最佳

Based on the maximum margin criterion, a new algorithm of orthogonal optimal discriminant vectors and a new algorithm of statistically uncorrelated optimal discriminant vectors for feature extraction were proposed.

基于最大间距准则(Maximum Margin Criterion， MMC)下，提出一组具有标准正交性的最佳鉴别矢量的计算方法和一组具有统计不相关性的最佳鉴别矢量的计算方法。

The additional supplements including glucose,ascorbic acid and insulin had the enhancement effects on C.andersoni development,while folic acid had no significantly effect on C. andersoni development and calcium pantothenate had inhibited effect.When added 50 mmol/L glucose,50μg/ml ascorbic acid,0.3 U/ml insulin into 10%FCS RPMI-1640 medium,the proliferation of C.andersoni had a great significantly increase,and the gene copies of C.andersoni were 8-fold compared with that in 10%FCS RPMI-1640 medium.

冻融法+蛋白酶K法+声裂法提纯隐孢子虫卵囊DNA效果最佳，其次为冻融法+声裂法和蛋白酶K法+声裂法，冻融法+蛋白酶K法效果最差。10%FCS是培养安氏隐孢子虫的最佳FCS浓度，葡萄糖、维生素C和胰岛素都具有促安氏隐孢子虫增殖作用，泛酸钙无促虫体增殖效果，而叶酸则抑制虫体增殖。10%FCS RPMI-1640培养液中加入50 mmol/L葡萄糖，50μg/ml维生素C和0.3 U/ml胰岛素促安氏隐孢子虫增殖效果最显著，虫体增殖8倍。

The parabola equation that can be fixed to the test curve and has reliable physical meaning was given.

该方程的极值点确定了最佳掺杂含量与晶体结构和制备方法之间的定量关系，进而得到了一个最佳掺杂含量的表达式。

The pectin enzymolysis technology,juice debittering technology,and alcohol and acetic acid fermentation were studied. The results showed the best conditions of pectase hydrolysis are:amount of pectase 0.02%,temperature 50 ℃,pH 4.4 and time 4 h.

结果表明：果胶酶水解的最佳条件为：果胶酶添加量0.02%、温度50℃、pH4.4、时间120min；果汁脱苦最佳条件为：粒状活性炭添加量0.5%、室温搅拌60min；酒精发酵的最优条件为：接种量8%、发酵温度30℃、糖度20%、pH4.4、发酵时间4d；醋酸发酵的最优条件为：接种量10%、温度34℃、酒度8%、时间4d。

Complex flocculant PASS has the abilities of neutralizing electric charge and flocculating. The experimental results show: it is feasible that the emulsion wastewater can be treated into qualified discharging water. The dosage of flocculants and pH value have been optimized by coagulation experiments. In addition the mechanism for emulsion wastewater has been studied by using Perron timed complex colorimetric method and neutralization method. Aiming at characteristics of high concentration and high CODCr emulsion wastewater the technology that emphasized on coagulation-precipitation twice has been proposed in this paper.

本文采用复合型絮凝剂处理乳化液废水，研究结果表明，乳化液废水的处理过程包括凝聚脱稳及吸附絮凝，其中絮凝是决定混凝效果的关键性步骤，复合型絮凝剂聚硅酸硫酸铝是一种既具有较强的电中和能力，又具有优异的絮凝性能的无机混凝剂，通过对乳化液废水药剂筛选实验，实验结果表明聚硅酸硫酸铝对乳化液废水是比较合适的混凝剂，并确定了药剂的最佳投药量、最佳pH值条件等操作参数，针对乳化液废水的特点，综合国内外研究成果和经验，提出了二次混凝沉淀处理方案，该方案具有处理设备结构简单、运行管理简便等优点。

Coating phosphor with Al by the sol-gel route and with Si by the solid-state reaction at room temperature was studied.

研究表明，溶胶凝胶法包覆Al_2O_3最佳工艺为：温度90℃以上；选择HNO_3作胶溶剂，最佳浓度为0.025mol/L。

Different modifier s such as stearic acid,titanate coupling agent,sodium dodecyl benzene sulfonate and phosphorate are applied to improve the surface activity of ground calcium carbonate powder.

通过对改性效果分析，讨论各改性剂的改性特点及最佳配比，寻找碳酸钙的改性最佳工艺。

Then, expression of the best exposure is deduced by the parameters of photosensitive material.

从胶片感光特性曲线确定了使胶片获得高分辨率的最佳曝光量，并由感光材料的性能参数推导出最佳曝光量的表达式。

The results demonstrated that the optimum conditions for the growth of the strain and the removal rate for 1,2-Dichlorobenzene were pH 7.0, temperature at 30℃ and inoculation amount of 10% under phototrophic condition.

结果表明，在厌氧光照条件下球形红细菌的最佳生长和对邻二氯苯的最佳降解条件为：pH 7.0，温度为30℃，接种量10％。

Apply the metalloscope, the scanning electric mirrorand energy spectrum analysis instrument etc. material analysis way and MLD-10 dynamic load abrasion tester, JB-36 three use the impact tester etc. test equipment to analysis and test the wearable performance of selected material and welding quality of welding sample. So as to make certain the best welding material and welding crafts between the welding of pickax boot wearable material and pickax body material in making tamping pick adopting parted type structure.

应用金相显微镜、扫描电镜、能谱仪等材料分析手段以及MLD-10动载磨料磨损试验机、JB-36型三用冲击试验机等试验设备，对所选材料的耐磨性能和焊接试件的焊接质量进行分析测试，以确定分体式结构制造捣镐的工艺中最佳镐靴耐磨材料及其与镐体材料捍接过程中的最佳焊接材料和焊接工艺。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。