-
Abstract:As the key facility that maintains the network security , firewalls take the purpose of establishing an obstacle between trust and trustless network, and put corresponding safety strategy into practice. In this paper , the computer network security and the techniques of firewalls were ma..
-
Equip the engineering level, level of determining the whole national economy of the modernized degree and modernized degree of industry, numerical control technology is it develop new developing new high-tech industry and most advanced industry to equip (such as information technology and his ind..
-
Upgrading in Global Value ChainsThe aim of this paper is to explore how small- and medium-sized Latin Americanenterprises ( S MEs) may participate in global markets in a way that provides forsustainable growth. This may be defined as the ‘‘ highroad ’’ to competitiveness,contrasting with the ..
-
Abstract The purpose of the present study is to assess the condition of wastewaters pertaining to the production of cooking oil and to develop an effective and low-cost method for purification of wastewaters and utilisation of other oil production-related wastes which would comply with environmen..
-
摘要：努力保護(hù)水源，尤其是在鄉(xiāng)鎮(zhèn)地區(qū)的飲用水源，是中國污水處理當(dāng)前面臨的主要問題。氮元素在水體富營(yíng)養(yǎng)化和對(duì)水生物的潛在毒害方面的重要作用，目前廢水脫氮已成為首要關(guān)注的焦點(diǎn)。人工濕地作為一種小型的，處理費(fèi)用較低的方法被用于處理鄉(xiāng)鎮(zhèn)生活污水。比起活性炭在脫氮方面顯示出的廣闊前景，人工濕地系統(tǒng)由于溶解..
-
Summary:The aggregate machine-tool machining center may cause the demand which the processing manufacturing industry adapts changes unceasingly, uses the pool of labor power effectively, and has the competitive power in global scale's market.Key word: Make the lathe upRegarding the multi-purpose ..
-
2.1 Reinforced ConcretePlain concrete is formed from a hardened mixture of cement ,water ,fine aggregate, coarse aggregate (crushed stone or gravel),air, and often other admixtures. The plastic mix is placed and consolidated in the formwork, then cured to facilitate the acceleration of the chemic..
-
汽車專業(yè)--畢業(yè)設(shè)計(jì)外文翻譯
-
1．ENVIRONMENTAL COST ACCOUNTING IN SMESSince its inception some 30 years ago, Environmental Cost Accounting (ECA) has reached a stage of development where individual ECA systems are separated from the core accounting system based an assessment of environmental costs with (see Fichter et al., 199..
上傳我的文檔
會(huì)員中心
享文檔8折下載
付費(fèi)文檔8折購
VIP免費(fèi)專區(qū)
VIP專屬客服
VIP權(quán)威標(biāo)識(shí)
網(wǎng)絡(luò)防火墻------英文文獻(xiàn)翻譯
外文翻譯——全球價(jià)值鏈下產(chǎn)業(yè)升級(jí)
汽車專業(yè)--畢業(yè)設(shè)計(jì)外文翻譯
正式會(huì)員
