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1.
本文阐述了非线性量本利分析与传统线性量本利理论的区别,揭示了线性分析的局限性,解释了收入线、成本线呈非线性变化的原因,并给出非线性量本利分析的具体步骤和可行方法。  相似文献   

2.
针对目前工程量清单模式下的投标报价实际情况,基于成本分析法运用于施工投标报价工作进行探讨,系统地阐述了成本分析法的基本原理、具体思路等,结合工程实例进行量本利盈亏分析,从而确定合理的投标报价,为投标决策工作提供指导。  相似文献   

3.
就量本利分析法中几个金融经济指标,做了具体的点界运算和分析,测定了盈亏临界点或损益平衡点,解决了成本与产品的关系,确定了产品的产销量,达到降低成本,增加企业利润的目的,特别是在边际利润和安全边际模型的建立中,定量地分析了金融成本的量化位置,从而提高了金融管理的预测,决策水平。  相似文献   

4.
浅谈盈亏平衡点在企业经营预测中的作用   总被引:1,自引:0,他引:1  
贾桂华 《科技资讯》2012,(26):154-154
盈亏平衡点来自于本量利分析这种揭示成本、销售、利润内在联系的定量分析方法,而其中的成本又按习性可以分成固定成本和变动成本两大类,这两大类成本的不同构成会给企业带来不一样的经营风险。本文通过盈亏平衡点的内在分析法,构建了其在企业经营预测中的作用模型,并对其进行了初步探讨。  相似文献   

5.
我们蠡口镇的13个镇办企业在今年第二季度起,开展了量本利分析,取得较好的效果。主要做法是:1、对各个镇办企业的月固定成本进行详尽的分析,并分企业列表逐项排队,计算出每一项费用,促使企业领导经常分析对照,精打细算、节省开支,以降低固定成本负担来提高企业的经济效益。2、对企业产品的变动成本进行逐项分析、计算,得出各个不同产品的变动成本,供企业领导时时对照,尽力降低消耗,降低产品的变动成本和整个产品的单位成本,以保证原辅材料价格上涨因素在企业内部得到消化。3、对各个企业在保证质量的前提下,计算出每月的产品保本生产量临界  相似文献   

6.
为提高常规公交的出行服务质量,建立了考虑车内拥挤状态的公交弹性发车间隔优化模型.通过量化车内拥挤状态,给出各拥挤状态下的乘车成本;建立了线路各区间的拥挤状态转移函数.考虑乘客的车内拥挤状态感知,建立站点乘客随时间的上下车数量的度量模型;构建乘客出行成本度量模型,以乘客出行成本与车辆运营亏损之和最小化为目标函数,建立了公交弹性发车间隔优化模型;并设计遗传算法对模型进行求解.结果表明:优化模型能够有效降低出行成本.模型对等待成本有着“补短板”效果,对乘车成本有着“削峰”效果,即通过增加乘客到站量小站点的等待成本,降低乘客到站量大站点的等待成本,削弱乘车成本峰值的手段,达到总成本最低的效果.  相似文献   

7.
秦芳 《科技信息》2011,(28):174-175
随着医疗体制改革和医疗保险制度改革的推行和深入,对医药卫生体制改革提出了更高的要求。2009年3月中共中央、国务院下发《关于深化医药卫生体制改革的意见》,明确提出要推进公立医院管理体制改革,建立规范的公立医院运行机制,积极探索医保按人头结算、病种结算、总额结算等方法。为配合改革的顺利进行,严格医院预算和收支管理,加强各种成本的核算和控制就显得尤为重要,财政部、卫生部针对原《医院财务制度》的不足,出台新《医院财务制度》,于2012年1月1日起在全国执行。  相似文献   

