薄甲目 的英文怎麼說
中文拼音 [bójiǎmù]
薄甲目
英文
leptostraca-
It is reflected in the aspects of quantity and quality ; ( 3 ) the unsatisfactory benefit. the number of enterprises entering the epz in per square kilometer, the amount of investment, and the total value of import and export are not satisfactory ; ( 4 ) the high cost of operating and managing the enterprises inside the epz. on one hand, indirect purchase inside the nation increases cost ; on the other hand, the transportation under the supervision of customs increases the cost of logistics ; ( 5 ) the little technological content of the enterprises inside the epz
發展速度緩慢，主要體現在總量和速度兩方面；項目引進難、規模偏小，主要體現在數量和質量兩方面；效益較差，每平方公里的進區企業數、引資額、進出口總額、出口總額都不理想，收益微薄；入區企業運行維護成本高，一方面國內間接采購增加費用，另一方面海關監管運輸增加物流成本；入甲文摘要旦旦旦旦旦旦旦旦旦旦旦旦旦旦旦旦區企業科技含量較低，五家企業中只有一家屬于高科技企業，另外四家都屬于傳統機加工企業;前後向聯系差，帶動效應弱。The technical and economic evaluation of thin - type spunbond nonwoven project has mainly finished the following research work : ( 1 ) utilize the theory and method of < marketing > for market investigation, research and forecast, analyze the developing trend and market requirement of the nonwocen abroad and at home, conduct quantitative forecast for raw materials and product price, and explain that during the essential period when liaoyang petrochemical company regulates the structure of industries and product and remodels the main business items, selecting to build up the production device for thin - type spunbond nonwoven is suitable. ( 2 ) introduce techniques of different companies to form different schemes. after analyzing the features of various schemes in the thesis, through building up the target system of four levels and utilize technical comprehensive evaluating way to conduct technical evaluation of four schemes for the thin - type spunbond nonwoven project and get the prior sequence from schemes d, b, a to c. ( 3 ) different technical schemes have various cash circulation amounts, economic evaluation is first based on evaluating and confirming feasibility of each scheme by the single scheme finance, select and use the method of multiple schemes comparison selecting - inutual repelling type multiple schemes optimization, select introducing the scheme of d company technique as the optimum, then conduct undetermined analysis to further test and verify feasibility of schemes
闡明了遼化公司在調整產業結構和產品結構、重塑主營業務的關鍵時期選擇建設8000噸年薄型紡粘非織造布生產裝置是適宜的； （ 2 ）引進不同公司的技術形成了不同的方案，論文在分析了各方案的特點后，通過建立四個層次的指標體系，運用技術綜合評價的方法，對薄型紡粘非織造布項目的四個方案進行技術評價，確定了丁方案、乙方案、甲方案到丙方案的優先順序； （ 3 ）不同的技術方案有不同的現金流量，經濟評價首先在單方案財務評價確認各方案可行的基礎上，選用多方案比選? ?互斥型多方案選優的方法，選擇引進丁公司技術的方案最優，而後，又進行了不確定性分析，進一步驗證方案的可行性。Methods in the reaction of acetylation in the presence of triethylamine and toluene at 110 of three hours, the products are characterized by thin - layer chromatography analysis, elementary analysis, ir and hnmr analysis
方法以三乙胺為催化劑，甲苯為溶劑，在110反應3h制備目標產物，並對產物進行了薄層色譜、元素分析、紅外、核磁的分析鑒定和表徵。
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