ph control 中文意思是什麼
ph control
解釋
ph酸堿度控制-
Studies showed that process and condition control had critical effect on the preparation of yig phase, and the proper conditions specialized as follows : using ammonia - ammonium nitrate ( nh3 - nh4no3 ) as precipitant, ph scope from 10 to 10. 5, using dissolving salt as law materials, dropping their mixed solution into precipitant, precipitation rate at 0. 8ml / min
研究表明，共沉澱的過程和條件控制對yig的合成具有重要影響。實驗得出共沉澱的合適條件為：以nh _ 3 - nh _ 4no _ 3為緩沖溶液，控制ph范圍為10 . 0 ? 10 . 5 ，採用可溶性鹽為原料配製溶液，滴加到沉澱劑中的共沉澱方式，共沉澱速度為0 . 8ml min左右。 -
Moreover, we use a ph sensor at the top of the washing liquid pipe to ensure the pipe in the stomach. the main parts of instrument are sensors, control circuits, cpu, minimize pump touching panel and display panel our design is on the basis of reviewing the development of the classic stomach pump, and consulting the requests of the medic
我們的智能洗胃機的需求分析是建立在對傳統洗胃機的回顧、國內洗胃機的缺陷分析和醫院工作人員對洗胃機提出的要求的基礎之上的，對洗胃機進出水流的信號採集，設計了相應的信號處理電路。 -
On the theory, the predictive function control method based on the state space is discussed and the simulation results validate the pfc method ' s advantages on robust and anti - jamming comparing with pid method by computer simulation. the application research includes the application of the software of predictive function control ( apc - pfc ) and the software of the multiple - variables predictive control ( apc - hiecori ). the former were applied in the temperature control chlorinating process and ph control in the process of zymolysis of penicillin, the latter were applied in the advanced control of reclaim equipment of lox in china petroleum & chemical corporation yangzi petrochemical co., ltd
本文主要從理論和應用兩方面對預測控制方法進行了研究，理論方面主要是從預測函數控制的基本原理出發，研究了一般情況下的基於狀態空間描述的預測函數控制策略，並通過計算機模擬驗證了pfc演算法比常規pid演算法具有更好的魯棒性和抗干擾性：在實際工業過程的應用上，又分為兩類演算法及軟體的應用，預測函數控制策略及apc - pfc軟體的應用主要以聚乙烯氯化過程的溫度控制和青霉素發酵過程的ph值控制為主，多變量預測控制演算法和apc - hiecon軟體的應用主要以揚子石化公司的液化氣回收裝置先進控制為主。 -
The neuron control method with self - tuning gain is proposed for a ph neutralization process. in this control system, the fuzzy t - s model is used to predict the control signal. the neuron controller gain is calculated according to the parameter estimation and experience formulas
針對具有嚴重非線性特性的ph中和過程，提出了一種模糊增益自整定神經元控制方法，這種方法採用t - s模糊推理估計下一時刻的控制量，並通過參數估計和經驗公式來計算出神經元控制器的增益。 -
This paper introduces the development process of wastewater disposal, it ' s auto control system, the level of nowadays and several new techniques of china and foreign countries. the immanent structure, control rules, main features and design methods of auto control systems in wastewater disposal process are studied in this paper. aiming at four typical parameters, such as temperature, dissolved oxygen, ph and the planes of water, the distributed control system is designed, composed by pc called epigyny computer and scm 8098 called hypogyny computer, and some sensors, shift deliver utensils and related meet orifices of parameters gathering and figures communication
本文介紹了國內外污水處理及其自動控制系統的發展過程、當今水平和提高自動化程度的若干新技術；研究了污水處理自動控制系統的內在結構、控制規律、主要特點和設計方法；選取污水處理中的典型參數溫度、溶解氧、 ph值和液位等為控制對象，設計了以個人計算機為上位機、以8098單片機為下位機，並輔之以傳感器、變送器及相關介面單元所構成的二級集散控制系統（ dcs ） ；介紹了幾個主要程序模塊的設計思路、工作過程，這些程序模塊是：用高級語言visualbasic6 . 0開發的上位機人機交互界面程序、數據處理和圖表輸出程序，用執行效率高的匯編語言開發的下位機數據採集與系統監控程序、上位機與下位機之間的數據通信程序，匯編語言與vb之間的轉接程序，等等。 -
Secondly, a kind of leading control method on the basis of energy containing in system, which combined the demerits of pid control and neural network control, is presented according to the large hysteresis characteristics of the ph and orp
由於工業現場的ph / orp系統都是滯后很大的時變對象，針對這個特點，本文提出了根據系統中所蘊藏的能量進行超前控制的控制演算法。 -
To explain the nature of food as a medium for chemical reactions and the effects of electrolytes, non - electrolytes, ph and dispersed phases on the structures and reactivities of food components ; to examine in detail the mechanisms of non - enzymic browning, food additive - food component reactions, and methods of control
介紹食物的化學反應、電解質與非電解質的效果、食物元素的酸堿值發散階段及組織與反應、非酵素褐化的結構、食品添加物成分與反應、與控制方法等。 -
Abstract : the ph control system of centralization process in sugar refinery and the predictive controller designed by using dynamic array contro1 algorithm are presented
文摘:介紹了糖廠酸堿中和的酸度控制系統以及採用動態矩陣控制演算法設計的預測控制器。 -
This paper present a sufficient and necessary condition of constructing quintic ph curves and analyze the geometric meaning of the control polygon
