滴重試驗 的英文怎麼說
中文拼音 [dīzhòngshìyàn]
滴重試驗
英文
drop weight test- 滴 : Ⅰ動詞(液體一點一點地向下落) drip Ⅱ名詞(一點一點地向下落的液體) drop; droplet Ⅲ量詞(用於滴下的液體的數量) drop
- 重 : 重Ⅰ名詞(重量; 分量) weight Ⅱ動詞(重視) lay [place put] stress on; place value upon; attach im...
- 試 : 名詞(古代占卜用的器具) astrolabe
- 驗 : 動詞1. (察看; 查考) examine; check; test 2. (產生預期的效果) prove effective; produce the expected result
- 試驗 : trial; experiment; test
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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。Controlled droplet combustion experimentation has led to the establishment of the following important facts and patterns.
受到控制的液滴燃燒試驗確定了下列重要事實和特性。Test method for interfacial tension of electrical insulating oils of petroleum origin against water by the drop - weight method
滴重法測定石油制電絕緣油耐水界面張力的試驗方法Analysis of experimental data indicates that there exist several following problems during the whole operation : first, the emission is serious and the density of hc and co smoke is very high at on and off period. second, there is oil dripping from the dripping vitta as a result of the fault of ignition system and combustion structure. the last, there might be accidents of disabled ignition resulted from the improper operation at the beginning
通過對樣機的試驗分析和研究表明,汽車空氣燃油加熱器在整個工作過程中,其排放存在以下三個問題:一、開機和關機兩個階段的排放問題嚴重,廢氣中hc和co的濃度值及煙度測量值都很高;二、因點火系統和燃燒結構的缺陷而導致開機后一段時間內有油滴從滴油管滴落;三、在點火過程中,會出現因操作不當而點火失效的現象。Bs of different dosages simultaneously inoculated rabbit with inactivated vaccines of rabbit hemorrhagic disease virus ( rhdv ). the hi liters of antibody against rdhv induced by rdhv inactivated vaccine in the group of high dosage bursin are higher than control group about 2 - 3 liters averagely. and the result of t - lymphocyte transformation assay shows that the bursin can temporarily enhance the t - lymphocyte transformation. the results of effects of bursin on body weight gain and feed conversion ration in rabbits show that bs can increase growth of mammal. the effect of bursin has a relation to its dosage, but has no ralation to the difference of interspecies and the method which come into the body
試驗中還發現, bs對雞體有一定的增重作用從而提高了飼料報酬。將不同劑量bs與兔瘟滅活苗同時免疫家兔,高劑量的dbs 、 cbs組可使兔瘟hi抗體水平較免疫對照組提高2 - 3個滴度。 t -淋巴細胞轉化試驗表明: bs可短暫促進t -淋巴細胞的活化。( l ) it is very important for the state repair of diesel enging in our country ; ( 2 ) it will help with the more accurate decicision of repair cycle of the engine ; ( 3 ) it will improve the combustion state of the diesel enging and will keep the oil comsume at a lower level, at the same time, it lessens the dilute of the lubricanting oill in the engine. there are still some more research work to do, for it is just the begining. the mathematic model should be made and more accurate data rule should be established
( 1 )為推行內燃機車狀態修做準備,這在跟蹤國際機車檢修先進技術上有著十分重要的意義; ( 2 )為更合理制定內燃機車的檢修周期提供實驗分析方法和數據,試驗數據作為每臺柴油機的技術資料被存儲,藉助計算機軟體系統可以輔助制定機車的檢修計劃,使機車的檢修工作更科學合理; ( 3 )提高機車質量,降低檢修費用; ( 4 )改善柴油機燃燒狀態,降低燃耗,節約運營成本,同時,可以減少燃油滴漏,降低滑油消耗。Test method for total iron in iron ores by the dichromate - free titrimetric method
用無重鉻酸鹽滴定分析法對鐵礦石中總鐵含量的試驗方法Aimed at some problems such as short spraying distance, electricity - leaking and reverse ionization among electrostatic nozzles existing in the country, a induction charging and pneumatic energy electrostatic nozzle was designed. the basic designing theories, structure and working process of this nozzles were theoretically specified in the paper. and then the atomization quality and charge performances of this nozzle and its affecting factors were studied by carrying out performance experiment and statistic analysis. result of the studies indicate : ( 1 ) some progress were made in solving the problems list above ; ( 2 ) from this nozzle, droplet were minute and uniform, and higher charge - mass ratio can be obtained under lower electrostatic voltage, thus the atomization quality and charge performance of this nozzle were both better ; ( 3 ) within the experiment extend, air pressure at 0. 