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The inverse model of the system which can be established by neural network according to the UAV's movement is connected with the object controlled so that the nonlinear and correlative system will become linear and irrelated. PID reactive control is used to improve the performance.
根据无人机发生故障时非线性运动的特点,确定适当的神经网络结构建立无人机非线性系统的逆系统,并与被控对象串连可以对非线性耦合系统进行线性化解耦,然后引入PID反馈控制进一步提高神经网络逆控制系统的性能。
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Confirmatory factor analysis was deployed to study the 3~5 years old preschool children's structure of self control, and the results show that it consists of four dimensions: continence, persistence, consciousness and self imposed delay of gratification, the relations among them are isolative and correlative. According to the results, we designed two observing field experiments, and compared the results from experiments and questionnaire, it can be found that these two results with higher conherence, and it shows that the questionnaire has good reliability and validity.
本研究通过编制&幼儿自我控制能力发展教师评定问卷&,运用验证性因素分析的方法得出了3~5 岁幼儿自我控制能力的结构,通过具体的实验验证了问卷的效度,并进一步分析了儿童自我控制的年龄差异和性别差异,简单探讨了幼儿自我控制各个维度之间的关系。
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In this study, an index evaluation system of itaconic acid was established according to the current situation of IA and the correlative laws in China. For the first time, a complete research on the IA production from this point of view was carried out, finding out the problems in the process of IA production, and then the project was advanced. All the research were begun with the data from laboratory and escalated to the industry scale. During the past three years, some of the work were applied successfully to industry.
根据现有衣康酸生产的现状和我国清洁生产相关的法律法规,建立了衣康酸清洁生产的指标评价体系,并以此为依据对现有衣康酸生产的工艺首次从清洁生产的角度进行了系统的研究,找出现有工艺中存在的问题,分析问题产生的原因,并提出衣康酸清洁生产工艺改进的方案,本研究沿着先从实验室研究规模入手得到相关的基础数据,再以此为依据逐步扩大实验规模直至在大规模生产中取得应用,通过三年的研究与实践,其中的多项研究成果已经在生产中得到应用,并取得了良好的效果。
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On the basis of the correlative domestic literature in the last ten years,the author tries to bring forward a methodic summarize of China's researches on the urban waterfront from the development model,the planning and construction,the design of special landscape,exploitation managing,and the connection with waterfront city.Then points out the existing pr...
在收集和整理近10年来国内众多相关研究文献的基础上,试图从开发利用、规划设计、实体景观设计、开发规划管理及与滨水城市的关系等方面对城市滨水空间研究作以系统总结,并从滨水空间研究的系统性、新理念和新技术的应用、加强开发规划管理可行性等方面展望研究趋势。
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Here,we aim at the 2D graphics in MicroStat ion.By studying the task, I know more knowledge about the technology of geography information data exchange and correlative content especially, I know more about how to realize the exchange from DGN to MIF with progame.
通过本课题的研究,本人对地理信息数据交换技术及其相关内容有了更进一步的了解,尤其对如何用程序直接实现DGN和MIF两种格式的转换有了更好地学习和研究。
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Density Functional Theory method was used to optimize the geometries of 209 PCDE molecules, 209 PBDE molecules and 75 PCDD molecules at the B3LYP/6-31G* level. Using computed structural parameters as theoretical descriptors, the forward stepwise multiple regression technique was adopted to obtain QSPR models of environmental partition properties for these POPs by using GQSARF 2.0 and SPSS12.0 for windows programs. The obtained QSPR models are as follows:(1) QSPR models for predicting subcooled liquid vapor pressure, n-octanol/water partition coefficients lgK_(ow and subcooled liquid water solubilities -lgS_(w,l of PCDEs, of which correlative coefficients (R~2) are 0.988, 0.958 and 0.959 and the root-mean-square-error of estimation are 0.134, 0.116 and 0.327 respectively.(2) QSPR models of lgPL and n-octanol/air partition coefficients lgK_(oa for PBDEs, which both contain three structural parameters. The values of R2 for the two models are both 0.997 while the values of RMSEE are 0.073 and 0.062 respectively.(3) QSPR models of lgKow and–lgS_ for PCDEs, which both have one variable (mean molecular polarizability,α). The values of R~2 for the two models are 0.978 and 0.866 and the values of RMSEE are 0.300 and 0.270 respectively.(4) The molecular structures of 24 substituted naphthaline compounds were optimized using Hartree-Fock and DFT methods at four different levels and the same means was used to obtain four three-parameter (EHOMO, q~+ andα) QSPR models of lgK_. The model at the HF/6-311G** level is the best one of which R2 is 0.9662 and RMSEE is 0.380.(5) QSPR study for environmental partition properties of PCDEs was also performed using position of Cl substitution method in which simple parameters of substitution position were taken as descriptors. The multiple linear regression was performed with GQSARF 2.0 and SSPS 12.0 for windows programs to obtain QSPR models of lgP_L, lgK_ and–lgS_ for PCDEs of which R~2 are 0.991, 0.983 and 0.965 and RMSEE are 0.311, 0.100 and 0.300 respectively.
