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And optimum selection of crude types to meet market requirements by blending is necessary. 因此，必須選擇適當的餾分油，用調合法使它滿(mǎn)足市場(chǎng)的要求。
The results confirm that PCMO formulated with hydrogenated base oil as an optimum selection can meet requirements of the newest specification. 結果證明，由加氫油調制的PCMO能滿(mǎn)足最新規格的各項要求，加氫油是基礎油中的最佳選擇。
How to select indices to measure financial risks? 如何選擇度量金融風(fēng)險的指標?
So it has great significancy to realize parameters optimum selection, reduce the requisition for operator, improve quality of spot welding. 所以實(shí)現點(diǎn)焊規范參數選擇優(yōu)化、降低對操作者的要求、提高點(diǎn)焊質(zhì)量，具有重要意義。
Set up the math model for optimum selection on the design of power supply in coalmine,and illustrated advantages of it by example. 建立了煤礦供電方案選擇的數學(xué)模型。通過(guò)實(shí)例說(shuō)明了人工神經(jīng)網(wǎng)絡(luò )應用于煤礦供電設計方案選擇的優(yōu)越性。
Several problems associated with selection strategies of breeder rams are discus sed using the general selection index. 摘要本文應用通用選擇指數原理探討了有關(guān)種公羊選種決策的幾個(gè)問(wèn)題。
Adopting thyristor Regulation voltage technique is the optimum selection to temperature control for electron beam smelting furnace that takes the transformer as the burden. 對以變壓器為負荷的電子束熔煉爐溫度控制采用晶閘管調壓技術(shù)是最佳選擇。分析了該方案在實(shí)施過(guò)程中的幾個(gè)技術(shù)難題,給出了相應的解決措施。
By using the orthogonal experimental design,the author makes optimum selection on preparation of jian li fang,obtains qualified,steady and in accordance with research objects. 用正交試驗設計對中藥"健力方"的制備工藝進(jìn)行優(yōu)選,得到質(zhì)量可靠、穩定、符合試驗研究目的任務(wù)的最佳配方。
With DUC 2004 as the test corpus, the ROUGE value of summaries gotten by sentences selection proves the necessity of sentences optimum selection for multi-document summarization. 第2階段逐步刪除句子，分別以不同特征項作為衡量句子對候選文摘句子集合的貢獻，提出了文摘句優(yōu)選算法。
The formula of selection index and mating combination were mainly made by two characters, daily gain and backfat, and inbreeding coefficient of offsprings, respectively. 其選擇指數公式的確立主要依據日增重，背膘厚這兩個(gè)主選性狀，選配計劃的制訂主要根據后代近交系數。
Habitat selection of Chinese white dolphins (Sousa chinensis) inhabiting the Xiamen Bay was analyzed by using finding frequency, x~2-test, and habitat selection index. 通過(guò)發(fā)現頻次、卡方檢驗和棲息地選擇指數等方法對廈門(mén)中華白海豚的棲息地選擇進(jìn)行了研究。
The select index was constituted by No. of peds of per plant, basic stem diameter, weight of per 100 seeds and No. of seeds of per pod. 由株莢數、基莖粗、百粒重和莢粒數構成的選擇指數對豐產(chǎn)性的選擇十分有效。
Optimum selection of the technological parameters of plasma spraying and field tests show that spraying COWC35 wear-resistant coating on the surface ofdrawworks brake drum is preferable. 等離子噴涂工藝參數的優(yōu)選和試驗研究的初步結果表明,在絞車(chē)剎車(chē)鼓表面噴涂CoWC35耐磨硬質(zhì)合金涂層的工藝是可行的。
The DRI production is necessary for the continued development of the Iron and Steel Complex is pointed out and the united process combining the BF, the direct reduction furnace with the coke oven is the optimum selection. 指出 ,鋼鐵聯(lián)合企業(yè)的可持續發(fā)展需要直接還原鐵 ,高爐、直接還原爐、焦爐聯(lián)合流程是其生產(chǎn)直接還原鐵的最佳工藝選擇。
Finally, the selective index system was made with DELPHI by virtue of its RAD environment. 最后，利用DELPHI語(yǔ)言，借助其快速的集成開(kāi)發(fā)環(huán)境，開(kāi)發(fā)出了信息化指標查詢(xún)系統。
Attention is paid to the theoretical research, the talent selection index system and the formation of the basic children completive training network with the support of the social forces. 注重選材理論的研究，建立和完善選材指標體系；發(fā)揮社會(huì )力量，形成基層少兒競訓網(wǎng)絡(luò )。
In view of the fuzzyness of mining system,a fuzzy optimum selecting method of beneficiationscheme is proposed which wses multi-purpose fuzzy optimum selecting model. 針對礦業(yè)系統中的模糊性,應用多目標模糊優(yōu)選模型,提出了選礦方案的模糊優(yōu)選方法。
The researches about the classification and identification of their species and varieties have provided an early, subservient and selective index for breeding work. 其種間或品種間的分類(lèi)鑒定和親緣關(guān)系的研究為育種工作提供了一個(gè)早期的、輔助的、選擇性的指標。
Each obesity selecting index obtains its own characteristics.WLI is most related to weight, but it also highly related to height. 三種肥胖篩檢指標各有其特色，重高指數與體重有最大的相關(guān)，但卻也與身高有很高的相關(guān)；
In selecting those characters by selection index, the efficiency of selection is dir-ectly proportional to the number of charactrs selected. 利用選擇指數進(jìn)行選擇,選擇效率有隨參加選擇性狀數的增加而提高的趨勢。