有環孔的 的英文怎麼說
中文拼音 [yǒuhuánkǒngde]
有環孔的
英文
ring porous-
Examination shows that the heart of andrias davidianus have three chamers - two atria and one ventride, the atria on the left of midline, the ventricle on the right of midline, and the atria are divided into two cavities by septum interatriale. there are four valvula semilunaris in conus arteriosus, but no spiral valve in conus arteriosus. the coronary artery is made by arterica carotis externa branches
研究結果表明,中國大鯢循環系統解剖學特點為: 1 .心臟:心房心室為左右排列,兩心房前後排列,共有4對動脈弓,其中第二、三對動脈弓匯合成一條背主動脈;動脈圓錐基部與心室相接處有4個瓣膜,動脈圓錐內沒有螺旋瓣,動脈圓錐與腹側主動脈干之間有3個半月瓣;房間隔有穿孔;冠狀動脈由頸外動脈的分支匯合而成。Cyclic pressing is a new kind of densification processing, which is introduced to densify as - deposited ring of al - 20 % si / sicp. this paper includes the densification result and rule of this technics. the research shows that this technics can be successfully used to densify spray - forming porous material and can be availably adopted to improve mechanical performance and microstructure. this technics is characterized by simple equipment 、 small expense and flexible process, and these characters will make it come true to producing spray - deposited rings less costly
本文採用一種新型緻密化工藝?楔壓工藝?對噴射沉積al - 20 % si / sicp大環進行了緻密化加工,採用密度硬度分佈、抗拉強度變化和檢測顯微組織變化的實驗研究方法對其緻密化效果及該工藝規律進行了研究,通過研究表明了楔壓工藝可以成功地用來緻密化噴射沉積多孔材料,該工藝有效地提高了噴射沉積大環件的緻密度和抗拉強度並改善了組織。When the solvent was pure 1, 4 - dioxane foams showed ladder - like structure and calcium phosphate besetted in the plla pore wall and has good combination. the size of conglomeration is only l ~ 5 m
溶劑為極性較小的純1 , 4一二氧六環時,材料具有梯狀的孔結構,鈣磷酸鹽鑲嵌在plla孔壁中,與pla結合情況較好,分散均勻,尺寸在1一5林m 。Assemblage ) represented the coastal shallow - water environment ; factor 2 ( protelphidium tuberculatum assemblage ) represented the alongshore cold - water current area or cold shallow sea environment ; factor 3 ( elphidium magellanicum assemblage ) represented the sh allow sea ( < 20 - 30m depth ) deposit ; factor 4 ( ammonia ketienziensis assemblage ) represented the shallow - sea water more than 50m depth ; and factor 5 ( buccella frigida assemblage ) represented the colder - water sea environment ; and the distribution of factor load accorded with the character of benthic foraminifer community
Q型因子分析揭示ey02 - 2孔5種有孔蟲組合,分別對應濱岸鹽沼環境、黃海沿岸流冷水分佈區、高潮坪淺海沉積環境、水深大於50m的現代淺海環境及較冷的沉積環境。因子載荷的分佈與有孔蟲群落特徵吻合較好。南黃海有孔蟲含量? ?水深轉換函數關系式有一定的局限性,並不能在南黃海陸架地區推廣使用。The investigation of a lot of parameters about treated sandstone, brick materials and earthen materials with fluorited polymers has been carried out, such as the formation of polymer, the penetration depth, porosity, capillary absorption and penetration coefficient, water uptake, compressive strength, drilling resistance, absorption isotherms of water vapor, water vapor diffusion, color changes as well as resistance to desegregation of water, frizzing - throwing cycles, worming - cooling cycles, and so on. in addition, the influence of salt crystallization, acid and base, and uv aging have also been assessed in order to better understand the protection effects and utilization possibility of two fluorinated polymers, mainly according to astm standard and the combination of international methods together with general technological
