查询词典 optimal control

Considering linear and O-linear predictable variables, the author investigates optimal prediction problems by the trace of matrix. A few necessary conditions are derived and accordingly optimal linear and optimal O-linear unbiased predictors, which are unique with probabitity one, are obtained respectively by the author.

对于一类线性可预测变量和Φ-线性可预测变量，作者在矩阵迹意义下研究了一般增长曲线模型中最优预测问题，找到了其存在最优预测的几个必要条件，并在给定的条件下分别得到了最优线性无偏预测和最优Φ-线性无偏预测，而且还证明了它们在几乎处处意义下的唯一性。

In addition to particular introduction of the ANSYS optimal analysis technique's fundamental、basic concepts and optimal analysis flow, the paper also compares the merits and flaws of zero order and first order optimal analysis method.

详细介绍了ANSYS优化设计技术的基本原理、基本概念，以及优化分析流程，比较了零阶优化分析方法和一阶优化分析方法的优缺点。

Using colchicine for the induction of polyploidy plants is one of the ways of artificial induction. Colchicine, root length and light were selected as the influencing factors to induce polyploidy Amorpha optimal with the root tip smeared, to explore the optimal induction conditions for polyploidy Amorpha optimal.

用秋水仙素对植物进行多倍体诱导是人工诱导的方法之一，为了探究诱导紫穗槐多倍体的最优化条件，选取秋水仙碱，根长以及光照情况3个影响因素，对紫穗槐根尖进行涂抹处理诱导多倍体。

The sub-problem optimal way is used to optimize the mutual insert multi-span greenhouse and the optimal result is disposed using iterated algorithm. Through repetitious iterative disposing the optimal result of three kinds of loads to the mutual insert multi-span greenhouse, it is acquired that the arch pipe's diameter is 32mm, the knighthead's diameter 20mm, the mutual distance 60cm and the gradient side pole's horizontal projection distance is 50cm.

采用零阶优化方法对互插式塑料温室的优化计算结果进行多次迭代处理，得到3种工况下的优化结果：拱杆直径为32mm；支撑杆直径为20mm；互插间距为60cm；倾斜侧杆的水平投影为50cm。

It is derived that the optimal temperature,optimal pH value,optimal carbon content in media and concentration of NaCl for the growth of oligotrophic bacteria are 37 ℃,8～9,15 mg/L and 1%～20% respectively,which can provide the new conception and theoretical foundation for researching the microorganisms,inhabiting under the peculiar environmental,especially the oligotrophic microorganisms.

通过对新疆荒漠地区分离得到的五株低营养细菌的理化特性研究，初步摸索到了分离培养的方法，并测得其生长温度范围和最适温度37℃；最适pH值8～9；最适含碳量15 mg/L培养基，生长需要1%～20%的NaCl浓度，以及一系列生理生化反应指标，为特殊环境微生物尤其是低营养微生物的研究提供了一些新的思路和理论依据。

The optimal nitrogen source is tryptone, the optimal carbon source is glucose, the optimal condition for lipase producing are inoculation for 1.5%, initial pH7.0, clutivated aerobically at 28℃with an aeration rate of 200rpm for 48 hours.

作者从成都及周边地区汽车修理厂，机油厂、植物油厂、餐厅、菜市场等富含油脂的土壤中，用溴甲酚紫平板筛选得到80余株产脂肪酶的菌株，其中大部分酶活在10—20u／ml范围内。

This paper brings forward a approach for textile flaw automatic detection based on optimal Gabor filters. At first the niche genetic algorithm is employed to attain the parameters of the optimal Gabor filters and segmentation threshold based on the feature of the unflawed textile,and then apply the optimal Gabor filter and threshold on the fabric image to achieve the resnlts.

为了对织物缺陷进行快速准确的自动检测，建立了一种基于Gabor滤波器的织物缺陷自动检测方法，即首先根据无缺陷织物的结构特征，应用小生境遗传算法寻找最优的Gabor滤波器参数和分割阈值；然后将待检图像通过滤波和分割来得到检测结果，同时根据响应矩阵的极小值点来计算缺陷的形状特征。

The experimental result shows that the main determinative factor is the temperature of the sea water for the growth after the transplantation; the optimal temperature for the growth of Zostera marina L. is 10~20℃; it is strongly salt-tolerant and it can grow at the salinity range of 20‰~48‰ normally; its rhizome is the optimal organ for culturing and the optimal hormone concentration for the calluses induction is 2mg/L or so.

实验结果表明，大叶藻移植后生长的主要制约因素是海水温度；大叶藻生长的最适温度是10～20℃；大叶藻对盐度的耐受性很强，它可以在盐度为20‰～48‰的范围内正常生长；地下茎是组织培养的最适材料；诱导愈伤组织的最适激素(2，4-D)浓度为2mg/L。

The results showed that MS medium was the optimal basic culture medium; the regeneration frequency of leaf was the highest , then etiolated internode, internode was the lowest , their highest regeneration frequencies were 74.1%, 51.9%, 42.6%, respectively. The optimal dark treatment time for leaf and internode was 3 weeks; however the optimal dark treatment time for etiolated internodes was 2 weeks.

结果表明3种外植体的最适基本培养基均为MS培养基；叶片的再生效果最好，其次为黄化茎段，茎段最差，最高再生频率分别为74.1%，51.9%，42.6%；叶片和茎段的最佳暗处理时间为3周，黄化茎段的最佳暗处理时间为2周。

The results showed the optimal conditions of pectinase hydrolysis are amount of pectinase 0.127%,temperature 45.5 ℃,and time 3.3 h; The optimal technological parameters of alcoholic fermentation are amount of yeast 3%,temperature 28 ℃,and initial sugar content 16%; The optimal technological parameters of acetic fermentation are amount vinegar agarics 8%,temperature 32.5℃,...

以锦橙为原料研制锦橙果醋，并对锦橙果醋的酿造工艺参数等进行研究，研究结果表明，果胶酶水解的最佳条件为：加酶量0.127%、温度45.5℃、时间3.3h；酒精发酵的最优条件为：酵母接种量3%、温度28℃、初始糖度16%；醋酸发酵的最优条件为：醋母接种量8%、温度32.5℃、酒精度7%；澄清效果以壳聚糖添加量0.05%时为佳。

You can do some assertiveness training.

你可以进行一些自信训练。

We were well on the path to making a rear-wheel-drive global platform," says Mays."

我们正致力于建立一个后轮驱动的平台，"Mays这样说道。"