滴定管量管 的英文怎麼說
中文拼音 [dīdìngguǎnliángguǎn]
滴定管量管
英文
burette-
Don ' t let inaccuracy hold you back in lab ! this video introduces the proper methods for measuring precise volumes of liquid using pipets, burets, volumetric flasks, and syringes
不要讓不精確在實驗室阻礙你!此影片介紹正確方法來使用滴管、滴定管、量瓶和注射器精確測量液體體積。Through the analysis of contest experimental test questions from 1995 to 2003, it is found that metage, synthesis, standardization and determination are the characteristics of these years " experimental test questions. chemistry experiment is based on the elementary knowledge, especially checking the usage of suction pipet and buret. the core of questions lies on the basic operation of metage, dissolution, suction, refluxing, filter, wash and titration
通過對1996 - 2003年化學競賽決賽實驗題進行分析得出: 「稱量?合成?標定?測定」是近幾年實驗試題的特點;化學實驗重在基礎,特別是考察移液管和滴定管的使用;基本操作如稱量、溶解、移液、回餾、抽濾、洗滌、滴定等是實驗考查的重點。Other common devicesintravenous medication pumps allow the nursing staff to titrate medications ; foley catheters and urine collection bags aid in monitoring urine output ; sequential compression devices squeeze the lower extremities and reduce the incidence of deep venous thrombosis ; transvenous pacemakers stimulate the patient ' s heart to beat ; dialysis machines remove fluid and correct electrolyte and acid - base disturbances ; intraaortic balloon pumps assist the heart ' s contractility ; and neurologic monitoring systems measure intracranial pressure
其他常用裝置靜脈內給藥泵由普通護士用於滴定藥物;弗利氏導管和集尿袋幫助監測排尿量;連續壓迫裝置擠壓下肢,減少深部靜脈血栓形成;經靜脈起搏器刺激病人心臟跳動;透析儀除去液體,糾正電解質和酸堿紊亂;主動脈內氣囊泵支持心臟收縮;神經病學監測系統測定顱內壓。Afterwards, the remnant lactic acid in lactide was measured by non - aqueous titration with sodium methoxide and the remnant water was surveyed by karl - fisher method. the melting point was investigated by thiele tube and the characteristics of lactide were analyzed by ir, uv spectrum, tg and dsc respectively
然後,用甲醇鈉非水滴定法測定丙交酯中殘存乳酸,卡爾-費休法測定丙交酯中殘存水的含量,用提勒管測定精製丙交酯熔點,用紅外吸收光譜、紫外光譜、差熱分析對合成的丙交酯以及回收的丙交酯進行表徵。When other factors are unchangeable, with the growing of the diameter of drip line and the distance of emitters, irrigation uniformity of trickle system is increasing. the face gradient of little irrigation district has complex effect on irrigation uniformity. in a word, we tries our best to make the face of little irrigation district flat in order to improve the quality of drip - irrigation system
灌水均勻度由某一因素決定,而其它因素不變的條件下,隨管徑增大,滴灌系統的灌水均勻度增大;隨滴頭間距增大,灌水均勻度也在增大;地形坡度對灌水均勻度影響比較復雜,為了提高低壓滴灌的灌水質量,土地必須整平。Intravenous medication pumps allow the nursing staff to titrate medications ; foley catheters and urine collection bags aid in monitoring urine output ; sequential compression devices squeeze the lower extremities and reduce the incidence of deep venous thrombosis ; transvenous pacemakers stimulate the patient ' s heart to beat ; dialysis machines remove fluid and correct electrolyte and acid - base disturbances ; intraaortic balloon pumps assist the heart ' s contractility ; and neurologic monitoring systems measure intracranial pressure
靜脈內給藥泵由普通護士用於滴定藥物;弗利氏導管和集尿袋幫助監測排尿量;連續壓迫裝置擠壓下肢,減少深部靜脈血栓形成;經靜脈起搏器刺激病人心臟跳動;透析儀除去液體,糾正電解質和酸堿紊亂;主動脈內氣囊泵支持心臟收縮;神經病學監測系統測定顱內壓。Piston - operated volumetric apparatus - part 2 : piston pipettes
活塞驅動式容量測定儀.第2部分:活塞式滴管The concentration of feso4 was determined by micro titration with a novelly designed pipette and kmno4 standard solution
摘要將微型滴定用於硫酸亞鐵含量的測定,設計並使用與微型滴定管精度一致的移液管,比較了微型滴定與常量滴定的測定結果。Based on literature, applications of electrochemical analysis methods, including coulometry, polarography and high performance capillary electrophoresis, in the determination of flavoniods are described to offer reference to the research, development and application of flavonoid compounds