分別以國家級文物保護單位的土質、砂巖和磚材文物樣品為對象,依據astm標準及國際通用文物保護研究方法與評估準則相結合,通過膠化物形成周期、滲透深度、孔隙度、毛細吸水和滲透系數、持水量、抗壓強度、抗鉆強度、吸附水蒸氣的能力、透氣性、外觀顏色等系列參數的測定,及凍融、冷熱循環、酸堿腐蝕后抗壓強度的衰減、可溶鹽對保護效果的影響、酸堿及光照對表面保護效果的影響,對兩種含氟聚合物及其與有機硅的共混物在文物加固保護和表面防護中的可行性和保護效果給予了系統研究。As a kind of special industrial raw materials, porous minerals and rocks have been playing more and more important roles in the environmental remediation materials and are arousing great interest among mineralogists
摘要具有多孔結構的礦物(巖石)作為一類特殊的工業原材料,在環境修復領域的應用前景正在成為研究熱點。Ceviar living cells, which undergo devision 200 times faster than normal cells, contain a great variety of activated factors that stimulate fission of both organism and cells, and regeneration of cells, improving micro circulation and supply of nutrients, reducing melanin, and thus growing vitality and skin springiness, resulting from less wrinkles and shrinking pores
魚子活細胞有旺盛的生命力,它的細胞分裂頻率比成熟細胞強200倍,內含多種活性因子,可啟動人體組織細胞的分裂和活化,刺激老化細胞更新再生,改善微循環,淡化黑色素,其高分子蛋白質有效的補充人體細胞和皮膚細胞的養份,增強機體活力和皮膚的彈性,修護鞏固基底層細胞組織達到去除皺紋、收緊毛孔、提升皮膚的顯著美容效果。Aminated and hydroxylated polysulfone membranes were prepared by amination and hydroxylation reaction, respectively. then bovine albumin ( bsa ) - fixed membranes were obtained by crossed - linking albumin into porous membrane with 1, 1 ' - carbonyldiimidazole and bisoxirane reagents, respectively. a mathematical model for facilitated transport in asymmetric membranes with fixed site carriers was derived by assuming an instantaneous, microscopic concentraion fluctuation in the membrane
以氯甲基聚碸為基材,通過相轉化法制備出具有底部貫通孔的非對稱膜,通過胺化和羥基化反應,分別制得胺化聚碸膜和羥基化聚碸膜,再採用羰基二咪唑和雙環氧烷兩種活化試劑對其進行活化,將牛血清白蛋白固載在膜內,獲得固定白蛋白促進傳遞膜。3 environment factors have some effects on photosynthetic rate, transpiration rate and stomatal conductance, and the effects show difference with changing species and treatments
3 、環境因子對四物種的光合速率、蒸騰速率和氣孔傳導力均有一定的影響,隨著種和水分梯度的不同,表現出不同的影響差異。Measurements for the following anatomical structures were obtained with the aid of a microscope, the distance between mastoid process and transverse process of the atlas, occipital condyle, and superior lateral loop ; the distances between the midline and the v3 at three levels : 1 ) the distal ( dural ) ring ; 2 ) the intersection with the anterior ramus of the c - 2 ; and 3 ) the upper level of the transverse foramen of the atlas ; the diameter of v3h at the origin of the muscular artery and at the sites of penetrating the dural ring ; the width of the v3 at the intersection with the anterior ramus of the c - 2 and at the sites of penetrating the transverse foramen of the atlas
V _ 3h和v _ 3v各有兩個分支: v _ 3h分出肌動脈支和腦膜后動脈支; v _ 3v分出肌動脈支和根肌動脈支,第一、二脊神經發出的前後支分別與它們又毗鄰關系。通過手術顯微鏡測量下述解剖結構:乳突尖與環椎橫突尖、枕髁外側緣、 v _ 3上外側袢的距離;椎動脈v _ 3段在穿硬膜環、與第二頸神經前支交叉、環椎橫突孔上緣三處與中線的距離; v _ 3h在發出肌支處和穿硬膜天渾醫科大學碩士研究主學位論文環處的直徑; v3v在與第二頸神經前支交叉處和穿環椎橫突孔處的直徑。It is found that starch microgel has microporous network structure and environmental responsiveness, moreover, its volume phase transition temperature ( tc ) is around 37, which are researched by the characterization of tem, dls, light refraction and other techniques. so, starch microgel with those advantages can be expected to use as a targeting drug carrier
