上市公司如何有效利用财务杠杆

我国上市公司融资过程中,存在着财务杠杆利用不充分、利用错位的现象。除客观上存在的融资环境等方面的原因外,主要是由于上市公司盈利能力差、经理人的风险偏好等原因造成的。要有效利用财务杠杆,上市公司必须提高自身盈利能力、建立有效的财务风险防范机制、把握利用财务杠杆的“度”、正确处理好财务杠杆与营业杠杆的关系等。     

Method to optimize location of technological units in a quarry in view of non-uniform haulage streams

A method to evaluate and choose quarry transportation models is substantiated. Features of transportation-technological networks in quarries, as well as criteria and objectives of arrangement of structural units are considered. A methodical and mathematical support is provided for solving the problems of forming non-uniform haulage streams; a mining system structure is founded. __________ Translated from Fiziko-Tekhnicheskie Problemy Razrabotki Poleznykh Iskopaemykh, No. 2, pp. 53–59, March–April, 2006.     

Whole-milk feeding duration,calf growth,and profitability of group-fed calves in an organic production system

The objective of this study was to evaluate the effect of early-life feeding duration on growth and economics of group-fed organic dairy calves. Heifer calves born during the spring of 2011 (n = 67) and the spring of 2012 (n = 57) were used to evaluate the effect of weaning age, growth, and profitability of group-fed calves fed once per day in an organic dairy production system. Calves were assigned to replicate feeding groups of 10 in super hutches by birth order, and were born at the University of Minnesota West Central Research and Outreach Center, Morris organic dairy. Breed groups were Holsteins (n = 15) selected for high production, Holsteins (n = 23) maintained at 1964 breed-average level, crossbreds (n = 54) including combinations of Holstein, Montbéliarde, and Swedish Red, and crossbreds (n = 32) including combinations of Holstein, New Zealand Friesian, Jersey, and Swedish Red. Groups of calves were weaned at 30 (EW, early weaning), 60 (MW, mid weaning), or 90 (LW, late weaning) d of age, and groups were fed 1.5% of birth weight of 13% total solids organic whole milk once daily and weaned when the group of 10 calves consumed an average of 0.91 kg of organic calf starter per calf per day for 4 consecutive days. Body measurements were recorded at birth, weekly during the preweaning period, at weaning, and monthly thereafter. Profitability was estimated as a function of the total cost for organic milk and organic calf starter for weaning groups to weaning and to the first 90 d of age. Preweaning group performance was weaning age, EW: 47.6 d, MW: 64.5 d, LW: 93.7 d; weaning weight, EW: 61.8 kg, MW: 79.2 kg, LW: 108.1 kg; and gain per day, EW: 0.51 kg/d, MW: 0.63 kg/d, LW: 0.75 kg/d. Body weight (BW) did not differ among weaning groups at 90 d of age; however, MW calves had lower 120-d BW than did LW calves. The EW calves did not differ from either MW or LW calves for 120-d BW. Total feed costs to weaning for groups were $1,092.97 for EW calves, $1,871.24 for MW calves, and $2,956.64 for LW calves. The cost per kilogram of gain was higher for the EW ($5.54) group of calves than for the MW ($4.60) or LW ($4.14) groups during the preweaning period. Total costs and cost per kilogram of gain for the first 90 d of age were lowest for EW ($1,595.59, $3.02) calves and highest for LW ($2,956.64, $4.13) calves, respectively.     

火力发电厂循环水泵双速节能改造

降低厂用电率,合理调配设备运行方式是每个电力企业急需解决的问题。循环水泵是用电量较大的辅机设备,为此对胜利发电厂Ⅰ期循环水泵改为高、低速运行的经济性进行分析,论证了循环水泵改为双速控制的节能改造方案。     

客户关系管理(CRM)的体系框架分析

客户关系管理是当今企业管理研究的热点之一。本文从客户关系管理的概念框架、体系组件、模块结构、工作流程、层次结构以及企业实施模型等方面对客户关系管理的体系框架进行了分析。     

F级燃机热电联产工程主机评标办法介绍

本文针对某厂F级燃机热电联产工程主机评标，通过多个设备厂家提供的报价及机组功率、热耗等进行了研究和计算，讨论了该项目的评标方法—全寿期盈利能力计算法的具体内容。     

Phytosanitary irradiation in ports of entry: a practical solution for developing countries

The advantages of using ionising irradiation as a phytosanitary treatment have been demonstrated commercially in the past two decades and several countries currently use the technology for commercial treatments to meet plant quarantine requirements. Although many countries have expressed interest in using phytosanitary irradiation (PI) and it provides a viable alternative for overcoming a wide range of phytosanitary restrictions for numerous fresh products, the use of PI for fresh fruits and vegetables faces economic obstacles due to the sizeable initial investment required to build an irradiation facility. Projecting the market demand for irradiated products to justify the investment in treatment facilities is a business challenge limited by the potential for all countries to invest in this technology, especially developing countries. A recent change in import regulations by the United States allows for treatment upon entry, thus removing the immediate need for treatment facilities in the exporting country. This change makes it possible for exporting countries to explore and develop new markets prior to investing in treatment facilities at the origin. This paper discusses the economic potential of products that could be shipped to the United States for irradiation from selected countries in the Americas, Asia and Africa.     

常减压蒸馏装置加工国外原油时采用初馏塔或闪蒸塔方案的探讨

进口原油中的轻组分要高于中国原油，因此国内原采用的蒸馏设计需加以改进。加工进口原油时，常减压蒸馏装置可采用初馏塔或闪蒸塔两种方案，通过ＡＳＰＥＮ流程模拟程序对两种方案进行了模拟计算，从工艺条件、设备选型、轻烃回收等几个方面进行了详细对比。结果表明，在加工中东混合原油时，采用初馏塔方案的能耗比闪蒸塔方案高２３．８６ＭＪ／ｔ原油，但其它方面的灵活性高于闪蒸塔方案，特别是当轻烃回收部分采用初馏塔加压操作     

高效混凝剂净水灵的开发及应用

介绍了新研制开发的无机高分子与有机高分子结合而成的新型、高效、经济的混凝剂净水灵。该产品特点是：高效絮凝、沉淀速度快、适应性强、稳定性好、无毒无味、操作方便、耗药量低。由于性能优良，可能效净化饮用水水质。