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This invention discloses a method for preparing monodisperse oil-soluble surface-modified ferric oxide nanoparticles. The method comprises: mixing ethanol solution of soluble ferric salt with ethanol solution of fatty acid, adding alkali, stirring to obtain precursor of ferric oxyhydrogen fatty acid salt precipitate, and cracking at 210-280 deg.

一种制备单分散、油溶性表面修饰氧化铁纳米微粒的方法，将可溶性铁盐的乙醇溶液与脂肪酸的乙醇溶液混合，加入碱搅拌得前驱体三价铁氢氧脂肪酸盐沉淀；单元前驱体三价铁氢氧脂肪酸盐在无溶剂下直接热解得目标产品。

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 chapter 4, in the frame of partially ordered F-type topological space, we research the existence of the solution of a nonlinear operator equation Lx = Nx, and the convergence of the iterative sequence {u_n} which satisfies Lu_(n+1)= Nu_n for a solution of the equation. Then, we give the conditions for multiplicity of the solutions of this operator equation.

第四章，在半序F-型拓扑空间框架下研究一类非线性算子方程Lx=Nx解的存在性，以及满足Lu_(n+1)=Nu_n的迭代序列{u_n}对于方程解的收敛性，并给出这类算子方程具有多解性的条件。

Therefore, the concepts of the particular solution and homogeneous solution are used to develop the multi-dimensional wave model.

因此，本文引进了特解与齐性解的概念，发展出高维度空间之波动模型。

In particular, the solution obtained by the proposed algorithm is shown to be a maximally complementary solution to the NCP concerned.

在全局收敛性假设相对较弱的条件下，所提出的算法能够得到问题的极大互补解。

These conditions preclude a particular solution, even though the solution might otherwise yield the lowest overall cost.

这些条件，排除了具体的解决办法，虽然解决否则可能带来最低的整体成本。

The algorithm of multi-objective fuzzy shoretest path and Pareto solution space are discussed, and a method based on fuzzy inference engine is presented to select multiple Pareto solution.

讨论了多目标模糊最短路径的算法与Pareto解空间问题，提出了基於模糊推理引擎选择多个Pareto解的策略。

On the basis of the analytical results of infrared spectrometry,paper chromatography,tyrosine color development reaction and the assay of anti-acid buffer capability,we confirm that chlorine dioxide in stabilized solution with sodium percarbonate as stabilizer exists in the form of chlorition (ClO2-) and exists in NaHCO3-Na2CO3 buffer system. When the stabilizer is sodium perborate,chlorine dioxide may be retained in the solution comprised of H3BO3-Na2B4O7 as a labile complex.

通过对几种样品的红外光谱分析、纸色谱分析、酪氨酸显色反应及抗酸缓冲能力的测定，证实在以过碳酸钠为稳定剂的稳定液中，ClO2以亚氯酸根离子(ClO2-)形式存在，并处在一个由NaHCO3-Na2CO3组成的缓冲体系中；在以过硼酸钠为稳定剂的稳定液中，ClO2可能是以活性配位化合物的形式存在，并处在由H3BO3-Na2B4O7组成的缓冲体系中。

The invention relates to a silver polyethylene perchloride external anticorrosive coating and the making method thereof, adding polyethylene perchloride resin into mixed solvent of dimethylbenzene and butyl acetate, then adding in epoxy resin, chlorinated paraffin, epoxy chloropropane, polyacrylate copolymer solution, polymethyl alkyl siloxane solution, polyamide wax, and aluminum silver pulp, blending and grinding to make it.

本发明涉及一种银色高氯化聚乙烯外防腐涂料及制造方法，是将高氯化聚乙烯树脂加入二甲苯和醋酸丁酯的混合溶剂中，再加入环氧树脂、氯化石蜡、环氧氯丙烷、聚丙烯酸酯共聚体溶液、聚甲基烷基硅氧烷溶液、聚酰胺蜡、铝银浆经混合、搅拌、研磨制成银色高氯化聚乙烯外防腐涂料，可用于储罐、化工设备、钢架、桥梁、集装箱的外防腐蚀。

The rat hearts were harvested and mounted on the Langendoff apparatus to perfuse with K-H buffer solution to estimate the leakage of enzymes of the myocardial tissue. Then they were arrested and stored in each preservation solution (4℃) for 8 hours.

采用Langendoff装置进行心脏保存前后的灌注，各实验组分别使用不同保存液灌停心脏并在低温条件下保存鼠心8 h，于灌停前及复灌后留取冠脉流出液测定心肌酶漏出量。

For the head-teacher of the class said that I had seriously broken the school rules,which led me to a three-day suspend class.

为什么呢？因为我的班主任说我严重的违反了校规，于是让我停课三天。

Many of them believe that the conversion of thousands of working-class folk in England spared that nation from the mass carnage and the tyranny that came with the revolution in France.

他们之中有许多人相信，在英国数以千计的劳工阶级之悔改信主使英国免於遭受如法国大革命所造成的大屠杀和专制暴政。