reducers 中文意思是什麼

reducers 解釋
變徑段
  1. Evaluation procedure for oilwell cement friction reducers

    油井水泥減阻劑評價方法
  2. We specialize in manufacturing ud ( l ) series planet cone - disk speed variator, rv series worm gearbox, wj series cast iron worm gearbox, g series helical geared motor & other helical speed reducers, kg series aluminum worm gearbox, y2 series ( ip54 ) electrical motor, x b jxj series cycloid pin wheel reducer, all kinds of combination and their related parts

    專業生產ud ( l )系列行星錐盤無級變速機, rv系列蝸輪蝸桿減速機, wj系列鑄鐵蝸輪蝸桿減速機, g系列斜齒輪減速機及其它斜齒輪減速機, kg系列鋁合金蝸輪蝸桿減速機, y2系列( ip54 )三相異步電機, x b jxj系列擺線針輪減速機,各種組合變速機及各種配件。
  3. Results showed that in the water body of xizi lake, annual average of culturable planktonic ammonifiers and nitrogen fixers were 510 and 236 cfu / ml, respectively ; ammonia oxidizers, nitrite oxidizers, nitrate reducers and denitrifiers were 8. 5, 16, 587 and 16 mpn / ml, respectively ; inorganic phosphate solubilizing bacteria ( 1pb ) and organic phosphorus mineralizing bacteria ( opb ) were 89 cfu / ml and 37 mpn / ml, aerobic and anaerobic cellulose decomposers were 7 and 5 mpn / ml, respectively

    水體中可培養異養細菌(氨化細菌)和固氮菌的年平均值分別為510和236cfu ml ,氨氧化細菌、亞硝酸氧化細菌、硝酸鹽還原菌和脫氮菌的數量分別為8 . 5 、 16 、 587和16mpn ml ;無機磷和有機磷分解菌分別為89cfu ml和37mpn ml ;好氧性纖維素分解菌和厭氧性纖維素分解菌只有7和5mpn ml 。
  4. Identification of functional bacteria showed predominant ammonifiers were shewanella, variovorax, chryseobacterium, bacillus or aeromonas ; among 4 selected nitrogen fixers, one ( azorhizobium caulinodans ) belonged to. a - proteobacteria, the other three ( serratia marcescens, klebsiella pneumoniae and citrobacter freundii ) were enterobacteriace, which belongs to - proteobacteria ; 2 nitrate reducers were aeromonas sp. and citrobacter sp.,

    對各功能菌群中的優勢菌的鑒定表明,優勢的氨化細菌為希瓦氏菌屬,產堿菌屬,黃桿菌屬,芽孢桿菌屬或氣單胞菌屬;分離到的4個優勢固氮細菌菌株中,一株為基瘤固氮根瘤菌,屬于-變形菌亞門,而另外3株都屬于腸桿菌科,歸于-變形菌亞門。
  5. German manufacturer of safety and control valves, pressure reducers as well as fittings and related equipment

    -製造「白湖」牌閘閥截止閥止回閥蝶閥球閥排污閥軟密封閘閥。
  6. Based on testing and analyzing the relative results of the gear reducers ' standard or the problems emerging in chinese coalmine and the same products in other nations, proposed effect of different thermal radiation on the thermal power of gear reducer, gave effective thermal radiation measures in different case when designing and selecting the big power reducer, to ensure the thermal power of gear reducer increasing

    摘要通過對我國現行減速器行業標準及煤炭行業生產現狀與國外同類減速器的對比分析,提出了不同散熱方式對減速器熱功率的影響,給出了在設計和選用大功率減速器時,針對不同的工況所應採取的有效散熱方法,保證減速器熱功率的有效提高,最大限度地發揮和使用設計機械功率。
  7. Dqj point - line meshing gear reducers

    Dqj點線嚙合齒輪減速器
  8. Valves for food and chemical industries - stainless steel fittings - tees, bends, reducers for welding - on

