汉斯期刊
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作者:邹广峻 , 傅少川
来源:[J].Management Science and Engineering, 2018, Vol.07 (01), pp.9-19汉斯出版社
摘要:In this paper, We studied the inventory model of multiple perishable goods combined with a random function of a certain distribution in an infinite time range. The model uses the (T, S) strategy; the goal is to determine the replenishment cycle of each product, making the total c...
作者:祝昌久 , 曹新亮 , 李金斗
来源:[J].Open Journal of Circuits and Systems, 2018, Vol.07 (01), pp.1-8汉斯出版社
摘要:In order to improve the practicability of mobile power supply that is the mobile power supply has the function of timing power drop and manual adjustment. This paper describes the principle of STC89C52 control of the time-lapse of the optical coupling switch, and discusses the ch...
作者:张文学 , 张飞飞 , 杨健 ...
来源:[J].Management Science and Engineering, 2018, Vol.07 (01), pp.20-27汉斯出版社
摘要:Objective: To analyze the allocation equity of medical beds in Ningxia Hui Autonomous Region so as to provide references on implementing resource planning policy and improving health equity. Methods: Lorenz curve, Gini coefficient and Theil index were used to analyze the data of ...
作者:郭倩 , 林自葵
来源:[J].Management Science and Engineering, 2018, Vol.07 (01), pp.1-8汉斯出版社
摘要:For NTOCC (non-truck operating common carrier), efficient organization for multiple modes of transport can reduce costs. From the perspective of NTOCC, this paper studies the choice of different modes of transport in multi-modal transport from four aspects: Transport cost, transi...
作者:杨蕊萍
来源:[J].Advances in Psychology, 2018, Vol.08 (02), pp.267-271汉斯出版社
摘要:Recently, the development of theory of mind and the factors influenced it have become a hot topic in children’s social development. This research, which started with parent-child shared-booking, made a detailed analysis of children’s theory of mind in this game. Teachers and...
作者:刘晓芬 , 黄欢
来源:[J].Advances in Applied Mathematics, 2018, Vol.07 (02), pp.224-230汉斯出版社
摘要:In this paper, we introduce the approximately greater than or equal relation on fuzzy n-cell num-bers and investigate its properties. We focus on the variation of this relationship under addition, subtraction, multiplication, division and scalar-multiplication.
作者:陈姝桦 , 张志刚
来源:[J].Journal of Water Resources Research, 2018, Vol.07 (01), pp.56-66汉斯出版社
摘要:The karst mountain areas in Buyi and Miao Autonomous Prefecture of Qiannan are featured by karst development and strong permeability of rock stratum, which cause the lack of surface water, and the imbalance of ecological environment. Based on the data recorded in Qiannan Water Re...
作者:寸会英 , 李珍贵
来源:[J].Hans Journal of Agricultural Sciences, 2018, Vol.08 (02), pp.93-96汉斯出版社
摘要:This article uses Ornamental kale (Brassica oleracea var. acephala f. tricolor) as plant material to remove sludge compost at Dali Municipal Wastewater Treatment Plant. The compost was mixed with the humus base soil in different proportions as the cultivation matrix. To observe t...
作者:彭忠利 , 陈鸿雁
来源:[J].Advances in Environmental Protection, 2018, Vol.08 (01), pp.19-28汉斯出版社
摘要:The leaching effect of heavy metal contaminated farmland soil by a novel ethylenediamine triace-tate (ED3A) chelating surfactant sodium N-(3-dodecyloxy-2-hydroxypropyl) ethylenediamine tri-acetate (C12-ED3A3Na) was investigated. The results showed that C12-ED3A3Na solution c...
作者:倪秋龙 , 张小聪 , 李有春 ...
来源:[J].Smart Grid, 2018, Vol.08 (01), pp.34-38汉斯出版社
摘要:Traditional limited power grid accidents are usually made by manual calculation, and the pow-er-limiting sequence. The efficiency of the accident is low, the power limit is long, and the power failure can be extended. In recent years, with the development of ultra-high voltage po...

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