齒合子 的英文怎麼說
中文拼音 [chǐgězi]
齒合子
英文
clutch-
Dithiocarbamate [ s2cnr2 ( dtc ) ] and it ' s derivates were applied in chemistry 、 medical 、 petrochemical and other fields, it can coordinated with all kinds of transition metals, the anion of bidentate ligand also bridges two transition metals
摘要氨荒酸鹽[ s2cnr2 ( dtc ) ]及其衍生物早已廣泛應用於化學、醫學、石油化工等領域,它與所有的過渡金屬都可以進行配位,形成螯合物,雙齒的陰離子也可以作為橋鏈兩個過渡金屬的配體。Spikes 15 - 25cm long, single or paniculate, flowers white, dense ; calyx late - campanulate, 2mm long, 5 - toothed ; petals 5, oblong, 4mm long, slightly connate at base ; stamens 10, free ; slightly exserted ; ovary glabrous
穗狀花序長15 - 25厘米,單生或排成圓錐花序式,花白色,密集,花萼闊鐘狀,長2毫米,具5齒;花瓣5 ,長圓形,長4毫米,基部稍連合;雄蕊10枚,分離,略突出於花冠之外;子房無毛。In all those complexes, no matter which conformation ida assumes ( mer - or fac - style ), the two 0 atoms of 1n2o are both from carboxylic hydroxyl. however, by comparing the bond length, we can find that o ( 4 ) and o ( 2 ) atom is from different group in this complex, 0 ( 4 ) atom from carboxylic hydroxyl, whereas, 0 ( 2 ) from carboxylic carboxide
值得注意的是:在這個雙核配合物中,我們首次發現一種新穎的配位方式: ida上與金屬離子配位的三齒螯合原子是亞氨n原子、一個羧基上的羥基o原子和另外一個羧基上的羰基o原子。Roller chains and fitted cog wheels gearing - selection for aerospace use
滾子傳動鏈和配合的嵌齒輪傳動機構.航空航天用選擇Modification of profile for internal - meshing cycloid rotary compressor
內嚙合擺線轉子壓縮機齒型修正研究The material of this study is a new species - cardamine hupingshanesis, found by lin - hang liu and ke - ming liu professors of hunan normal university. its karyotype was analyzed and molecular evolutions of five species, c. hupingshanesis ( hup, about 1300m sea level ), c. griffithii ( gri, about 1500m sea level ), c. impatiens ( imp about 600m sea level ), c. hirsute ( hir, about 200m sea level ) and c. scutata ( scu, about 200m sea level ) were studied. on the basis of moiphological studies, phylogenetic trees were constructed by its sequences and then the phylogenetic relations of hup and four other species were discussed
本文以湖南師范大學劉林翰、劉克明老師發現的十字花科碎米薺屬( cardamine )一新種? ?壺瓶碎米薺( cardaminehupingshanesisl . h . liu , hup ,海拔1300m左右)為實驗材料,對其核型作初步分析;並結合該新種同屬同組(碎米薺組, sect . cardamine )但生長在海拔不同的四個種? ?大葉山芥碎米薺( cardarminegriffithii , gri ,海拔為1500m左右) 、彈裂碎米薺( cardamineimpatiens , imp ,海拔為600m左右) 、碎米薺( cardaminehirsute , hir ,海拔為200m左右)和圓齒碎米薺( cardaminescutata , scu ,海拔為200m左右)進行了分子系統學研究。The study of the compound gear rotator pump
型純水復合齒輪轉子泵的機理研究The three ligands are all coordinated in monodentate fashion. for ln1 and ln2 series, the compounds all crystallize in the triclinic, space group pi
空間群,均為單核分子,配體l均為單齒配位; ln1 、 ln2系列配合物屬於三斜晶系,Since the gear engagement is a common coupling form between rotors, the transfer matrix of skew gear engagement in global coordinate system is deduced based on the concept of coupling element
齒輪嚙合是轉子之間常見的一種耦合形式,根據耦合單元的概念,推導了在全局坐標系下斜齒輪嚙合的傳遞矩陣。Using a simple variation - fitting method , the exciton binding energies of a sawtooth - shaped quantum well are calculated as a function of an electric field , and the explanation of the results is also given
採用一種變分擬合的簡單方法計算了電場下鋸齒型多量子阱的激子結合能,對計算結果給出了合理的解釋3. the trapping characteristics of ordinary helical gear pump are lucubrated by theory for the first time, the theoretic relation of the gear rotor between the end overlap coefficient and trapping phenomenon is discussed respectively with clearence or without clearcence, and the relation of trapping volume with the rotational angle turn is also discussed. the selective range of the helical angle that can eliminate completely the trapping of helical gear pump is gained, which never appeared in literature before