摘要在查閱文獻的基礎上,介紹了黃酮含量的電化學測定方法,包括庫侖滴定法、極譜法、高效毛細管電泳等,旨在為黃酮類化合物的研究、開發、應用提供參考。With the in - built drip irrigation belt and thin wall chip irrigation belt taken as examples, the flow rate distribution and hydraulic losses of drippers along capillary tubes at different inlet pressures were measured under the conditions of horizontal slope and slope gradients of 0. 5 % and 1 %, then the uniformity of capillary tubes was calculated at different slope gradients and pressures in consideration of the manufacture deviation of drippers
摘要以內鑲式滴灌帶和薄壁滴灌帶為研究對象,測定了平坡、 0 . 5 %坡度和1 %坡度時,不同入口壓力下滴頭沿毛管的流量分佈和水力損失,並結合滴頭的製造偏差,計算得出不同坡度和壓力條件下滴灌毛管的均勻度。( 3 ) based on the experiments data, it has been found that if the emitter discharge of sdi was little, the depth of pipe buried should be shallow, and the distance between two micro holes should be chosen to equal or close the distance between two lateral pipes, if the emitter discharge of sdi was great, the pipe may be buried deeper, and the distance between two micro holes could be greater than the distance between two lateral pipes
根據一維土柱近似的濕潤輪廓線初步選定了工程設計參數。在地下滴灌灌水器出流量較小情況下,埋深應淺,孔距應選擇和毛管間距相等或接近;出流量大時,埋深可深,孔距大於毛管間距仍可獲得較均勻的土壤水分分佈。Abstract : problems caused in designing and management including configuring regulating devices, deciding spaces of the last pipelines, and working - out irrigation scheme in reason using drip irrigation in green houses and in covered lands are raising in recent years, theose not only affect benefits but also result in failing of projects
文摘:近幾年來溫室、大棚種植蔬菜採用滴灌技術的越來越多,但有些工程無論設計上、管理上都存在一些問題,包括調壓設備的合理配置,按土壤、作物、灌水器及滴灌總水量合理確定毛管(或滴灌帶)的間距,以及按大棚蔬菜的耗水特性合理確定灌溉制度等,上述各項確定的不合理,不但直接影響效益,嚴重時可導致工程失敗,值得重視。The main problems existed in the measured buildings conclude : low energy efficiency plants, low eer when the cooling load decreased during the night period in hotels, bad management, dissatisfied indoor air quality, low efficient water system and so on. if we can avoid these problems, a lot of energy can be saved
重慶市公共建築主要存在的問題有:設備效率達不到額定值,冷水機組冷量配備過大,酒店在夜間低負荷運行時空調系統能效比( eer )很低,室內環境很不令人滿意,水系統輸送效率低下,跑冒滴漏現象嚴重,運行管理混亂等。Although thermotitrimetry can trace its origins back to the early years of the century1, it is only since the advent of fast - response thermistors in the 1950 ’ s that the technique has become of practical use to analysts
盡管熱滴定測量的最早起源可以追溯到本世紀的最初幾年,但是直到20世紀50年代快速響應熱敏電阻的出現才使這項技術對分析家產生實際作用。And it can help us to open up the utilization scope of frequency changer. the main content have been studied in this paper. for example, the energy saving effect of the frequency changer utilization in tube - well irrigation, spray irrigation and drip irrigation, the influence of the frequency changer to the degree of consistency in tube - well irrigation, spray irrigation and drip irrigation, and the full - scale test of the frequency changer used in tube - well irrigation
本項目在國內首次提出了變頻調速裝置在管灌中使水泵進行「恆量變壓」變頻運行的設想,並首次對變頻調速裝置在農業節水灌溉中的應用進行了實地試驗研究,該研究成果對變頻調速裝置在管灌、微噴及大棚滴灌中的應用具重要的指導意義,對變頻調速裝置的設計研究及其應用范圍的拓展等具有一定的理論意義和很大的實用意義。Microchemical apparatus - volumetric analysis - specification for burettes with pressure - filling device and automatic zero
微量化學儀器.第d集:容量分析儀器.第1部分:帶壓力加註裝置和自動回零的滴定管規范Methods for chemical analysis of iron, steel and alloy the potassium iodate titration method after combustion in the pipe furnace for the determination of sulfur content
管式爐內燃燒后碘酸鉀滴定法測定硫含量Methods for chemical analysis of iron, steel and alloy. the potassium iodate titration method after combustion in the pipe furnace for the determination of sulfur content
鋼鐵及合金化學分析方法管式爐內燃燒后碘酸鉀滴定法測定硫含量分享友人