藉助透射電鏡、動態光散射、光折射等技術的表徵,發現所制備的澱粉微凝膠具有微孔網路結構和環境敏感性,而且相體積轉變溫度( t _ c )約37 ,所制澱粉微凝膠的這些優越性可望作為靶向藥物載體。The cyclocytic stomata is emphasized as a distinct characteristic in all genera of marattiales, and considered as an important character of classification and systimatics in the order level
需要指出的是觀音座蓮目的全部6屬植物均具環列型的氣孔器,這表明該特徵在目一級水平上具有重要的分類學及系統學意義。The grafted membranes were capable of rejecting an anionic dyestuff. in common with other polyelectrolytes, the conformation of grafted ampsa polymeric chains is sensitive to environmental factors such as ph and ionic strength ( i )
聚丙烯酰胺基甲基丙磺酸為高分子電解質,接枝在膜表面后高分子鏈與溶質分子相互作用,可使接枝鏈構象發生變化,從而改變膜孔徑的大小,使膜具有環境響應。Dilution and dispersion in constant horizontal flow and bottom multi - port discharging was studied in accordance with the hydraulic model test. the influence of diffusion parameters ( jet angle, jet velocity, number of nozzle, riser space ) and environmental parameters ( water depth, water velocity ) on dilution were analyzed. the experimental results show that environmental parameters have prominent effects on wastewater dilution and dispersion, in addition to that, diffuser design parameters have significant influence on wastewater dilution and dispersion. for bailonggang outfall zone, jet angel is 10 or so, nozzle number is 16 or so
藉助於人工模型試驗,分析了恆定橫流底部多孔排放時擴散器設計參數(射流角度、射流速度、噴口個數) 、上升管間距)及環境參數(環境水深、環境流速)對污水近區稀釋擴散效果的影響,實驗結果表明,除了環境條件對污水稀釋擴散效果影響明顯之外,擴散器設計參數對污水的近區稀釋擴散也有顯著的影響,針對白龍港排放口水域,噴口射流角度宜控制在10左右,噴口個數取16個Ir - ta - ti metal oxide coated titanium anodes of variable composition were prepared by thermal decomposition. their micro morphorogies and electrochemical properties were characterized by scanning electron microscope, open circuit potential, cyclic voltammetry, consumption rate measurements and accelerated life test. the sem results indicated that all coatings were of a porous and cracked - mud microstructure influenced greatly by the composition of coatings. the electrochemical measurements showed that the ir - ta - ti ternary oxide - coated anodes exhibited excellent electrochemical activity and electrochemical stability in both acidic media and seawater which were affected by the composition and microstructure of the coatings. owing to good corrosion resistance and low consumption rate in seawater, metal oxde coated anodes belong to insoluble material, and can be potentially applid in impressed current cathodic protection systems as an anode
