素对朝鲜族冷面品质影响的单因素实验。

In vehicle side modelling part, because the very abundant vehicle commander compares Europe is medium raises the back vehicle to be many trifle, in addition line agile glass modelling, therefore in the whole visual effect, draws close in station wagon's slender feeling; In addition as a result of the large scale wheel arch design, lets the introduction dispose 18 inches tires very abundantly, in visual effect slightly obviously frail; Special 昰, although has not used the mainstream the automobile body homochromy rear view mirror, the vehicle roof both sides extend before the files to the tailstock also have the special black to break out, but in very abundant actually reveals the unique American rough atmosphere.

在车侧造型部分，由于酷博的车长较欧系中型掀背车多出些许，加上线条利落的车窗造型，因此在整体的视觉效果上，更趋近于旅行车的修长感；此外由于大型化的轮拱设计，让引进配置18寸车胎的酷博，在视觉效果上略显单薄；特别的昰，尽管并未采用主流的车身同色后视镜，车顶两侧由前档延伸至车尾亦有特殊的黑色突起，但在酷博却流露出独特的美式粗犷氛围。

Direct separation of lead and antimony from jamesonite by oxidizing volatilization roasting, with addition of one kind of catalyst; in addition, it discusses separately the factors that affect lead and antimony separation results under such process.

本试验研究了一种新工艺，通过加入一种催化剂，对脆硫铅锑矿进行氧化挥发焙烧，实现铅锑的一步分离；同时，对该工艺下影响脆硫铅锑矿铅锑分离效果的因素也分别进行了讨论。

The dissertation mainly consists of two parts:1. The Reaction Chemistry of Alkynes under Palladium Catalysis Part 1 studies the reaction α,β-unsaturated carbonyl compounds with alkenylpalladium intermediate generated by nucleopalladation, and discovered 1 the Pd-catalyzed tandem addition reaction of halides, alkynes and α,β-unsaturated carbonyls,2 the four-component tandem addition reaction of halides, alkynes and α,β-unsaturated carbonyls, 3 the tandem intramolecular oxypalladation-conjugate additionreaction of alkynoic acids with α,β-enals. These new reactions provide notonly efficient highly stereoselective methods for the synthesis of γ,δ-unsaturated,polyunsaturated carbonyl compounds and γ-lactonic aldehydes, but also thebasic transformations for a number of C-C bond formation reactions which can be usedto design synthesis of many acyclic, cyclic or polycyclic compounds.

本论文的主要工作分为两个部分：一、钯催化下炔烃的反应化学在本小组前人工作的基础上，我们详细研究了炔烃亲核钯化产生的烯基钯中间体与α，β-不饱和羰基化合物的反应，发现两价钯催化下卤离子-炔烃-α，β-不饱和醛酮的串联加成反应、卤离子-炔烃-α，β-不饱和醛酮的西组分串联加成及炔酸分子内氧钯化-串联Michael型加成反应；由此发展了γ，δ-不饱和醛酮、多不饱和羰基化合物和带有醛酮基侧链的γ-丁内酯衍生物的高立体选择性合成方法，这一过量卤离子存在下的烯基钯对α，β-不饱和羰基化合物共轭加成反应的发现，为大量碳-碳键形成反应的实现提供了基础，使我们能够从这一基本反应出发，设计和开发多种分子内、分子间的碳碳成键反应，以好的立体、区域选择性组建开链、环状及多环类型的化合物。

To avoid the low yield in direct hydrosilylation addition of allyamine, 1, 1, 1, 3, 3, 3-hexamethyldisilazane is used to protect the amino groups, and the protective groups are removed easily after hydrosilylation addition, then the high yield of ladderlike copolymethyl-aminpropylsilsesquioxane was obtained.

为了克服将烯丙基胺直接与聚氢基甲基倍半硅氧烷进行硅氢加成反应接枝效率低的缺点，探索用六甲基二硅氮烷对烯丙基胺预保护，硅氢加成反应后再脱保护，从而以较高产率制备了含胺丙基、甲基的反应性梯形共聚倍半硅氧烷。

Because of addition of ACR, mobility of copolymerization resin becomes better than that of pure PVC.The synthesis of ACR latices were enlarged, and they were grafted with vinyl chloride, results indicate the copolymerization resin has better modified effect and steady properties .In addition, the main design parameters of a 1m3 autoclave were designed, it made an preparation for enlarging experiment of suspension copolymerization.

对ACR胶乳进行了放大实验，并与氯乙烯进行了接枝和共混，所得树脂改性效果良好，性能稳定，为工业化生产奠定了基础，另外，对1m~3反应釜的主要参数进行了设计，为悬浮接枝的放大实验做准备。

We are in a good position to meet your requirements.

我们完全可以满足你方的需求。

We are all pervade d with a sense of disaster.

我们普遍有大祸降临的感觉。