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Two rice varieties, named Weiyou 402 and Eryou 416 were selected to grow in arsenic spiked soils (0, 10, 20 and 40 mg·kg-1 arsenic) and "natural" arsenic soils (1∶1 of geogenic high level arsenic soil from Guizhou province and silt loam soil from Beijing) in a greenhouse, to compare their arsenic uptake, accumulation, speciation and related health risks.

段桂兰 中国科学院生态环境研究中心，北京 100085以2个水稻品种威优402号和Ⅱ优416号为实验材料，采用温室栽培方法研究对比两个品种水稻在人工添加砷处理（0，10，20和40mg·kg-1）和模拟自然砷污染（贵州高砷土和北京褐土的混合土，质量比为1∶1）胁迫条件下的生长发育状况，分析砷在水稻不同部位的累积、形态转化及其健康风险。

In the beginning,some points are randomly distributed over the grabbling domain,and every point of them is regarded as a "fisher".Then every "fisher" of them is used to search "himself" optimum points or global optimum solution through "his" moving search,reducing search and speeding search independently.

设初始时在搜索域中随机分布有若干个点，每个点看作一个&渔夫&，每个&渔夫&通过移动、收缩和加速三种搜索方式在搜索空间中独立开展寻优活动，以搜寻全局的最优解或最优点。

According to the requirements of sustainable development in the headwater region of Xiaofu River, the groundwater pumping is planned using the optimal control model.

最后直接根据淄博市孝妇河源头地区地下水资源的可持续利用需求，建立了该区的地下水最优控制模型，并求得了最优解。

A new crossover operator is proposed to keep goad genes and enhance the search performance. Local search mechanism is added into GA to find solutions for TA problems with a more rapid convergence speed. Simulated annealing is used to overcome the problem of local optimum. A heuristically greedy local search is also proposed to improve the search efficiency. The simulation results show that the improved algorithm can improve the search efficiency of GA.

构造了适合于目标分配问题的染色体；设计了搜索性能较好且能够保留优秀基因的交叉操作方法；将局部搜索机制引入标准遗传算法，提高了目标分配算法的收敛速度；把模拟退火算法引入局部搜索问题，在一定程度上避免了局部最优问题；将贪婪算法应用于局部搜索提高了最优分配方案的搜索效率。

Results with pot experiments showed that,among more than 20 cultivars grown on the same contaminated soil,the hybrids such as Shanyou-63,Shanyou-64 harvested a higher yield and Cd content in husked rice was also higher.

盆栽试验结果表明，供试的20多个品种生长在同一污染土壤上，汕优63、汕优64等杂交稻，产量较高，但糙米Cd含量也较高；野奥丝苗、增城丝苗、黑糯等优质稻糙米重金属含量较低；常规稻则变幅较大。

The hydrogeological parameters of the model have been identified by the optimal theory. Then, a multiple-objectiv...

采用模糊线性规划法求得了管理模型的最优解，最后通过灵敏度分析和流场模拟，证实了最优解的正确性。

A new optimally controlled vehicle consisting of a continuously variable powertrain of hydromechanical type with a regenerative braking system is put forward and studied.

提出了以使用具有较优综合性能的液压机械无级变速和带有飞轮储能的系统并对其进行最优自动操纵的车辆作为本文的研究对象。

A method is proposed for selecting the weighted matrix for the hydroturbine linear optimal regulator.

给出一种适合于水电机组线性最优调节器的加权矩阵的确定方法——基于次时间最优控制的加权矩阵的确定方法。

Economic benefits for developing valuable hardwood species were also calculated taking Castanopsis hystrix as example. And the priority in the fields of research on large-size timber plantation forestry of valuable hardwood species has been pointed out.

本文以红椎为例，对经营珍优乡土阔叶树种的经济效益进行了概算，并提出了珍优阔叶树种大径材培育的未来优先研究方向。

Series recording, cartoon voice-over Set works Advertising categories: Jiaoen Jun speak of the "Li Wang Men Italian" music He Jiong speak of "the speed of light sport shoes" music Jiemin speak of the "Kang riding sports shoes," music "Lili potato chips" advertising music China's famous performing artists Zhibing speak of the "Prestige Bird" men's music system Such as Cartoon categories: the "ship-culture" music "JACKIE kilometers klippe" sound recording and music production "Wohu queue" music "Ancient adventure" music Game categories: online games "sea of movement," complete music, sound effects Online games "street football" music video Online games "Anchao" full audio production Drama series category:"emblem mother WAN heart" Taiwanese version of sound recording and Synthesis "Spring stepmother heart" Taiwanese version of sound recording and Synthesis Enterprise songs of the Astra Astra of Xiamen International Arts Limited, the corporate song "ARTREE" Part QU Xiamen gifted Thai Health Technology Limited, enterprises song,"You Thailand" Arranged 2006 cross-strait Tanabata hand large-scale activities theme song "Tanabata love" Arranged

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And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。