本文給出了構成五次ph曲線的充要條件，分析了其控制多邊形的幾何意義。 -
Test method for agricultural ph control agents
農用ph控制劑的試驗方法 -
Because of the influences of the turbidity, ph of raw water, current, temperature and the pollutions of raw water, the process of coagulant dosage is a very complex reaction. to find out the automation of coagulant dosage and reduce the cost of the coagulant, many domestic and international scientific research organizations make research into the theory and mechanism of automation of coagulant dosage, such as the streaming current control method ( scd ), the emulation experimenting method in spot, mathematics model, flocculation control device ( fcd )
由於受到原水濁度、 ph值、配水流量、原水溫度和其他水質污染的影響，投藥絮凝過程是一個非常復雜的反應過程，為實現投藥系統的自動化和降低混凝劑耗率，國內外相當多的科研機構和院校在進行投藥機理和自動化處理的研究，主要有流動電流儀檢測法（ scd ） 、現場模擬實驗法、數學模型、顯示絮凝控製法（ fcd法）等自動投藥方式的研究和實驗。 -
The ratio of tetraethyloxysilane ( teos ) : ethanol : distilled water is 1 : 3 : 4. n - n " dimethyl formamide ( dmf ) was used as solvent and drying control chemical additive ( dcca ) in a proportion of 0. 3 dmf / ethanol volume ratio. drops of hf / hc1 mixture acid was added to promote hydrolysis ( ph = 2 )
溶劑的選擇對基質凝膠孔的形狀基本沒有影響，但對其孔徑分佈有較大影響:在hf / hci混合酸催化情況下， dmf溶劑的樣品孔徑最小， dmf /乙醇混合溶劑的其次，乙醇溶劑的樣品孔徑最大。 -
The physiological reaction of c. junos under iron stress in field experiments, c. junos manifested itself as tolerant to iron stress. no chlorosis symptom was not found in its leaves when it was grown in a soil with ph 7. 8. in contrast, severe chlorosis was found in the control plant p. trifoliata grown under the same soil conditions, and leaf chlorophyll content as an indicator for the degree of fe deficiency in p. trifoliata was much lower than in c. junos
主要的研究結果如下： 1 ：鐵脅迫下香橙的生理反應研究香橙在田間實驗中表現耐缺鐵，在ph7 . 8的土壤中生長正常，葉片無任何缺鐵癥狀；但對照植物枳在同樣土壤條件下卻表現出明顯的缺鐵癥狀，作為缺鐵程度指標的葉片葉綠素含量極顯著低於香橙。 -
Torng, chau - chen, 1992, economic statistical design of variables control charts, ph. d. dissertation, arizona state university
童超塵， 1996 ，資料相關性對統計製程管制方法之敏感度分析，國科會專題研究計畫報告 -
1. physical changes of hemolymph of p. americanna after injection with m. anisopliae the ph value of hemolymph of p. americanna increased rapidly from ph6. 8 to ph 7. 0 and the number of hemocytes ( nh ) of p. americanna at all the developing stages became lower than the blank control ( bc ) after injection with 4 + 107 / ml fungal spores
1注射綠僵菌孢子后蜚蠊血淋巴物理性質的變化蜚蠊若蟲血淋巴ph值為ph6 . 8 ，注射4 10 ~ 7個/ ml濃度的綠僵菌孢子到蜚蠊體內后，蜚蠊血淋巴的ph值上升到ph7 . 2 。 -
Control the number of master students who have completed their undergraduate program at the same university and those who wish to continue their ph. d program at the same university
碩士教育收費制度得到人們的逐步認同k8人但要盡快建立、健全與此相配套的獎學金、貸學金和勤工助學制度。 -
The decrease of organic matter and the increase of alkali - hydrolyzable nitrogen of the hydrogen treatment were higher than the control, and urease activity, nitrogen fixation arnmonification had the same tendency, and amino acids had also changed. hi addition, comparing the control, ph of hydrogen treatment was increase and eh was decrease, and microbe mass was also too
與對照相比，氫處理培養有機質減少量小、堿解氮的增量高，脲酶活性、固氮能力、氨化作用都較強，並且不同種類的氨基酸也表現出各自相應的差異來。此外，土壤經氫處理后，土壤的ph上升， eh下降，土壤微生物生物量也呈減少趨勢。 -
According to the general principles of biomineralization, we used many functional organic templates, which can efficiently interact with caco3 crystal, to control the crystal form and the morphology of caco3. many systematic studies o f the influence of various experimental parameters, such as ph of solution, concentration of additives and caco3, temperature, aging time, etc., on the morpho - logy and size of caco3 crystals are investigated
我們系統地分析了各種實驗參數，例如溶液的ph值、有機大分子的濃度、碳酸鈣的濃度、環境溫度、陳化時間等對碳酸鈣粒子形貌及大小的影響，合成出了一系列具有奇異形貌的碳酸鈣材料，豐富了碳酸鈣形貌的種類，並對這類材料的礦化機理進行了較深入的研究。 -
Chemical conditioning, chemical tank, chlorinator, dechlorinator, orp control device, ozonation system, ph control device
化學定性、化學槽、加氯器、除氯器、氧化還原電壓 -
To transform a voltage - control problem to a current - control problem, a current - controlled voltage - source inverter ( cc - vsl ) is considered, and a power flow controller based on ph control algoritltnm is designed to improve dynamics of control system and implement closed - loop control to active and reactive power. to promote adaptation and robust, a self - tuned p1 power controller based on fuzzy rule is presented
論文還探討了採用電流跟蹤控制pwm電壓型逆變器實現sssc的問題，將注入串聯電壓控制問題轉換為逆變器的電流控制問題，以此建立了sssc控制系統的結構，並設計了基於pi控制演算法的sssc的潮流控制器，模擬表明其改善了系統動態特性，實現了對p和q的閉環控制。
分享友人