道路運輸鑒定書(編輯修改稿)
2024-11-15 23:10 本頁面
【文章內(nèi)容簡介】 ) 在壓力≤，溫度20177。5℃的條件下，鑒定書《運輸安全鑒定書》。 在75177。2℃和40177。2℃的條件下進(jìn)行高低溫沖擊試驗，在極限溫度中存放時間6h，高低溫轉(zhuǎn)換時間≤30min，沖擊10次，室溫(20177。5℃)存放24h， 15min內(nèi)從7Hz至200Hz完成一次往復(fù)對數(shù)掃頻正弦振動，3h內(nèi)完成三維方向12次振動。對數(shù)掃頻為：從7赫茲開始保持1gn的最大加速度直到頻率達(dá)到18赫茲。()并增加頻率直到最大加速度達(dá)到8gn(頻率約為50赫茲)。將最大 加速度保持在8gn直到頻率增加到200赫茲。 150g、6ms或50g、11ms半正弦沖擊，每個安裝方向進(jìn)行3次，總共18次。 在55177。2℃、外電阻 177。，檢測電池表面溫度。 在2倍的最大連續(xù)充電電流和2倍的最大充電電壓條件下，對電池過充24h。 電池串連12V直流電源，以最大放電電流進(jìn)行強制放電。判定測試合格標(biāo)準(zhǔn)(a)，沒有發(fā)生解體或起火。(b)、流出物不是毒性、易燃或腐蝕性物質(zhì)。1目視觀察沒有看到排氣或滲漏。2。(c)，流出物不是毒性或腐蝕性物質(zhì)。1目視觀察沒有看到排氣或滲漏。2。第四篇：運輸鑒定書 英文 （本站推薦）運輸鑒定書 英文Aging research institute was founded in 1961, is in Beijing, Guangzhou Research Institute of chemical synthetic materials aging test station established on the basis of the time of the Guangzhou aging test station was established in 1956, initially mainly with the socialist camp in the former Soviet Union, out of strategic considerations on polymer materials(plastic, rubber, paint, adhesives, fibers)are subtropical humid country climate exposure test, because the former Soviet Union in a cold climate, the addreis located in in South Asia tropical continuous development, has bee the only one in the synthetic materials aging research this country the institutions are: the chemical industry of synthetic materials aging, quality supervision and inspection is through the national metrology certification legal quality inspection institutions, is China39。s only specialized in synthetic materials aging quality inspection of national the same time, in 2003 through the National Laborato
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