compound addition 中文意思是什麼

compound addition 解釋
[subtraction] 復名數加[減]算。

  • compound : vt 1 使混合，調合，配合；【語言學】復合，合成。2 （通過互相讓步等）解決（糾紛）；用錢了結（債務等...
  • addition : n. 1. 附加，追加；附加物。2. 【數學】加法，加算。3. 【法律】（加在姓名后的）頭銜，官銜；稱號。4. （建築物的）附加部分。
  1. In addition to avermectins, s. avermitilis produces oligomycin, a strongly toxic compound. gene deletion vector pxl05 was used to disrupt oligomycin polyketide synthase ( pks ) encoding genes ( olma ) in streptomyces avermitilis cz8 - 73, the producer of anthelmintic avermectins b and the cell growth inhibitor oligomycin. olma gene cluster in the chromosome was displaced by deletion allele on the plasmid via double crossover

    本研究以產阿維菌素b和寡黴素的阿維鏈黴菌cz8 - 73為出發菌株，構建了基因缺失載體pxl05 ，並將其轉入cz8 - 73中，通過缺失載體和染色體之間的同源雙交換，對染色體上長達90kb的寡黴素聚酮合酶（ pks ）基因簇（ olma ）進行了缺失。
  2. Using bf3 - et2o as a catalyst, the title compound was synthesized from allyl alcohol and epichlorohydrin by a series reaction included addition and cyclization

    烯丙醇和環氧氯丙烷在三氟化硼乙醚絡合物的催化作用下進行加成和環化反應制得標題化合物。
  3. Because the reactive alloying addition ce react with si in molten al - si and form stable compound cessis. therefore, when ce is 0. 3 % and 0. 9 % can improve the wetting most significantly of al - sicp system and al - si - sicp system respectively

    所以稀土ce的添加量分別為0 . 3和0 . 9時，對sicp al復合材料、 sicp al - si復合武漢科技大學碩士論文摘要材料的力學性能和潤濕性改善程度最大。
  4. Through checking computations, it was shown that the analogue accuracy of the model was quite high, which can provide important basis for scientific decision - making on engineering measures. through analogue calculation and analysis of many regulation schemes, it was shown that combining the diversion weir works with the bed fixing works at the south branch is reasonable and feasible in the implementation of loushuikouzi river regulation works. in addition, it is suggested that the bed fixing works at the south branch should adopt the improved compound section scheme

    經對多個整治方案的模擬計算與分析，表明漏水口子河道整治採用分流魚嘴工程和南汊固床工程相結合的整治工程措施是合理可行的，通過模型計算研究還提出了南汊固床工程採用復式斷面形式的改進方案建議，該方案保證了南汊枯期通航和不斷流，而且對南汊及撫遠鎮的保護具有正面作用。
  5. Apart from the addition and upgrading of teaching facilities, opportunity has been taken to enhance accessibility to the schools by providing ramps, toilets for persons with a disability and lift towers with footbridges linking the overall school compound as far as practicable

    除添置教學設備外，亦加強照顧殘疾人仕，包括興建斜道、為殘疾人仕設計的廁所，升降機及連接校舍的天橋。
  6. Preparation process of colloidal silica coating and compound shell making technology are introduced. in addition, the application results has been analyzed briefly

    介紹硅溶膠塗料的配製過程及復合制殼工藝，對使用結果作了簡要分析。
  7. In addition to iodide and iodate, another iodine compound could be separated and detected in certain samples with high total iodine concentrations and was identified as elemental iodine, probably in form of triiodide, by peak matching

    在碘化合物總濃度很高的特定樣品中，除了碘化物和碘酸鹽，其他的碘化合物也可以被分離和檢測，其通過峰匹配以三碘化物形式被做為元素碘檢出。
  8. Abstract : benzotriazole is a good corrosion preventive compound that can reacts with aldehyde and alcohol. the addition reaction is used to synthesize eight alkoxyalkyl benzotriazoles by benzotriazole, propionaldehyde and methanol, ethanol, propanol, iso - propyl alcohol, n - but anol, iso - butanol, sec - butanol, tert - butanol. their structures were confirmed by elemental analysis, ir and 1hnmr. the mechanism of addition reaction was discussed

    文摘:利用苯駢三氮唑、丙醛分別和甲醇、乙醇、丙醇- 1 、丙醇- 2 、丁醇- 1 、丁醇- 2 、 2 -甲基丙醇- 1 、 2 -甲基丁醇- 2反應合成了八種烷氧基烷基苯駢三氮唑，通過元素分析、 ir 、 1hnmr對上述化合物的結構進行了測定，並討論了這類加成反應的歷程。
  9. In addition, we enhance the efficiency of development processes by preventing product problems before they occur, such as through combining compound parts using 3d data and checking the operational interference and inset adjustment of machine parts, the amount of clearance of attached parts, etc

