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The colloidal suspension of ZrO2 was prepared by ZrO2 and that of SiO2 was prepared by TEOS.

用旋转镀膜法在K9玻璃上分别制备了SiO2单层膜、ZrO2单层膜和ZrO2/SiO2/ZrO2三层膜。

Chapter 7 A Fused Silica PLOT Column Prepared with Nanotube Titanic Acid Adsorbent and the Influence of Treatment on Its Behavior In the chapter, the nanotubed titanic acid H〓Ti〓O〓(OH 〓 was synthesized in our laboratory, morphology and structure of nanotubed titanic acid was investigated, a fused silica PLOT column was prepared with used that as a new kind of stationary phase in gas-solid adsorption chromatography.

第七章 钛酸纳米管PLOT石英毛细管色谱柱的制备及热处理对色谱保留性能影响研究在实验室合成了具有较大比表面积和纳米管特性的钛酸纳米管，对其热处理前后的形貌和结构进行了表征，将其作为气-固色谱吸附剂制备出一种新型钛酸纳米管PLOT石英毛细管柱，同时考察了这种纳米管结构的钛酸作为固定相对C〓～C〓烷烃混合物、空气、SF〓以及CO和CO〓的分离能力。

The preparing method includes following steps: adding organic iron to carbon nanotube polylol solution, cooling to room temperature by heating to boiling, the product dispersing in toluol or chloroform via being separated, dried after adding nonpolar solvent, then adding the prepared solution to solution prepared by L-lactide and evocating agent, then separating, drying product.

本发明的制备方法如下：将有机铁加入到碳纳米管多元醇溶液中，加热到沸腾后冷却至室温，加入非极性溶剂后，分离、干燥产物，将所得产物分散在甲苯或三氯甲烷中，然后将所得溶液加入到L-丙交酯与引发剂配成的溶液中，然后分离、干燥产物。

With nucleus-shell polymer MBS as toughener,epoxy ethane as compatibilizer,nylon1212/MBS/epoxy blend was prepared by means of blending extrusion,and the mechanical properties of the prepared blend were determined.

采用核-壳聚合物MBS为增韧剂和环氧乙烷为相容剂，采用共混挤出的方法，制备了尼龙1212/MBS/Epoxy共混合金，测定了力学性能。

With PET/montmorillonite as matrix resin,flame retardant PET/montmorillonite engineering plastics reinforced by glass fiber were prepared by the addition of glass fiber,flame retardant agent and toughener,and the prepared engineering plastics could be molded at low moulding temperature.

PET以优异的综合性能和低廉的价格在纤维、薄膜方面获得了广泛应用，但是由于PET结晶速率低、产品收缩率大、模塑加工温度高、抗冲击性能差等缺点，限制了它在工程塑料方面的应用。

By this simple method, trinary oxides such as several kinds of ferrites were prepared. XRD and SEM were employed to characterize the phase and morphology of the final product. Hysteresis loops of the as-prepared ferrites were given and cobalt ferrite had the biggest magnetism and coercive force.

运用溶液燃烧法一步合成了多种铁氧体等三元氧化物，分别用X-射线粉末衍射、扫描电镜对其相态和形貌进行初步的表征；磁性能研究显示钴铁氧体具有最大的磁能积和矫顽力。

It was found that the stable cycling performance of the cathode material of spinel LiMn2O4 prepared by the way of microwave chemistry possess is better than that of the samples prepared by the way of solid phase in high temperature, but the specific capacity is unideal, the best result of the experiments is only 73mAh/g.

研究发现，在700-800℃之间恒温10分钟或600℃保温20分钟均可得到纯LiMn_2O_4

Be prepared to 准备 You ought to be prepared for some unpleasantness.

你要做好思想准备，可能发生一些不愉快的情况。

The general formulas of these compounds are as follows:The strobilurin derivatives were synthesized from substitutedβ-keto esters (2) as starting material which were prepared from substituted ketones (1) and dimethyl carbonate. The ester (2) and methyl hydrazine or substituted amidine were dissolved in methanol and the mixture was heated to reflux to obtain the substituted 5-hydroxy-1H-pyrazole (3) or 4-hydroxy-pyrimidine (4). The title compounds were prepared by reacting the intermediates (3 and 4) with substituted halomethylphenyls which contain four active group under basic conditions.

本论文所合成的strobilurin化合物均是以β-酮酸酯类化合物(2)为起始原料合成的，该中间体(2)是由酮类化合物(1)与碳酸二甲酯在碱性条件下反应生成的，中间体(2)与甲基肼或取代脒类化合物在甲醇中回流制得取代的1H-5-羟基吡唑(3)或4-羟基嘧啶(4)，中间体(3和4)再与包含四种活性基的苄卤中间体在碱性条件下制得目标化合物。

The genera formulas of these compounds are as follows:The strobilurin derivatives were synthesized from substitutedβ-keto esters (2) as starting material which were prepared from substituted ketones (1) and dimethyl carbonate. The ester (2) and methyl hydrazine or substituted amidine were dissolved in methanol and the mixture was heated to reflux to obtain the substituted 5-hydroxy-1H-pyrazole (3) or 4-hydroxy-pyrimidine (4). The title compounds were prepared by reacting the intermediates (3 and 4) with substituted halomethylphenyls which contain four active group under basic conditions.

本论文所合成的strobilurin化合物均是以β-酮酸酯类化合物(2)为起始原料合成的，该中间体(2)是由酮类化合物(1)与碳酸二甲酯在碱性条件下反应生成的，中间体(2)与甲基肼或取代脒类化合物在甲醇中回流制得取代的1H-5-羟基吡唑(3)或4-羟基嘧啶(4)，中间体(3和4)再与包含四种活性基的苄卤中间体在碱性条件下制得目标化合物。

More direct, directer ; most direct, directest

径直的，笔直的

Do you know how to use a chain saw?

你知道如何使用链锯吗？