pulse electromagnetic field造句
例句與造句
- Experimental study on sterilization of pulsed electromagnetic field
脈沖電磁場(chǎng)的殺菌實(shí)驗(yàn)研究 - Effects of pulsed electromagnetic field on regeneration of peripheral nerve
脈沖電磁場(chǎng)對(duì)周圍神經(jīng)再生的影響 - The mechanism of pulsed electromagnetic fields treating postmenopausal osteoporosis
低頻脈沖電磁場(chǎng)治療絕經(jīng)后骨質(zhì)疏松的機(jī)制 - Effect of pulsing electromagnetic fields on mineralization of bone lengthening in goats
牽張成骨術(shù)在延長(zhǎng)下頜骨中新骨生成方式的研究 - Being a method of time - domain electrical magnetic surveying , the transient electromagnetic method ( tem ) can transmit first pulse electromagnetic field to underground making use of loop or electrical source and receive secondary induction field during of the pulse intermission
瞬變電磁法是一種時(shí)間域電磁測(cè)量方法，是利用不接地回線或接地線源向地下發(fā)送一次脈沖磁場(chǎng)，在一次脈沖磁場(chǎng)的間歇期間，采用不接地線圈接收感應(yīng)二次磁場(chǎng)。 - It's difficult to find pulse electromagnetic field in a sentence. 用pulse electromagnetic field造句挺難的
- Thanks to the support of the national natural science foundation of china under grand no . 50277036 for " the pulse electromagnetic fields and system - level em radiation of electric vehicles " , this thesis concentrated on the design of the variable voltage and variable frequency ( vvvf ) system and the development of a genetic algorithm for vector optimal design problems . the work includes mainly four parts : a brief introduction of the frequency - converter , the emc design of the vvvf system and the national standard of the electromagnetic interference of the vvvf system , the study of global search optimization algorithms , and an improved genetic algorithm called emigration genetic algorithm for multi - objective optimal problems
在國(guó)家自然科學(xué)基金資助項(xiàng)目《電動(dòng)汽車脈沖電磁場(chǎng)與系統(tǒng)級(jí)輻射的研究》的工作基礎(chǔ)上，本文對(duì)電動(dòng)車電磁輻射關(guān)鍵部分? ?變頻調(diào)速系統(tǒng)的電磁兼容性設(shè)計(jì)以及在電磁兼容性設(shè)計(jì)中涉及到的電磁系統(tǒng)的多目標(biāo)優(yōu)化方法進(jìn)行了系統(tǒng)的分析和研究，其核心內(nèi)容包括：變頻器工作原理；變頻調(diào)速系統(tǒng)電磁兼容性設(shè)計(jì)及變頻調(diào)速系統(tǒng)電磁兼容標(biāo)準(zhǔn)；隨機(jī)類全局優(yōu)化算法研究；提出了一種改進(jìn)的遺傳算法命名為遷徙遺傳算法。 - Abstract : it was studied by us that new technologies using strong pulsed magnetic field and electric current were applied to refine metal ' s solidified structure . these technologies improved remarkably the solidified structure of ly12 aluminum alloy and made the solidified grains more equiaxed and apparently finer compared with that of the normal sample , which is of more dendrite grains . the stronger the strength of the pulsed electromagnetic field , the better the improvement effect was . the refinement mechanisms of the new technologies were analyzed theoretically . new phenomena and problems occurred in our experiments were also pointed out in this paper
文摘:提出了用強(qiáng)脈沖磁場(chǎng)和電流細(xì)化金屬凝固組織的新工藝.與未經(jīng)磁場(chǎng)或電流處理的凝固樣品相比，強(qiáng)脈沖電磁場(chǎng)能夠顯著地改善ly12鋁合金的凝固組織，使晶粒明顯細(xì)化、球化,電磁場(chǎng)的強(qiáng)度愈強(qiáng)，這種改善效果愈明顯.對(duì)該新工藝的細(xì)化機(jī)理進(jìn)行了理論分析，同時(shí)，指出了實(shí)驗(yàn)中的新現(xiàn)象和新問(wèn)題