測量孔板 的英文怎麼說
中文拼音 [cèliángkǒngbǎn]
測量孔板
英文
measuring orifice plate-
Measurement of fluid flow by means of pressure differential devices inserted in circular cross - section conduits running full - orifice plates
用插入圓截面管道中的壓差裝置測量流體流量.節流孔板Measurement of fluid flow by means of pressure differential devices inserted in circular cross - section conduits running full - part 2 : orifice plates
用插入滿載的圓截面管道中的壓差裝置測量流體流量.第2部分:節流孔板Measurement of fluid flow by means of pressure differential devices - guidelines for specification of nozzles and orifice plates beyond the scope of iso 5167 - 1
用壓差裝置測量流體流量. iso 5167 - 1規定范圍之外的噴嘴和節流孔板規范指南Measurement of fluid flow by means of orifice plates, nozzles and venturi tubes inserted in circular cross - section conduits running full
流量測量節流裝置用孔板噴嘴和文丘里管測量充滿圓管的流體流量Abstract : various measurement methods of the capacity of gas discharge forpiston type compressor are analized and compared. the orifice choke device that is suitable for measurement in site is recommended emphatically. in combination with the example of measurement in site, the matters needing attention of measurement in site on the capacity of gas discharge for compressor are point out
文摘:對活塞式壓縮機排氣量的各種測量方法進行了分析比較，著重介紹了比較適合於現場測量的孔板節流裝置，並結合現場測量實例指出了壓縮機排氣量現場測量應注意的問題。Second, the test report produced by the system is not the standard case report. the purpose of this article is to develop a way to increase the clinical samples per test and design the mis for autodelfia 1235. [ methods ] ( l ) the remain volume in the reagent bottle corresponding of the assay buffer, incubation buffer, eu and ab was obtained by surveying the limited probe position of the right and left dispenser, respectively
[方法]測定左右兩個試劑分配器的探測極限位置，獲得各類試劑的最低剩餘量；定量分析和測試配套藥盒各類試劑的實驗用量，獲得雙微孔板測試各類試劑的實驗配置量；定量檢測各類試劑瓶的容積，評估雙微孔板測試採用單微孔板封裝藥盒的可行性。Measurement of fluid flow in pipes using orifice, nozzle, and venturi
用孔板管接頭和文杜利管測量管道中的液體流量Measurement of fluid flow in pipes using orifice, nozzle, and venturi - part 1 - general
用孔板噴嘴和文杜利流量計測量管道中液體流量.第1部分:總則Measurement of fluid flow in pipes using orifice, nozzle, and venturi - part 2 - orifice plates
用孔板噴嘴和文杜利流量計測量管道中液體流量.第2部分:孔板Measurement of fluid flow in pipes using orifice, nozzle, and venturi - part 4 - venturi meters
用孔板噴嘴和文杜利流量計測量管道中液體流量.第4部分:文杜利流量計Measurement of fluid flow in pipes using orifice, nozzle, and venturi - part 3 - nozzles and venturi nozzles
用孔板噴嘴和文杜利流量計測量管道中液體流量.第3部分:噴嘴和文杜利噴嘴In vitro injury models of brain slice ( ogd and nmda insult ) and primary neuronal cultures ( nmda insult ) oxygen / glucose deprivation ( ogd ) - induced injury of rat hippocampal slice in vitro the rat hippocampal slices prepared were allowed to recover in the normal artificial cerebrospinal fluid ( acsf ) bubbled with gas mixture of 95 % o2 + 5 % co2 for 1 h, then they were thansfered to glucose - free nacsf which was bubbled with gas mixture of 95 % n2 + 5 % co2. after treatment with ogd, the slices were placed into 2 % ttc solution in dark and incubated at 37 * cfor 1h. the slices were weighted and a 50 : 50 mixture of ethanol / dimethyl sulfoxide was then added to extract the formazan in dark for 24 h
