水下阻流器 的英文怎麼說

中文拼音 [shuǐxiàliú]
水下阻流器 英文
su ea choke
  • : 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...
  • : 下動詞1. (用在動詞后,表示由高處到低處) 2. (用在動詞后, 表示有空間, 能容納) 3. (用在動詞后, 表示動作的完成或結果)
  • : 動詞(阻擋; 阻礙) block; hinder; impede; obstruct
  • : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  1. 2. aqueous solution electrolyte such sulphuric acid starts to decompose about iv or so, but nonaqueous solution such as 1 mol / 1 eunbf4 / pc ca n ' t decompose below 2 - 5v. at the same current, the capacity of capacitors with monaqueous electrglyte is higher than that of aqueous electrolytes, but the former have high internal resistance, the latter has low resistance but it erodes the systems

    由於系電解質h _ 2so _ 4的耐分解電壓只有1v左右,而非系電解質1mol 1et _ 4nbf _ 4 pc的為2 . 5v左右,在相同的電充放電時,電解質為非系電解質的電大,這樣增大了電容的內;而系電解質h _ 2so _ 4的電低,但是它腐蝕設備。
  2. The tension force, shear forces ( including pushing force, cutting force and friction force ), impulse force, hydrodynamic drag on the suction pipes, and the force resulted from the pressure difference, etc, are the main forces for detail discussion in this paper

    詳細討論了主要作用力:在波浪補償作用的纜繩拉力、耙頭與海床間的土壤剪切力、作用在耙吸管上的力及由於壓力差在耙頭處產生的推動力等。
  3. Eyebrow beauty is not only important organ, but also block for the department of sweat down into the cul - de - sac, thus indirectly play a role in protecting the eye

    眉除了是重要的美容官之外,還有擋額部的汗入結膜囊,從而起到間接保護眼球的作用。
  4. 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位測量,分別是旋轉編碼法、液位壓力傳感法和可變電法;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提供了時間基準,方便了儀的使用;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。
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