查询词典 optimum solution

The paper proposes an algorithm based on the combination of Ant Colony Optimization and Particle Swarm Optimization for path planning.The new algorithm combines the advantages of ACO and PSO effectively and generates the distribution of the initial information for ACO by using the merits of high efficiency and concision of PSO,and then uses the advantages of parallelizability,positive feedback and solution with high accuracy of ACO to get global optimum solution.

提出了一种基于蚁群粒子群算法融合的机器人全局路径规划算法，该方法有效地结合了蚁群算法和粒子群算法的优点，利用粒子群算法的快速简洁等特点得到蚁群算法初始信息素分布；然后利用蚁群算法的并行性、正反馈性、求解精度高等优点，求得全局最优解。

In the acidic solution, better photodecomposition efficiency is achieved than in the neutral or alkaline solution. The experiments demonstrated that the optimum doping of La at 10 mol%, the maximum photodecomposition in dye concertration at 15 mg/L and photocatalytic dosage at 0.75 g/L, achieving the highest effect.

於本研究中，改质式光触媒於酸性条件下有最佳光活性；在固定触媒总量下，以LT10（镧钛莫耳比0.1）之触媒有最佳的光催化效果；而在初始浓度，以单位克重TiO2负荷去除量而言，以15 mg/L有著最佳的处理效果；添加量为0.75 g/L可有效利用触媒，以达到经济效应。

Affecting behaviors of H3BO3, NaOH and PVA are studied. The optimum test conditions are as follows: 10 mL of 2%H3BO3, 10 mL of 1 mol/L NaOH, 1 mL of Rochelle salt solution, 0.16 mL of 5%PVA, 1 mL of Nesslers reagent solution, and the reaction time is 10 min.

对H3BO3，NaOH和PVA的影响规律进行了研究，提出了最佳实验条件：以2%H3BO3溶液作吸收液，1 mol/L NaOH溶液10 mL，罗谢尔盐溶液1.00 mL，5%聚乙烯醇 0.16 mL，纳氏试剂1.00 mL，反应10 min。

To improve the robust characteristic s , the paper makes use of nonlinear constraint method is used to optimize the weight vector of adaptive pattern. The final solution of weight vector is different from alterable diagonal loading and the unknown parameter in optimum optimal solution can be obtained easily and accurately.

为了提高算法的稳健性，本文采用非线性约束方法对进行优化，的优化解在形式上不同于可变对角加载类算法，且优化解中的待定参数容易准确求出。

Extraction of edible red pigmengt from solanum nigrum fruit by optimum seeked process conditions, determined single factor condition, designed orthogonal layout, and measured absorbance at 527nm wavelength, weighed up the pigment extracting effect and stability. The most favoured extracte conditions were determined as follows: The extracting regent was citric acid hydrotropic solution, pH was 1.72, the quantities of added sample to the solution was 3.35g/100mL, the temperature was 60℃, the extracting time w...

以成熟的龙葵果为原料提取食用红色素，通过优化工艺、确定单因素条件、设计正交试验，以527nm波长的吸光度值衡量色素提取效果和稳定性；最优化的提取条件为：柠檬酸水溶液提取剂pH为1.72，样品加量3.35g/100mL，提取温度60℃，浸提时间60min；龙葵红色素提取液长期接触光、空气和Fe3+，稳定性下降，因此，在提取、干燥和储存时要尽量避免长时间接触光和空气、避免与铁制容器直接接触。

PH, temperature, amount and adding time of papain, autolysis duration could affect autolysis with external papain to some extent, and the optimum technology conditions were that papain was added by 10×10~4u per kg autolyzed solution at 6 hours after autolysis beginning, pH was adjusted to 6.0, then autolyzed at 55℃ for 26 hours. Suitable adding amount of yeast extract was 0.4 percent of autolyzed solution.

自溶过程中RNA的降解自溶过程中RNA降解的研究表明，在酵母自溶过程中，RNA降解率先缓慢增加，之后迅速上升，最后逐步趋于平衡；而上清液5'-GMP及5'-IMP总量则是先缓慢增加，迅速上升后则又开始下降；pH和温度对于RNA的降解有较大的影响：高压均质及NaCl的添加均能加速RNA的降解，提高上清液5'-GMP及5'-IMP总量，并且可提前上清液5'-GMP及5'-IMP总量开始下降的时间。3。

So in this paper based on the characteristics and the optimum state theory of the vehicle, some kinds of control schemes are compared and discussed, and the fuzzy PID control scheme is adopted at last. The relation between air-cushion pressure and fan rotational speed on the optimum driving state is studied. The cushion pressure is used as controlled variable and the fan revolution is used as regulated variable. And transducer and fan motor are actuators.Based on the structure and operating properties of half-tracked air-cushion vehicle, the control system scheme and structure are presented. A control scheme using the self-tuning PID fuzzy logical controller is adopted. Fuzzy rules are set up and some researches have been done for fuzzy tuning method. At the same time the real-time measurement scheme by computer control is proposed, and electric circuits are designed. In the control system of half-tracked air-cushion vehicle cushion pressure P〓 is used as controlled variable and the fan speed n〓 as regulated variable.