首次對普通斜齒齒輪泵的困油特性進行深入的理論研究,分別討論了有側隙和無側隙時普通斜齒齒輪泵轉子的端面重合度與困油現象之間的理論關系,以及困油容積隨轉角的變化關系,得到了完全消除斜齒齒輪泵困油沖擊的螺旋角機械科學研究院博士學位論文的選擇范圍。The meshing efficiency of the drive is studied and analyzed in theory. the different formulas for meshing efficiency of drive are introduced on different conditions when stator or worm is fixed respectively
從理論上研究分析了滾錐齒超環面行星蝸桿傳動的嚙合效率,推出了在定子固定和蝸桿固定兩種情況下滾錐齒超環面行星蝸桿傳動嚙合效率的計算公式。Molecular phylogenetid tree is constructed by nj and mp method of mage2. 0. the classed result of rhabdosargus, taius and sparus is in consistent with that of morphology, while p. major, e. japonica and a. spinifer assemble one branch in nj molecular phylogenetid tree, p. major and e. japonica assemble one branch in mp molecular phylogenetid tree, which is different with the traditional viewpoint that classing the three strains for different category
用mega2 . 0軟體中的nj法和mp法構建分子系統樹,其中黃鯛屬、平鯛屬和鯛屬分類的結果與形態分類學的觀點相吻合;而在nj分子系統樹中,犁齒鯛、真鯛和高背四長棘鯛聚成一支,在mp分子系統樹中,犁齒鯛和真鯛聚成一支,這與傳統分類學上把這三種鯛歸為三個不同屬的觀點不一致。So the characteristics and the phenomenons of ordinary helical gear pump and the polymer gear pump are researched by theory in this paper, and the new profile of the rotor of polymer gear pump is brought forward, which is very important to the academic development and actual application of the gear pump technology
為了改變這種局面,本文對普通斜齒齒輪泵和聚合物齒輪泵的特性均進行了深入的理論研究,並提出了聚合物齒輪泵轉子新的齒形,對于齒輪泵技術的理論發展和實際應用均具有重要的意義。The study of the two - teeth gear pump
復合齒輪轉子泵的機理研究Mechanical commutation ( graphite or precious metal brushes ), highest efficiency, low inductance, low electromagnetic interference, multiple combination possibilities with gears, feedback devices and control electronics
機械換向器(石墨和金屬電刷) ,高效率,小電感,電磁干擾小,能與多種齒輪箱,反饋設備和控制電子元件配合使用。They are all centrosymmetry molecules. there exists three coordination modes for ligand l : chelating, monodentate, bridging. the length of each molecule is almost 4 run
空間群,中心對稱結構,配體l有三種配位方式:螯合、橋連、單齒,分子長度將近4個納米。Toothing of chain wheels for roller chains as specified in din 8187 and din 8188 ; profile dimensions
按din8187和din8188規定的滾子鏈用鏈輪的嚙合.齒型In the design, gear and spline were adopted, so symmetrical movement of ( collimator ’ s ) lead gates can be achieved easily, mechanical structure became more compact. worm was adopted to adjust mirrors accurately, and deflection of mirrors can be prevented in case of the external impacts or vibrations
採用齒輪齒條結構,實現鉛門的對稱開合運動,使子系統的機械結構更為緊湊,同時提高了定位精度;採用蝸輪蝸桿調解反光鏡的角度,可以使反光鏡的調節更精確,同時可以防止在外界振動或撞擊下反光鏡發生偏轉。The strong shear cut and grinding force of hlgb horizontal stirring grinding machine is used to the surface of the moderate supersonic carbon and the fusion particles of the cao & sio2 in this paper. the result of xps indicated that the si - c bond is detected on the surface of the particles. the high melting point superfine sic and caco3 are produced on the surface of cao & sio2, and composite particles are formed
本論文利用hlgb臥式雙向旋轉攪拌球磨設備,通過正反轉攪拌齒及研磨珠工作時產生的強烈的剪切、研磨機械力持續作用於cao sio _ 2熔融顆粒及中超碳黑顆粒表面, xps檢測表明,顆粒表面有si - c及ca - co鍵生成,根據機械化學理論是由於機械力的作用,誘發利用熱能難以進行的機械化學反應,在cao sio _ 2熔融顆粒表面生成了sic及caco _ 3新物質,構成包覆型復合粒子。分享友人