采用密度泛函理论方法在B3LYP/6-31G*水平上对PCDEs、PBDEs和PCDDs的分子结构进行了全优化计算,以计算得到的量子化学参数作为理论描述符,采用GQSARF 2.0和SPSS 12.0 for windows统计程序进行正向逐步回归分析,建立了这些POPs的环境分配性质的QSPR模型:(1) PCDEs的过冷液体蒸汽压、正辛醇/水分配系数lgK_(ow和水溶解度-lgS_(w,l的QSPR模型,这3个QSPR模型的相关系数(R2)分别为0.988、0.958和0.959,估计的均方根误差分别为0.134、0.116和0.327;(2) PBDEs的lgPL和正辛醇/空气分配系数lgK_(oa的QSPR模型,这两个模型都包含三个分子结构参数,其R~2都为0.997,RSMEE分别为0.073和0.062;(3) PCDDs类化合物的lgK_和-lgS_w的QSPR模型,两个模型都只含一个变量,其R~2分别为0.978和0.866,RSMEE分别为0.300和0.270;(4)采用Hartree-Fock和DFT方法,在4种不同水平上优化计算了24个取代萘系列化合物的分子结构,采用上述同样的方法分别建立了四种水平上的三变量lgK_模型,通过比较得到,在HF/6-311G**水平计算得到的模型最好,R为0.966,RSMEE为0.380;(5)同时,采用氯原子取代位置方法对PCDEs的环境分配性质进行QSPR研究,建立了PCDEs的lgPL、lgK_和-lgS_的QSPR模型,其R~2分别为0.991、0.983和0.965,RSMEE分别为0.110、0.100和0.300。
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The result indicates that: Firstly, the labor force participation rate in Qingdao has an observably correlative relationship with the economic growth.
研究结果表明:其一,青岛市的劳动力参与率与经济增长之间存在显著相关关系。
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AIM: To obtain the information expressed by HCCX mRNA in normal liver, parahepatic tissue and hepatocarcinoma with an information probe, catch the correlative protein spectrum characteristics of noncarcinomatous occupancy by the analytical technique of NMR1H spectra, and to discuss their rule and clinical value.
目的:采用信息探针获取正常肝、肝旁组织和肝癌HCCX mRNA的表达信息;采用NMR1H谱分析技术捕获非癌性肝占位相关Pr谱学特征,探讨其规律和临床价值。
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AIM摘要: To obtain the information expressed by HCCX mRNA in normal liver, parahepatic tissue and hepatocarcinoma with an information probe, catch the correlative protein spectrum characteristics of noncarcinomatous occupancy by the analytical technique of NMR1H spectra, and to discuss their rule and clinical value.
目的摘要:采用信息探针获取正常肝、肝旁组织和肝癌HCCX mRNA的表达信息;采用NMR1H谱分析技术捕捉非癌性肝占位相关Pr谱学特征,探索其规律和临床价值。
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The main correlative factors with compliance of schizophrenia in rural area are social ability, duration of hospitalization, family members' age, premorbid character.
农村社区精神分裂症患者社会功能,留医时间,家属年龄,病前性格是影响依从性主要因素。
- 推荐网络例句
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According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.
曝气设备的动力效率在叶轮转速为120rpm~150rpm时取得最大值,此时氧利用率和充氧能力也具有较高值。
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The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.
稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世,形体几无变化。
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When I was in school, the rabbi explained everythingin the Bible two different ways.
当我上学的时候,老师解释《圣经》用两种不同的方法。