因此本文以半履带式气垫车的特性和最佳工作状态理论为指导，通过对各种控制方法的比较与探讨，提出采用模糊PID控制方案，并且研究了在最佳工作状态下垫压及风机转速的关系，提出气垫压力作为控制参数，变频器和风机电机为执行机构，风机转速为调节量；主要进行了自整定模糊PID控制器的设计，研究了自整定PID模糊控制器的实现方法，编制了模糊控制规则，制定了模糊控制参数查询表，并分析了影响自整定模糊控制器相关的影响因素，确定了模糊控制表；为了实现半履带式气垫车的自动控制，还提出了计算机模糊控制系统的原理与结构，设计了相应的测量电路与控制软件。

The results show that:1 the optimum addition of albite is 3 %.2 8 % is the optimum addition of quartz.

钠长石的加入量以3%为宜；石英的加入量以8%为宜。

In this paper, through a series of experiments, two series of quaternary-ammounium Gemini surfactants were synthesized, namely the pair alkylene double quaternary ammonium salt surfactant m-s-m·2Br and the pair the alkylene double quaternary ammonium salt surfactant -s-·2Br. We has carried on the attribute with the infrared spectrum to its structure, and to affected the factor which the synthesis pair the alkylene double quaternary ammonium salt surfactant responded to carry on the discussion. We has discovered the synthesis pair the ethylene double quaternary ammonium salt surfactant m-2-m·2Br optimum condition: The bromo alkane and a tetramethyl ethylene diamine mole of ratio is 3.0: 1.0, makes the solvent by the ethyl alcohol, 80℃ under responds for 48 hours in the backflow temperature; Synthesis pair alkylene double quaternary ammonium salt surfactant 12-S-12 ·2Br optimum condition: 12 tertiary amine and 1, 3- propylene dibromide (1, 4- two bromines butane) a mole of ratio is 2.2: 1.0, makes the solvent by the ethyl alcohol, responds for 48 hours in the constant temperature 80 ℃ under backflow.

本文通过一系列的实验，合成了两个系列的Gemini型表面活性剂，即双烷撑双季铵盐表面活性剂m-s-m·2Br和双烷撑双季铵盐表面活性剂-s-·2Br，用红外光谱对其结构进行了表征，并且对影响合成双烷撑双季铵盐表面活性剂反应的因素进行了讨论，找出了合成双乙撑双季铵盐表面活性剂m-2-m·2Br的最佳条件：溴代烷与四甲基乙二胺的摩尔比为3.0：1.0，以乙醇作溶剂，在回流温度80℃下反应48小时；合成双烷撑双季铵盐表面活性剂12-s-12·2Br的最佳条件：十二叔胺与1，3-二溴丙烷(1，4-二溴丁烷)摩尔比为2.2：1.0，以乙醇作溶剂，在恒温80℃下回流反应48小时。

Futher results showed that: the optimum growth temperature for the 4 lactic acid bacteria was 30℃; and the pH 3.5~4.0; all 4 lactic acid bacteria could grow at the medium with 10% NaCl, and the optimum range was 2%~6% They were aerotolerant anaerobe; They showed certain inhibition on E coli..

进一步测试表明：4株乳酸菌在30℃培养时，生长最好；在pH3.5~4.0时生长良好；4株乳酸菌在10% NaCl的环境中均能生长，其中以2%~6%的NaCl浓度内生长最适宜；属兼性厌氧菌；对大肠杆菌产生一定的抑制作用。

This paper concludes some effective artifices on developing high reliability, reusability software under J2EE Architecture, some useful suggestion on system modeling and analyzing.

本论文研究并实践了基于角色建模的UML可视化建模技术和基于J2EE架构的组件技术和设计模式在实际的企业业务管理信息系统开发中的运用。

Our first child was conceived in 15 minutes.

我们的第一个孩子是在15分钟内怀上的，最多！