dust index 中文意思是什麼
dust index
解釋
粉塵指數-
The persistence of dry warmer sector in winter in northwest of china is the index of its occurrence. moreover, the sand over the ground surface also provided a favorable substance condition. sand - dust weather in qingdao occurred frequently in spring
蒙古氣旋和西北強冷空氣是「 3 . 20 」強沙塵暴最主要的天氣形勢和動力機制；冬季北方乾旱少雨、沙塵裸露面大提供了物質基礎。 -
This machine combines advantages of machines from home and abroad with good airproofing performance, agile turning, filtering bag can be convenient to be changed, dust removing efficiency is more than 99 5, dust discharging density is lower than national standard. filtering bag adopts ladder type flat bag structure which has simple structure, close collocation, high filtering area index, large back - blow swing and dust can be easily shaken off
該機集國內外同類產品優點於一體，密封性好回轉靈活，更換濾袋方便，除塵效率大於99 5 ，粉塵排放濃度低於國家標準濾袋採用梯形扁袋結構，結構簡單，排列緊湊，過濾面積指標高，反吹振幅大，易於抖落積塵 -
Whether the seeding absence alarm device works well or not is mainly decided by anti - dust condition of seeding absence monitoring sensor. it had been analyzed the factors affecting the anti - dust performance of optoelectronic sensor. double - way laser reverse direction sensor has been made ( anti - dust index access to 0. 95, while the index of the led only reach 0. 5 around )
本研究從器件、結構、放大電路等多方面分析了影響光電傳感器抗塵性能的因素，製作了雙路激光逆向直射傳感器（根據本文提出的量化方案抗塵指數可達0 . 95 ，一般led光電傳感器為0 . 5左右） 。 -
The company adopts hot - water boiler and steam boiler ， introducing into wet dust catcher, scrape - board removing ash machine and water disposing facility, and heating area achieves 140, 000 square meters, and all kinds of index arrives desire of environmental protection department
公司採用熱水式鍋爐和蒸汽鍋爐相結合，引進濕式除塵器、刮板除灰機及水處理設備，供暖面積約14萬平方米，各項指標均達到環保部門的要求。 -
Referring the sensitization monitoring method, the quantitative measurement by the wedge and the anti - dust performance expressed by optics density quantity had been developed. the concept of the indicator of anti - dust was put forward. at the same time, the anti - dust function was used as a index of optoelectronic sensor " s performance evaluation
深入研究了農用光電傳感器的抗塵問題，借鑒感光測定方法，開創性地提出了用標準光楔進行量化測量和用光學密度量化表示光電傳感器抗塵性能的方案，提出了抗塵指數的概念，並在此基礎上提出了將抗塵性能作為開關量光電傳感器的一項性能評價指標。
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