    食品和化學工業用閥門.不銹鋼配件.焊合三通彎頭和
  9. Xh, xb series high power gear units is a brand - new model of rigid tooth flank gear reducers with wide application areas, which has the feature of large torque range, a design of unit structure modulization capable of horizontal mounting and vertical mounting, three kinds of output shafts - solid shaft, hollow shaft and hollow shaft with shrink disk

    Xh xb斜傘系列大功率減速機xh xb斜傘系列大功率減速機是全新型硬面減速機,具有大轉矩范圍,採用單元結構模塊化設計可臥式安裝也可立式安裝。有實心軸空心軸和收縮盤空心軸輸出。
  10. Auxiliary ventilation for mining ; flanged sheet metal reducers

    礦井輔助通風設備.帶法蘭的薄金屬板制異徑接頭
  11. Auxiliary ventilation for mining ; sheet metal reducers with flange and shoulder

    礦井輔助通風設備.帶法蘭和凸緣的薄金屬板制異徑接頭
  12. Non - soldering compression fittings ; reducers ; type a and b

    非焊接壓縮管接頭.漸縮管. a型和b型
  13. Non - soldering compression fittings ; reducers ; type c and d

    非焊接壓縮管接頭.漸縮管. c型和d型
  14. The archaea contain many organisms of extreme environments, such as hydrothermal vents, hot springs, saline sediments, volcanic craters and boiling muds. they include methane - generating organ - isms ( methanogens ), sulfate reducers, and extremophiles

    古細菌包括許多生長在極端環境中的有機體,如高熱溫泉口,高鹽沉積地區,火山噴發處,沸騰的巖漿中等的生物有機體,還包括產甲烷菌等。
  15. The synthesis and current application situations of efficient series of water - reducers, such as melamines, aliphatics, aminosul - phonic acids and polycarboxylates were introduced emphatically

    並著重介紹三聚氰胺系、脂肪族、氨基磺酸系和聚羧酸系等幾類高效減水劑的合成及應用現狀。
  16. Of these, we can identify anoxygenic phototrophs, sulphate reducers and methanogens

    從這些裏面,我們可以辨認出無氧光合自營菌,硫酸鹽還原菌,以及硝化細菌
  17. D type reducers for cement mill

    水泥磨用d型減速器
  18. Workability - design of fresh concrete was studied from rheology aspect. mortar slump flow test was further developed to evaluate properties of water - reducers and compatibility between cement and water - reducer for mortar. a method for measuring water absorbed by coarse aggregate in fresh concrete was put forward

    從流變學角度對新拌混凝土工作性進行了以下研究:進一步完善了砂漿坍落擴展度試驗方法,用於測評砂漿中減水劑飽和摻量及水泥對外加劑的適應性。
  19. Measures for further developing concrete mix design were presented based on above work. for example, adopts pfca as an index in designing durability of concrete, uses mortar slump flow test to select cements and water - reducers and to measure saturation dosage of water - reducer in mortar and then determine optimum dosage of it in concrete, uses bar - slump test to determine stability and fluidity of fresh concrete, and consequently, the workability of high fluidity and high stability concrete such as pumped or self - compacting concrete can be designed by adopting proper cfvm determined in terms of rheological properties of designed mortar measured with cone - based rheometer

    如採用粗集料破碎率作為耐久性設計的一個指標;採用砂漿坍落擴展度試驗選擇水泥和減水劑,確定砂漿中減水劑的飽和摻量,並通過上述數學模計算混凝土中減水劑的飽和摻量,以此為參照確定最佳摻量;採用障礙坍落度試驗確混凝土的穩定性和流動性,結合由漏斗式砂漿流變儀測定的砂漿流變性能確定合理的砂漿填充系數,從而實現對高流動性高穩定性要求的混凝土(如泵送和免振自密實等)的工作性設計。
  20. Reducers and worm gear sets can also be made

    減速器及蝸桿副。
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