8.
提高企业经济效益,控制成本、价格是关键。随着煤炭市场的形成和完善,煤炭企业竞争也日益激烈,煤炭企业的竞争本质是企业经济效益。企业经济效益好,就兴旺发达;效益差,企业就难以生存,甚至破产、倒闭。而如何预测进而控制成本、价格,则是企业竞争取胜的决定性一步。本文试运用量本利分析法,按目标利润,对成本水平、煤炭价格水平进行控制预测探讨。  相似文献   

9.
沈阳市街路绿化固碳释氧效益分析   总被引:1,自引:0,他引:1  
通过对沈阳市街路绿化情况调查、统计和分析,得出叶面积指数,进而换算出总叶面积,并根据其固碳释氧能力计算出街路绿化植物总固碳量和总释氧量,对照工业固碳和制氧成本推算街路绿化经济效益.  相似文献   

10.
本文采用系统分析的方法,对影响盘江矿务局某矿井的生产经营经济效益的三个主要方面──销售收入、生产成本、产品数量质量进行分析,建立了数学经济模型。在两模型基础上,作出了该矿生产经营盈亏平衡图并进行盈亏分析,对盈亏平衡点作敏感度分析,提出了改善经济效益的具体措施。  相似文献   

11.
Language markedness is a common phenomenon in languages, and is reflected from hearing, vision and sense, i.e. the variation in the three aspects such as phonology, morphology and semantics. This paper focuses on the interpretation of markedness in language use following the three perspectives, i.e. pragmatic interpretation, psychological interpretation and cognitive interpretation, with an aim to define the function of markedness.  相似文献   

12.
何延凌 《科技信息》2008,(4):258-258
Language is a means of verbal communication. People use language to communicate with each other. In the society, no two speakers are exactly alike in the way of speaking. Some differences are due to age, gender, statue and personality. Above all, gender is one of the obvious reasons. The writer of this paper tries to describe the features of women's language from these perspectives: pronunciation, intonation, diction, subjects, grammar and discourse. From the discussion of the features of women's language, more attention should be paid to language use in social context. What's more, the linguistic phenomena in a speaking community can be understood more thoroughly.  相似文献   

13.
The discovery of the prolific Ordovician Red River reservoirs in 1995 in southeastern Saskatchewan was the catalyst for extensive exploration activity which resulted in the discovery of more than 15 new Red River pools. The best yields of Red River production to date have been from dolomite reservoirs. Understanding the processes of dolomitization is, therefore, crucial for the prediction of the connectivity, spatial distribution and heterogeneity of dolomite reservoirs.The Red River reservoirs in the Midale area consist of 3~4 thin dolomitized zones, with a total thickness of about 20 m, which occur at the top of the Yeoman Formation. Two types of replacement dolomite were recognized in the Red River reservoir: dolomitized burrow infills and dolomitized host matrix. The spatial distribution of dolomite suggests that burrowing organisms played an important role in facilitating the fluid flow in the backfilled sediments. This resulted in penecontemporaneous dolomitization of burrow infills by normal seawater. The dolomite in the host matrix is interpreted as having occurred at shallow burial by evaporitic seawater during precipitation of Lake Almar anhydrite that immediately overlies the Yeoman Formation. However, the low δ18O values of dolomited burrow infills (-5.9‰~ -7.8‰, PDB) and matrix dolomites (-6.6‰~ -8.1‰, avg. -7.4‰ PDB) compared to the estimated values for the late Ordovician marine dolomite could be attributed to modification and alteration of dolomite at higher temperatures during deeper burial, which could also be responsible for its 87Sr/86Sr ratios (0.7084~0.7088) that are higher than suggested for the late Ordovician seawaters (0.7078~0.7080). The trace amounts of saddle dolomite cement in the Red River carbonates are probably related to "cannibalization" of earlier replacement dolomite during the chemical compaction.  相似文献   

