查询词典 optimum solution

The effects of every main factors on extraction ratio are discussed, and the optimum conditions of extraction effective components from zizyphus jujuba are determined with the orthogonal test. Optimum conditions are obtained by using a new method of H2O2-decoloring in alkalescent condition, and effects of correlation factors on decoloring ratio are discussed. The yield ratio of polysaccharide is above 5.26% under these optimum conditions.

首先研究了不同提取过程中各因素对多糖提取率的影响，结合正交实验确定了微波最佳提取工艺条件；然后采用双氧水弱碱性条件下脱色新工艺，并对脱色各影响因素对多糖脱色率的影响进行了讨论，最终得出最优脱色条件，使多糖得率达到5.26％以上。

To obtain the best nutritional quality, the optimum nitrogen application is 125.8kg/hm~2 under middle density, during different development stage, the best C/N value were respectively 1.35-1.40, 1.17-1.25, 1.02-1.03, 0.62-0.71, 1.55-1.72, 0.98-1.02.8, Consequently, to obtain the unification between high yield and good quality, under the conditions of this study the optimum plant density is 60000 plant/hm2, the optimum nitrogen application is 120kg/hm2 to 180kg/hm2 under this density, it was obtained that at five-leaf, seven-leaf, ten-leaf, silking, lid after silking and harvest stage, the best C/N value were 1.27-1.63, 0.80-1.38, 0.81-1.07, 0.62-0.90, 1.39-1.72, 0.98-1.17, respectively.

在各生育时期适宜叶片碳氮比值分别为：1.35～1.40、1.17～1.25、1.02～1.03、0.62～0.71、1.55～1.72、0.98～1.02。 8、综合各因素，要达到甜玉米高产优质的统一，本试验推荐种植密度为60000株/hm~2，中密度下适宜施氮量为120～180kg/hm~2，叶片碳氮比值在五叶展、七叶展、十叶展、吐丝期、吐丝后11天、收获期动态变化为：1.27～1.63、0.80～1.38、0.81～1.07、0.62～0.90、1.39～1.72、0.98～1.17。

The research on the tissue culture and cell suspension culture showed that thesuitable culture medium for inducing bud was MS supplemented with 1.5mg/L 6-BAand 0.1mg/L NAA, and for the generation-continuing multiplication was MSsupplemented with 1.5mg/L 6-BA and 0.2mg/L NAA. The rooting medium was1/2MS supplemented with 0.5mg/L IBA and the rooting rate was 45.0%. Plantletsurvival after transfer to sand was 52.5%.The induction rate of calli was66.7%～86.6% and the optimum medium was MS medium with 0.5mg/L 6-BA and2.0mg/L 2,4-D. The calli became smallest partical size, friable and had gooddispersion ability after 3 times successive transfer culture, the optimum medium wasMS medium with 0.2mg/L 6-BA and 2.0mg/L 2,4-D. Culturing these particles on sixkinds of MS liquid media with different hormone contents, the optimum medium wasselected basing on he change of the density of single-cell, the density of cellaggrefate and the mass of cell.

对蒜头果进行的组织培养与细胞悬浮培养研究结果表明：MS+6-BA1.5mg／L+NAA0.1mg／L+蔗糖3％激素组合能够较好地诱导芽的初始分化和增殖，适宜的芽苗继代增殖培养基为MS+6-BA1.5mg／L+NAA0.2mg／L+蔗糖3％；采用1／2MS+IBA0.5mg／L+蔗糖3％为生根培养基，生根率为45.0％；移栽到河沙的生根苗成活率为52.5％；愈伤组织诱导率为66.7％～86.6％，其中以MS+6-BA0.5mg／L+2，4-D2.0mg／L+蔗糖3％的培养基最佳，其诱导出的愈伤组织具有较强的增殖能力和较好的脆散结构，最佳继代培养基为MS+6-BA0.2mg／L+2，4-D2.0mg／L+蔗糖3％，且培养基中的6-BA与2，4-D浓度的比值越小，愈伤组织生长越快，结构越脆散，增殖率越高；将继代后的愈伤组织转入6种含不同激素浓度组合的MS液体培养基中进行振荡培养，在综合分析各培养基的单细胞密度，细胞团块密度，细胞生物量增长率等指标后，初步筛选出MS+6-BA0.2mg／L+2，4-D2.0mg／L培养基为较好的液体培养基。

With the object of optimum bearing capacity and optimum working conditions, and under meeting reliability and certain conditions, the mathematical model of hydrodynamic lubricant radial journal bearing was established for reliability optimum design.

在满足可靠性及其他要求的条件下，以获得最佳承载能力与工作状态为目标，建立了流体动压润滑向心滑动轴承的可靠性优化设计数学模型，并列举了计算示例。

With rice cultivars Yangdao 6and Wuyujing 3 as test materials, the effects of relatively high temperature (RHT, mean temperature 30 ℃) at grain-filling stage on the starch viscosity profile and magnesium and potassium contents of rice grain were studied in a phytotron. Four temperature treatments were installed, i.e., RHT at whole GFS, RHT at early GFS and optimum temperature at later GFS, optimum temperature at early GFS and RHT at later GFS, and optimum temperature (CK, mean temperature 23 ℃) at whole GFS.