離體腦片損傷模型（ ogd和nmda ）及原代培養神經元nmda損傷大鼠離體海馬腦片缺氧缺糖（ ogd ）損傷大鼠離體海馬腦片制備后，在通氧混合氣的正常腦脊液（ nacsf ）中恢復60min ，然後移入通氮混合氣的無糖腦脊液（吵化sf ）中缺氧缺糖，取出腦片與2 ttc避光37 』 c溫浴60dll ，染色后根據每克濕重加入20ml抽提液（乙醇：二甲亞礬一50 ： 50 ） ，在密閉容器內避光置24h ，測量前搖勻后取200pi至96孔板，在490urn波長，酶標儀測定各孔od值。At the same time the number of holes for liquid flowing, gas flowing and blocked to the number of total holes was defined as liquid flowing ratio, gas flowing ratio and blocked ratio. the experiment was made with in - diameter 500mm column using water - air system, the ratio was first delected in detail by multi - path conductivity gauge for the compound tray with free area 20 % and 25 % respectively
採用多路電導測試儀，在直徑500mm的冷模塔內，以空氣-水為介質，首次較系統地測量了開孔率為20和25的復合塔板的通氣、通液和阻塞篩孔的數量比例，獲得了通氣率、通液率和阻塞率隨氣液變化的基本規律。Standard test method for capillary - moisture relationships for coarse - and medium - textured soils by porous - plate apparatus
用多孔板儀器測量粗粒和中等結構土壤的毛細管與水份關系的標準試驗方法It is not sure that the improvement is also fitted to the other items. but basing t he study, it is obvious that if all the reagent bottles of any item reagent kit can provide enough reagent for its dual - plate test, the improvement can be used to double the test samples
而與autodelfia1235相配套的其它單微孔板封裝藥盒，是否也可採用該方案，實現一次上機檢測標本量的翻倍，還必須對這些藥盒各類實驗試劑的具體用量，進行定量分析和評估。The technology of micro - electronics and calculation method was fully made in the system. how to improve the accuracy of standard orifice measurement is also discussed from the following aspects : the means of measurement and transmitter, online correction of measurement parameter and abnormal condition. all those means are used to overcome its shortcomings of less scale of measurement range, short period of checkout, more tache of maintenance and low accuracy of measure
該系統充分利用微電子技術和計算技術以及通過實際現場總結的經驗，主要從測量與變送環節採取的措施、相關參數的在線實時補償演算法、非正常情況的在線補償三個方面對如何提高量精度加以論述，盡可能地彌補孔板差壓式流量計量程比較小、檢定周期短、維護環節多、準確度低的不足。Present the experimental research carried out on strain and stress by applying the resistance strain surveying technique to the big hole sealed heads in the new fire - tube heating boilers with the laws of strain and stress distribution obtained and allowable working pressure given because there is no applicable standards or specification for calculating the strength of crude oil heating boiler heads perforated by densely distributed big - holes, which, to a certain extent, hampered the further development of crude oil heating boilers in china, and concludes from experimental results that strain and the stress of circumference are fairly large near the edge of big - hole, and the cross ribs enhance strength of sealed head to a certain degree
油田火筒加熱爐密集大開孔封頭的設計計算，因沒有相應的強度計算標準在一定程度上限制了我國油田火筒加熱爐技術的發展.採用電阻應變測量技術，對新型火筒加熱爐大開孔封頭進行了應力應變試驗研究，得到了封頭的應變和應力分佈規律，給出了大開孔封頭允許的工作壓力.試驗結果表明，大孔邊緣圓周處應力應變較大，十字筋板對封頭有一定加強作用To the places of small reynolds numbers and high media viscosity, it is difficult to reach the demand that using orifice plate and nozzle, etc, to make the measurement. and the 1 / 4 orifice plate was specially designed for that
對于管道雷諾數很小或介質粘度高的場合，應用孔板或噴嘴等來測量很難達到要求，而這些裝置正是專為此而設計的。Natural gas is a kind of important chemical raw material and clean energy sources. the volume measurement of standard orifice is a major way in trade. instead of the mechanical measurement, the ddz instrument method is being widely used
作為重要的化工原料和清潔能源天然氣，在貿易交接過程中的計量目前以孔板差壓式流量計測量體積流量為主，測量方式正大規模地由機械式向電動單元組合式發展。Comparing with orifice flowmeter, it features simple structure, ease installation and maintenance as well as wide range
與孔板流量計相比，具有結構簡單，安裝、維護方便，測量范圍寬等特點。分享友人