2mpa, electrostatic voltage at 2400v were the most suitable parameters for the nozzle ; ( 4 ) the regression equations for describing droplet size, intensity of spray current and charge - mass ratio of this nozzle obtained from the experiment data had higher forecast precision ; ( 5 ) cross - effect of all factors were not significant, the atomization quality and charge performance were relative dependency affected by the factors
諸試驗因素中,充電電壓和噴孔直徑對霧滴荷質比均有極顯著的影響;氣體壓力和液體流量對霧滴荷質比的影響均不顯著;影響霧滴荷質比的主要因素依次為充電電壓和噴孔直徑; ( 8 )在300v 、 600v 、 1200y 、 1800y 、 2400v 、 3000v六種充電電壓t ,霧滴荷質比先隨充電電壓的增加而增大, 2400v后荷質比減小,推測:對于所研製的噴頭可能存在一個最佳充電電壓; ( 9 )由充電電壓和噴孔直徑的不同搭配所得霧滴荷質比不同這一結果,可看出,較大充電電壓需配備較大噴孔直徑以增強霧滴荷電效果; ( 10 ) td3 . 6和td3 . 4兩噴頭的霧滴荷質比曲線趨于重合,說明噴孔直徑大於滬3The hemolymph immune reaction of american cockroach to the entomopathogenic fungus, metarhizium anisopliae isolate cqma102, which is broadly used in locust control, was studied in the research. the results will enrich our knowledge about insect immune mechanism and the insecticidal mechanism of entomofungus. they will also be the fundamental work for insecticide development
本研究以重要的室內蜚蠊種類? ?美洲大蠊( periplanetaamericana )為實驗材料,採用蜚蠊的非致病菌? ?金龜子綠僵菌( metarhiziumanisopliae ) cqma102菌株作為供試菌,較系統地研究了綠僵菌孢子進入蜚蠊體腔后(點滴和注射處理) ,蜚蠊血淋巴某些理化性質的改變、血淋巴的免疫反應以及蜚蠊的行為反應等,有助為研究昆蟲的抗病機理和生物殺蟲劑的殺蟲機理,同時也為生物殺蟲劑的開發提供了必要的基礎。Sweet pepper leaves were dripped by 14c - glucose and 14c - sucrose, the tracer experi ment indicated : exogenous sugars could be translocated to every part of plant after being absorbed by leaf, but the centralized distribution to some exuberant organs in growth such as fruit, young stem and leaf, had no relation between organ dry weight and distributive amount ; the absorptivity of 14c - glucose by leaf was higher than that of 14c - sucrose
用含有14c標記的外源糖(葡萄糖和蔗糖)點滴青椒葉片,示蹤試驗表明:外源糖被葉片吸收后可運轉到植株的各個部位,但集中向果實,幼嫩的莖、葉等生長比較旺盛的庫性器官分配,其分配量與器官干重無關;青椒對外源葡萄糖的吸收率高於蔗糖。This paper reviewed the modeling and experiments of the transient phenomena involved in the various subsystems of the thermal spraying process at home and abroad, such as : effect of process on droplets behaviors, microstructure, residual stress analysis and spray materials, and based on experimental resuts to discuss the droplets thermal - transfer discipline and effects on coatings properties
摘要從熱噴塗工藝參數對塗層形成的影響、微觀組織及殘余應力分析和噴塗材料等幾方面對國內外熱噴塗塗層形成機理的研究進展進行綜述,重點綜述了工藝參數影響液滴行為的研究,並結合試驗探討了液滴的熱傳輸規律及對塗層最終性能的影響。Standard test method for evaluation of drop size by weight of solutions and suspensions
通過溶液和懸浮物的重量評價滴點尺寸的標準試驗方法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。Standard test methods for determination of iron in iron ores and related materials by dichromate titration
用重鉻酸鹽滴定法測定鐵礦石及有關材料中總含鐵量的標準試驗方法Standard test method for determination of iron in manganese ores by hydrogen sulfide reduction - dichromate titration
用硫化氫還原重鉻酸鹽滴定法測定錳礦石中鐵含量的標準試驗方法Test method for drop weight impact sensitivity of solid - phase hazardous materials
固態危險物的滴重沖擊敏感度的試驗方法( 2 ) testing equipment systems for the coupled movement of soil water, salt and heat transfer were developed, including horizontal, vertical and three - dimensional trickle ones. these systems used advanced non - destructive measurement methods for dynamic measuring of soil water, salt and heat, which provided important conditions for realizing dynamic measuring under certain conditions when temperature can be controlled
( 2 )研製了水平一維、垂直一維及滴灌三維等三類土壤水、鹽、熱耦合遷移試驗裝置系統,該系統在水、鹽、熱的量測技術方面均採用了非破損的先進測量手段,從而為實現各特定溫控試驗條件下的動態觀測提供了重要條件。分享友人