A imitation design about the optical polarization phenomenon experiment 光學(xué)偏振實驗仿真設(shè)計
To shorten charging time and improve charging efficiency , the circuit can change the charging electric current automatically according to real time voltage of the battery , and dispel the polarization phenomenon by narrowing pulse discharge in the whole course 該電路可根據(jù)蓄電池端電壓自動改變充電電流大小,并通過全程窄脈沖放電消除了充電過程中的極化現(xiàn)象,縮短了充電時間,提高了充電效率。
In fact , information technology will make the economic test more intense all over the world . “ management actions are to be gathered towards high level and production to be proliferated to low level . ” the polarization phenomenon of cities will become intensified and the scale of big cities will enlarge 實際上信息技術(shù)使全球經(jīng)濟競爭更加激烈, “管理的高層次集聚,生產(chǎn)的低層次擴散” ,城市極化現(xiàn)象加劇,大城市規(guī)模將會更加巨大。
Therefore , this paper suggests that , in order to avoid the repetitious appearance of the polarization phenomenon and eliminate the governmental ineffectiveness during the course of china ' s regional development , governments should take measures to make institutional innovations and reconstruct a new decentralized public governance mechanism 為了避免區(qū)域發(fā)展中循環(huán)往復(fù)的馬太效應(yīng)現(xiàn)象,根治區(qū)域開發(fā)中的政府失靈問題,市場制度下必須對國家簡單化的公共管理體制進(jìn)行制度創(chuàng)新,構(gòu)建一種新型的分散治理機制。
The disease in jaw surface will be drop the bite force ; the bite force in the patient who disease in temporal jaw joint descent obviously than normal person ; serious mistake in join deformity , the acute damage in the area arthritis can also drop the bite force evidently ; compare to normal children , wenneberg fund that the bite force lower and the duration of the biggest bite force shorter in the children who fall ill of the chronic arthritis ; the bite force also be used in appraise of the recovery condition in surgical operation 、 disorder in jaw arthritis and the serious bone offset in bite lopsided etc . some materials , it will be produce polarization phenomenon inside when suffered some force in certain direction , at the same time , it produce opposite electric charge in two of the surface ; and resume to the station of on - electrification when removed the outside force ; change the direction of the outside force , the polarity of the electric charge also be changed , this kind of phenomenon is called as “ piezoelectric effect ” 本文設(shè)計了石英晶體壓電傳感器,以它作為傳感元件把咬合力信號轉(zhuǎn)變成電信號;利用ts5860型準(zhǔn)靜態(tài)電荷放大器把傳感器的電荷信號轉(zhuǎn)變成電壓信號;選用usb7822數(shù)據(jù)采集卡,編寫該數(shù)據(jù)采集卡的驅(qū)動程序,采集該電壓信號并送到計算機里;編寫labview程序?qū)υ撔盘栠M(jìn)行處理,得出咬合力值和咬合力曲線,并把測量結(jié)果以電子表格的形式保存,以便做進(jìn)一步的分析和研究。通過對該測量儀的靜態(tài)標(biāo)定、動態(tài)標(biāo)定、溫度漂移標(biāo)定以及實際測量試驗,證實了本測量儀具有較高的靈敏度、受動態(tài)力和溫度變化的影響比較小、能實時地顯示咬合力曲線和較準(zhǔn)確地顯示咬合力值,滿足了咬合力測量的要求。