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As one of the common facilities in manufacturing enterprises, air compressors are widely used due to their capacity of producing compressed air. However , an authoritative survey shows that air compressor system consumes about 86%of the total energy cost within five years compared with purchase price that only accounts for 8% of total cost. This high volume of energy consummation invisibly increases enterprises' operational cost. However ,within the 90% of the cost for energy, main tenance and repair , 50% can be saved.

压缩机作为制造厂最常用的设备之一，其所产生的廉价适用的压缩空气能源备受许多企业家青睐，据权威机构调查，空气压缩系统在五年的总成本中，运转能源消耗费用占约86％，压缩系统初期购置费用仅占总成本的约8％，其高额的运转能源费用无形中增加了企业运营成本；然而人们却不知道这里占近90％的能源及保养修理费用却是有50％以上是可能不必支付的。

Based on mechanism and vehicle theories theoretical analysis is pursued and normal driving conditions are put forward. The relations are analyzed between load distribution and power consumption. Mechanical formula is proposed. Furthermore in this paper the theoretical model of the total power consumption is established, and the relations of the total minimized power consumption with the air-cushion pressure and the fan revolution are discussed. The optimum operation point is put forward. The dynamic digital simulation studies are carried out on the operating procedure of the half-track air-cushion vehicle on soft terrain. Mechanical parameters and soil mechanics characteristics affecting vehicle power consumption and riding performance are analyzed. At the same time according to the model formula, the automation control problem is discussed. It is a theoretical instruction for further automation control.

本文还从力学和车辆原理的角度进行了理论分析，推导了半履带式气垫车的需求功率及正常行驶条件，研究了气垫压力和功率消耗之间的关系，提出了力学模型公式；建立了半履带式气垫车总功率消耗的理论模型，研究了最小功率消耗时功率与垫压及表征气垫车行驶状态的各参数的关系，分析了相应的影响因素，并提出了最佳工作状态的定义；同时进行了半履带式气垫车在软地面的行驶过程的动态数字仿真试验研究工作，对影响车辆功率消耗和行驶平顺性的各力学参数和土壤参数进行了分析，得到了各运行状态参数的变化规律，验证了最佳工作状态和最佳垫压的理论，根据力学模型公式对进一步的自动控制问题进行了探讨，为系统的控制提供了理论指导。

The change rules of total esters and total acids in Luzhou-flavor liquor of different alcoholicity and of different grades during storage were studied and the related inflluencing factors were investigated.

研究了不同酒度、不同等级的浓香型白酒在贮存过程中的总酯、总酸的变化规律以及影响因素。

objectiveto optimize the extraction process of total flavonoids in anchusa italica retiz.methodsthe content of total flavonoids was determined by uv spectrophotometer.the influence of each factor was measured by orthogonal experiments.

目的研究维吾尔药牛舌草中总黄酮的最佳提取工艺。方法采用正交实验确定各因素的影响大小，确定维吾尔药牛舌草中总黄酮的最佳提取条件，通过紫外分光光度法测定总黄酮含量。

The 1999 total eclipse in Europe helped to increase public awareness of the phenomenon, as illustrated by the number of journeys made specifically to witness the 2005 annular eclipse and the 2006 total eclipse.

1999年日全食在欧洲有助于提高公众认识的现象，就说明了这一点取得了一些具体行程见证日环食， 2005年和2006年的月全食。

Results The results showed that the average concentration of the bacteria, fungi and total microbes in the outdoor environment were 5.04×10^4, 3.75×10^3 and 5.41×10^4 cfu/m^3 respectively and the fungi accounted for 6.92% of the total. The preliminary identification showed that the dominant bacteria mainly were Micrococcus, Bacillus, Pseudomonas and Staphylococcus and the average percentage were 37.3%, 21.0%, 10.3% and 9.5% respectively. Of the five fungi the dominant ones were Aspergillum, Penicillium, Mucor and Rhizopu. The average percentage were 42.0%, 36.0%, 4.4% and 4.2% respectively. Conclusion The outdoor air of Hefei has been polluted by airborne microbes.

结果 合肥城区空气细菌总数均值为5.04×10^4cfu/立方公尺，真菌总数均值为3.75×10^3cfu/立方公尺，合计为5.41×10^4 cfu/立方公尺，其中真菌占6.92%；对不同采样点的空气细菌和真菌进行了初步鉴定，优势细菌属为微球菌属、芽孢杆菌属、假单胞菌属和葡萄球菌属，分别占总细菌的37.3%，21.0%，10.3%，9.5%；真菌共检出5属，其中优势菌属为曲霉属、青霉属、毛霉属、根霉属，分别占总真菌的42.0%，36.0 %，4.4%，4.2%。

This paper chooses residual income model to measure the cost of equity capital, and construct some index to represent the total disclosure quality and earnings disclosure quality of Chinese listed companies. Our analysis shows that for the whole sample of listed companies which conduct seasoned equity offerings in the stock market, controlling 6, company scale, B/M, leverage and asset turnover, there is positive relationship between the total disclosure quality and marginal cost equity capital; there is negative relationship between the earnings radical and marginal cost equity capita; there is no remarkable relationship between the earnings smoothness and marginal cost equity capital.

本文采用剩余收益模型计算公司的股权融资成本，分别以披露总体质量和盈余披露质量作为反映我国上市公司信息披露质量的指标，研究发现在控制β系数、公司规模、账面价值比、盈利水平等因素的条件下，总体来看，信息披露总体质量越高的样本公司的边际股权融资成本越高；盈余激进度与边际股权融资成本负相关；而盈余平滑度与边际股权融资成本的关系并不显著。

Japanese Quality Control on Concrete is in the total azimuth and the total process.

日本对混凝土质量的控制是全方位、全过程的。

The common chemical constituents were juniper camphor,1,3,3-trimethylcyclohex-1-ene-4-carboxaldehyde,borneol,α-curcumene,α-bisabolol,cis-caryophyllene,benzyl benzoate,methyl β,β-dimethylbenzenepropanoic acid ester,2,4-decadienal and heneicosane in the essential oil of the five cultivars' Hangjuhua.Among them,juniper camphor is most which were composed of 11.96%,10.51%,10.95%,13.28% and 10.77% of the total essential oil,and methyl β,β-dimethylbenzenepropanoic acid ester is second,which were composed of 1.51%,1.86%,2.52%,4.89% and 2.51% of the total essential oil,respectively.

5种栽培类型杭菊花挥发油中共有成分为1，3，3-三甲基环己-1-烯-4-甲醛、冰片、α-姜黄烯、α-甜没药萜醇、顺式石竹烯、桧脑、安息香酸苄酯、β，β-二甲基苯丙酸甲酯、2，4-癸二烯醛和二十一烷；其中桧脑含量最高，分别占挥发油总量的11.96%，10.51%，10.95%，13.28%和10.77%，为5种栽培类型杭菊花挥发油中最具特征的成分；其次是β，β-二甲基苯丙酸甲酯，分别占挥发油总量的1.51%，1.86%，2.52%，4.89%和2.51%。

Article 15 The total amount of investment of a contractual JV refers to the total sum of capital required by the production and operation scale regulated in the JV contract and articles of association.

第十五条合作企业的投资总额，是指按照合作企业合同、章程规定的生产经营规模，需要投入的资金总和。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。