採用熱分解方法在鈦基體上制備銥鉭鈦金屬氧化物陽極,用掃描電鏡對陽極塗層顯微形貌進行分析,通過強化電解壽命試驗、開路電位測試、消耗率試驗及循環伏安曲線研究了金屬氧化物陽極的電化學性能. sem分析結果表明銥鉭鈦金屬氧化物陽極塗層呈現多孔多裂紋形貌結構.隨陽極塗層組成不同,塗層顯微形貌表現出很大差異,這種差異直接影響陽極電化學性能.電化學性能試驗結果表明銥鉭鈦金屬氧化物陽極在酸性介質和海水中具有良好的電化學穩定性和電化學活性.此外,銥鉭鈦金屬氧化物陽極在海水中的消耗率很低,屬于不溶性的陽極材料,作為外加電流陰極保護用輔助陽極具有廣泛的應用前景A solid - liquid fluidized bed has been designed and installed, which will be used in the heat exchanging and descale field. the experimental study for distributor design was carried out and the particles distribution in the tubes of the solid - liquid fluidized bed under different operating conditions was studied by using the ccd measure system. experimental results show that heterogeneous pores distributor which was arranged in the inlet chamber of the solid - liquid fluidized bed can improve the nonuniform distribution of particles in the pipe bundle under high flow rate. the nonuniform decreases by decreasing the mount of pore, but the solid holdup decreases too. the particles distribution is influenced by the position of the heterogeneous pores distributor
實驗結果表明:在液固循環流化床進口段安裝可調節高度的變孔徑分佈板,能在較高的流速下,較好的改善固體顆粒在管束中的不均勻分佈;開孔率越小固體顆粒在管束中的分佈越均勻,但管束中粒子的平均固含率也越小;分佈板的安裝高度對顆粒的分佈有很大的影響,在實驗范圍內分佈板的安裝距離管束入口處越遠,顆粒在管束中的分佈越均勻。The results showed that its yield was inversely proportional to the concentration of - amylase and reaction time when the maize starch was hydrolyzed by - amylase ; the granular maize starch was converted into hollow - porous starch by ct - amylase, furthermore it was cracked to the fragments, it was discovered that there were laminated growth ring structure inside starch granular shown on such cracked granular fragments ; the crystallinity of maize starch granule can not he increased by the enzyme hydrolysis ; the thermodynamic stability of the product was reduced when the hydrolysis time was long
檢測結果表明, -澱粉酶催化水解玉米澱粉時,其收率與酶的濃度和反應時間成反比;顆粒狀玉米澱粉發生酶催化水解時, -澱粉酶首先使澱粉形成多孔狀結構,並進一步使顆粒破裂,斷裂的顆粒碎片上顯示出澱粉顆粒內部具有層狀的生長環結構;酶催化水解不能提高玉米澱粉顆粒的結晶度;酶解時間較長時,產品的熱穩定性降低。On the basis of analyzing the rock mechanics, the bit working circumstance and property in the bottom hole of 6000m deep well, and making use of the former equipment such as a derrick, platforms etc, the paper demonstrates that the research and design of the mechanical device have been established including the high pressure simulating well bore, the high pressure connector between the static well bore and the rotating drill pipe, the high pressure simulating system of circulating fluid and the high pressure desander etc. the produce, control and dynamic analysis of the bottom hole four - dimensional pressure ( over burden, confined, pore and column pressure ) have been studied
本文在對井底巖石的受力狀態以及鉆頭的工作環境和特性加以分析的基礎上,藉助原有的井架、平臺等設備,研究設計了模擬6000米井底壓力壞境的高壓模擬井筒、鉆柱高壓轉聯器、鉆井液高壓模擬系統以及高壓除砂器等機械裝置,並研究了井底四維模擬壓力(上覆壓、圍壓、孔隙壓和液柱壓)的產生、控制及其控制的建模與模擬,從而實現井深至6000米的四維井底壓力環境的模擬。The molecular sieve 4a produced by our factory refers to natrium of model a crystal structure, which can absorb critical molecule no more bigger than 4a. it is mainly used for dehydration of airtight gas or liquid in static state. it is used as static dessicant for household frozen system, pharmacy packaging, motor aircondition, electrical parts and chemical products easily to degenerate and used as dehydrating agent for dope plastic system
高效除味劑是一種多孔的含碳物質,其發達的空隙結構使它具有很大的表面積,還有更細小的孔-毛細管,具有很強吸附能力,無污染,無毒副作用,無任何化學添加劑,對人體無害,是天然環保產品。Some earrings are designed for those whose ears aren ' t pierced
有些耳環是為耳朵沒有穿孔的人而設計的分享友人