水的總硬度 的英文怎麼說

中文拼音 [shuǐdezǒngyìngdù]
水的總硬度 英文
total hardness of water
  • 水 : 名詞1 （由兩個氫原子和一個氧原子結合而成的液體） water 2 （河流） river 3 （指江、河、湖、海、洋...
  • 的 : 4次方是 The fourth power of 2 is direction
  • 總 : Ⅰ動詞（總括; 匯集） assemble; gather; put together; sum up Ⅱ形容詞1 （全部的; 全面的） general; o...
  • 硬 : 形容詞1 （堅硬） hard; stiff; tough 2 （剛強; 堅定; 強硬） strong; firm; tough; obstinate 3 （勉...
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 硬度 : hardness; solidity; scirrhosity （腫瘤的）
  1. The risc mcu core is based on harvard architecture with 14 - bit instruction length and 8 - bit data length and two - level instruction pipeline the performance of the risc mcu has been improved by replacing micro - program with direct logic block

    設計的riscmcu採用14位字長指令總線和8位字長數據總線分離的harvard結構和二級指令流水設計，並使用硬布線邏輯代替微程序控制，加快了微控制器的速度，提高了指令執行效率。
  2. According to the request of this subject, we have developed the system hardware and software for the slave device and the inspection software running on the pc. in this paper all of the followings is illustrated detailedly, such as the research on the principles of measurement and its realization, three means of water - level measurement that are separately based on photo electricity coder, pressure sensor and potentiometer ; selection of the microchip, we choose an advanced integrated soc ( system on chip ) microchip c8051f021 as the main controller ; realization of signal sampling, processing and its conversion in the mcu ; application of high precision 16 bits adc cmos chip - - ad7705 in our system, designing its interface with the microchip and relevant program ; using a trickle charge timekeeping chip ds1302 in the system which can provide time norm and designing of its i / o interface and program ; additionally, a 4 ~ 20ma current output channel to provide system check - up using ad421. in the system, ad421, ad7705 and the microchip compose spi bus ; to communicate with the master pc, here we use two ways which are separately rs232 and rs485 ; moreover, there are alarm unit, keyboard unit, power supply inspection unit and voltage norm providing unit in the system

    針對研製任務的要求，課題期間研製了下位機系統硬體和軟體，開發了上位機監控軟體，其中所作的具體工作包括：測量原理的研究和在系統中的實現，在本次設計中用三種方法來進行水位測量，分別是旋轉編碼器法、液位壓力傳感器法和可變電阻器法；主控晶元的選擇，我們選用了高集成度的混合信號系統級晶元c8051f021 ；實現了信號的採集和處理，包括信號的轉換和在單片機內的運算；高集成度16位模數轉換晶元ad7705在系統中的應用，我們完成了它與單片機的介面設計及程序編制任務；精確時鐘晶元ds1302在系統中的應用，在此，我們實現了用單片機的i o口與ds1302的連接和在軟體中對時序的模擬，該晶元的應用給整臺儀器提供了時間基準，方便了儀器的使用；另外，針對研製任務的要求，還給系統加上了一路4 20ma模擬信號電流環的輸出電路來提供系統監測，該部分的實現是通過採用ad421晶元來完成的，本設計中完成了ad421與單片機的spi介面任務，協調了它與ad7705晶元和單片機共同構成的spi總線系統的關系，並完成了程序設計；與上位機的通信介面設計，該部分通過兩種方法實現： rs232通信方式和rs485通信方式；系統設計方面還包括報警電路設計、操作鍵盤設計、電源監控電路設計、電壓基準電路的設計。
  3. According to hydrochemistry monitoring material of northwest rivers in recent five years, and compared with the first northwest rivers water resources investigation appraisal result in 80 ’ s of last century, we analyzed the main rivers hydrochemistry condition, runoff degree of mineralization, total hardness and the hydrochemistry type distribution

    根據近5a來對西北諸河的水化學監測資料，統計出了主要河流水化學狀況；分析了河川徑流礦化度、總硬度和水化學類型的地區分佈，並與20世紀80年代第一次西北諸河水資源調查評價的結果進行了比較。
  4. As long as the growth of subscribers is in synch with the evolution cpu power, we are confident that we can grow that cluster far above that, following the growth of subscribers

    只要全球計算機cpu （以及相應所有的硬體）技術水平的發展速度能和付費玩家數量的增長速度同步提高，我們堅信我們總能設計出高於當前玩家數量負載要求的服務器系統。
  5. The result show that degree of mineralization and total hardness have both increased to different extent in majority survey station, hydrochemistry type has transformed in individual station and reflecting the deteriorated water quality

    對比結果表明：大多數測站的礦化度和總硬度均有一定程度的增大，水化學類型個別站點有所改變，顯示水質變差。
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