14.
理论推导与室内实验相结合,建立了低渗透非均质砂岩油藏启动压力梯度确定方法。首先借助油藏流场与电场相似的原理,推导了非均质砂岩油藏启动压力梯度计算公式。其次基于稳定流实验方法,建立了非均质砂岩油藏启动压力梯度测试方法。结果表明:低渗透非均质砂岩油藏的启动压力梯度确定遵循两个等效原则。平面非均质油藏的启动压力梯度等于各级渗透率段的启动压力梯度关于长度的加权平均;纵向非均质油藏的启动压力梯度等于各渗透率层的启动压力梯度关于渗透率与渗流面积乘积的加权平均。研究成果可用于有效指导低渗透非均质砂岩油藏的合理井距确定,促进该类油藏的高效开发。  相似文献   

15.
As an American modern novelist who were famous in the literary world, Hemingway was not a person who always followed the trend but a sharp observer. At the same time, he was a tragedy maestro, he paid great attention on existence, fate and end-result. The dramatis personae's tragedy of his works was an extreme limit by all means tragedy on the meaning of fearless challenge that failed. The beauty of tragedy was not produced on the destruction of life, but now this kind of value was in the impact activity. They performed for the reader about the tragedy on challenging for the limit and the death.  相似文献   

16.
AcomputergeneratorforrandomlylayeredstructuresYUJia shun1,2,HEZhen hua2(1.TheInstituteofGeologicalandNuclearSciences,NewZealand;2.StateKeyLaboratoryofOilandGasReservoirGeologyandExploitation,ChengduUniversityofTechnology,China)Abstract:Analgorithmisintrod…  相似文献   

17.
There are numerous geometric objects stored in the spatial databases. An importance function in a spatial database is that users can browse the geometric objects as a map efficiently. Thus the spatial database should display the geometric objects users concern about swiftly onto the display window. This process includes two operations:retrieve data from database and then draw them onto screen. Accordingly, to improve the efficiency, we should try to reduce time of both retrieving object and displaying them. The former can be achieved with the aid of spatial index such as R-tree, the latter require to simplify the objects. Simplification means that objects are shown with sufficient but not with unnecessary detail which depend on the scale of browse. So the major problem is how to retrieve data at different detail level efficiently. This paper introduces the implementation of a multi-scale index in the spatial database SISP (Spatial Information Shared Platform) which is generalized from R-tree. The difference between the generalization and the R-tree lies on two facets: One is that every node and geometric object in the generalization is assigned with a importance value which denote the importance of them, and every vertex in the objects are assigned with a importance value,too. The importance value can be use to decide which data should be retrieve from disk in a query. The other difference is that geometric objects in the generalization are divided into one or more sub-blocks, and vertexes are total ordered by their importance value. With the help of the generalized R-tree, one can easily retrieve data at different detail levels.Some experiments are performed on real-life data to evaluate the performance of solutions that separately use normal spatial index and multi-scale spatial index. The results show that the solution using multi-scale index in SISP is satisfying.  相似文献   

18.
In the 19th century the society was controlled by men, and women were just appendants of them, they had not any rights and freedom. But Jane was an exception, she showed some characteristics of early feminist. Jane showed her characteristics of feminism in three aspects: rebellion, equality, and independence. These characteristics were helpful to her success, and feminism is the only way out for women of that time.  相似文献   

19.
正The periodicity of the elements and the non-reactivity of the inner-shell electrons are two related principles of chemistry,rooted in the atomic shell structure.Within compounds,Group I elements,for example,invariably assume the+1 oxidation state,and their chemical properties differ completely from those of the p-block elements.These general rules govern our understanding of chemical structures and reactions.Using first principles calcula-  相似文献   

20.
We have developed an adiabatic connection to formulate the ground-state exchange-correlation energy in terms of pairing matrix linear fluctuations.This formulation of the exchange-correlation energy opens a new channel for density functional approximations based on the many-body perturbation theory.We illustrate the potential of such approaches with an approximation based on the particle-particle Random Phase Approximation(pp-RPA).This re-  相似文献   

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