    同時，通過各組件在3d數據上的模擬整合，檢查機械構件等的動作干涉，調整部件的嵌合度，檢查部件的空隙等，將產品可能出現的故障防範于未然，提高開發工作的效率。
  10. 3. xrd results of ni - w - b and ni - w - b - ptfe alloy deposits obtained from the stated plating solution and condition showed that their structure were in nanocrystalline or amorphous, and the addition of boron compound and ptfe in deposits expedited them in amorphous structure. the microhardness of ni - w - b and ni - w - b - ptfe alloy were higher than that of ni - w alloy deposits

    在所述鍍液組成和沉積條件下， xjid實驗結果顯示所獲得的nlwb合金電沉積層及其復合鍍層表現為納米晶或非晶態結構，鍍層中含b物質和pite的加入加劇了鍍層結構的非晶化。
  11. Ternary compound bnxpi - x films of quality are deposited and the ultraviolet absorbance characteristics of bnxp, - x films were investigated in the thesis, too. with the quantity of phosphorus dopant, the optical bandgap modulation of bnxpi is achieved successfully. in addition, the combined intensity of bnxp, - x films and substrates was enhanced by depositing the buffer layer

    實驗採用磷對氮化硼進行摻雜，成功地在光學石英玻璃襯底上沉積了磷摻雜氮化硼（ bn _ xp _ （ 1 - x ） ）薄膜，研究了該薄膜的紫外光敏特性，其吸收邊在240nm 400nm的紫外波段內可以連續變化，同時也實現了對氮化硼光學帶隙在3 . 8ev 5 . 3ev范圍內的連續可控調制。
  12. This machine adopts japanese pro - face touch screen and mitsubishi plc control technology. in addition, it is set with automatic gear - shifting vacuum gauge, a three - flow controller, side - installed heating tube, computer pid automatic temperature control, and two sets of flat magnetic controlled target, contra - variant magnetic - controlled power source, and contra - variant bias power with easy operation and top grade film layer. they are widely used in decorative film layer, and compound film layer in plating

    該設備採用日本pro - face觸摸屏和三菱plc集中控制裝有電腦自動換檔真空計，三路流量控制器，邊裝式加熱管，電腦pid自動控溫，配備兩套邊裝式平面磁控靶，逆變式磁控電源和逆變式偏壓電源，操作簡單，膜層細膩，廣泛適用於鍍制各種裝飾膜層和復合膜層。
  13. This machine adopts japanese pro - face touch screen and mitsubishi plc control technology. in addition, it is set with automatic gear - shifting vacuum gauge, a two - flow controller, side - installed heating tube, computer pid automatic temperature control, and 32 sets contra - variant arc power supply and contra - variant bias power. they are widely used in plating different thick film layers of mono - metal and many compound film layers

    該設備採用日本pro - face觸摸屏和三菱plc集中控制裝有電腦自動換檔真空計，兩路流量控制器，邊裝式加熱管，電腦pid自動控溫，配備32隻逆變式弧電源和逆變偏壓，適用於鍍制各種特種單金屬厚膜層或多鐘金屬復合膜層。
  14. Abstract : by adding into concrete batch with greater proportion of active fine additive and pumping agent, reacted to the compound impact of the two substances, concrete workability, durability and strength could be improved. in addition, pumping - suitability of low strength concrete may be improved as well

    文摘:將大摻量活性細摻料和泵送劑加入混凝土拌合物中，兩者的復合作用下，可使混凝土的工作性、耐久性，強度得到改善，並提高低強混凝土的可泵性。
  15. Abstract : the basic synthesis process parameters of water reducing agent of melamune series was studied. the factors affecting hydroxymethylation, stlfonation, low - ph condensation, and high - ph condensation were thoroughly studied. from that, the good conditions for every stages were determined. by addition of compound additives made of some cheap components, the production cost of melamine water reducing agent was greatly decreased so that the spread and application value was increased

    文摘:研究了三聚氰胺系列減水劑的基本合成工藝，考察了各種因素對羥甲基化階段、磺化階段、縮聚階段的影響，確定了各階段的最佳工藝條件，通過加入一些廉價組分製成復合型減水劑，使得三聚氰胺系列減水劑的生產成本大幅度降低，提高了產品的推廣應用價值
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