选用武育粳3号和扬稻6号两个水稻品种，利用人工气候室在水稻灌浆结实期进行控温试验，设置全结实期相对高温、结实前期相对高温、结实后期相对高温、全结实期适温（对照，日均温23℃）对照4个处理，探讨结实期不同时段相对高温（日均温度30℃）对稻米淀粉粘滞性谱和Mg、K等元素含量的影响。

Results: The ratio of Lactobacillus bulgaricus and Streptococcus thermophillus is 1:1. The optimum formula of the expanded fermentation is: tomato and carrot juice 3:7, glucose 2%, NFM 4%, and vaccination 3%. The optimum formula of the fermented liquid is: tomato and carrot juice 3:7, fermentation temperature 41℃, fermentation time 24h, and the amount of vaccination 3%. The optimum formula of fermented beverage is: sucrose 5%, citric acid 0.02%, CMC 0.2% and xanthic gluc 0.03%.

结果：用保加利亚乳杆菌和嗜热链球菌按1：1比例作为菌种；种子扩大液的最佳配方：番茄、胡萝卜混合汁配比3：7，2%葡萄糖，2%脱脂乳，3%接种量；发酵液最佳配方：番茄、胡萝卜混合汁配比3：7，发酵温度41℃，发酵时间24h，接种量3%；发酵饮料调配最佳配方；发酵原液中添加蔗糖5%，柠檬酸0.02%，耐酸羧甲基纤维素钠0.2%，黄原胶0.03%。

Secondly, by linearizing the system at the unique positive equilibrium solution and analyzing the associated characteristic equation, it is found that the positive equilibrium solution is asymptotically stable when the delay equals to zero and when it is increased to certain critical value, the positive equilibrium solution will loss the stability and a spatially heterohomogeneous periodic solution will bifurcate from this positive equilibrium solution.

通过在系统唯一的正平衡解处线性化系统和分析相应的特征方程，发现在时滞等于零时该正平衡解是渐近稳定的，当时滞逐渐增大到某个临界值时该正平衡解将失去稳定性而且在该平衡解处分支出空间非齐次的周期解。

Huang and Lin proposed the weak solution concept for Backward Stochastic Differential Equation This paper based on the predecessor's work , gives the weak solution concept for Backward Stochastic Differential Equation with continuous martingale,uses the Girsanov transformation, obtains its weak solution of the existence of a necessary and sufficient conditions, and on this basis obtains its weak solution of the existence of sufficient conditions,these sufficient conditions weakened the drifting coefficient which requested in the existence uniqueness of strong solution to satisfy the Lipschitz condition the request.

本文在前人研究的基础上，给出由连续鞅驱动的倒向随机微分方程弱解的概念，利用Girsanov变换，得到其弱解存在的存在的一个充分必要条件，并在此基础上得到了其弱解存在的一些充分条件，这些充分条件减弱了在强解的存在唯一性中要求的漂移系数满足Lipschitz条件的要求。

The invention discloses an InP quantum point preparing method, comprising the steps of:(1) mixing InCl3 with trioctylphosphine oxide, and preserving heat at 90-110DEG C to prepare a solution whose In content is 0.1-0.3mol/L;(2) raising temperature to 130-180DEG C, and charging argon gas;(3) injecting PSi(CH333 into InCl3-TOPO compound in the molar ratio of 1 to 1-1 to 2;(4) when the solution color turns into transparent red or orange, raising temperature to 260-270DEG C and preserving heat;(5) lowering temperature to 90-110DEG C and injecting dodecyl amine, decyl amine or mercaptan;(6) dissolving reacting mixture in nonpolar solvent to form transparent colloidal solution, then adding in polar solution until the colloidal solution is muddy, and centrifugally separating and obtaining deposits and supernatant; and (7) centrifugally separating the supernatant, where the above steps (1)-(5) are performed.

本发明公开了一种InP量子点的制备方法，其步骤为：①将InCl 3 与三辛基氧膦混合，在90～110℃保温制得In含量为0.1～0.3mol/L的溶液；②升温到130～180℃，通入氩气；③将PSi(CH 3 3 3 注射入InCl 3 -TOPO复合物中，其摩尔比为1∶1～1∶2；④待溶液颜色变为透明的红色或橙红色，将升温260～270℃保温；⑤降温到90～110℃，注入十二胺、癸胺或硫醇；⑥将反应混合物溶于非极性溶剂，形成透明的胶体溶液，然后加入极性溶剂，直至胶体溶液出现混浊状，然后离心分离获得沉积物和上层清液；⑦取上层清液进行离心分离。上述步骤①～⑤在保护气氛下进行。

Local lesion assay indicated that when mixed with TMV-infected leaf juice dilution within 3 minutes, 5 disinfectants showed 100% inactivation ratio, including 30% chloride of lime 1:9 solution, 98% trisodium phosphate 1:9 solution, 7% sodium hypochlorite 1:150 solution, anonymity disinfectant used in USA 1:125 solution, and 75% alcohol solution.

摘 要：为了指导烟草漂浮育苗中剪叶工具消毒剂的使用，采用半叶法测定了9种药剂对烟草病叶汁液中TMV的钝化效果，采用叶面喷雾法测定了药剂对烟草的药害浓度与药害症状。

He even flies with it as carryon luggage.

他甚至苍蝇与它作为随身行李。

I don't think I can eat it very neatly! Page 74

我认为我不能很整洁地吃呀！