pb-as 中文意思是什麼

pb-as 解釋
鉛合金
  • pb : 1 〈拉丁語〉 Pharmacopoeia Britannica 《英國藥典》 (=British Phamacopoeia)。2 Prayer Book 【宗...
  • as : adv (同…)一樣…;同樣〈在此是指 as… as… 結構中的第一個 as 它在主句中為指示副詞,第二個 as (在子...
  1. Tb substitution of pb induces lattice aberrance. this not only lowers the crystallization ability, butalowers the tetragonality of the powders as well

    研究發現pt / tb體系中出現了顯著的tb離子特徵熒光和pb離子的熒光現象。
  2. Simultaneous determination hg as pb in cosmetics by icp - aes

    法同時測定化妝品中汞砷鉛
  3. The main points of this thesis are summarized as follows : 1. a new nanocomposite was developed by combination of prussian blue ( pb ) nanoparticles and multiwalled carbon nanotubes ( mwnts ) in the matrix of biopolymer chitosan ( chit )

    本文開展的具體研究工作如下: 1 .將普魯士藍( pb )納米顆粒和mwnts分散在殼聚糖( chit )基底中,形成了一種新的納米復合材料。
  4. Effects of cu, cd, pb, zn and as single stress on the hrowth and physiological and biochemical characteristics of juncus effuses

    單一重金屬脅迫對燈心草生長及生理生化指標的影響
  5. The determination of pb and as in forsythia suspersa

    連翹中鉛與砷的含量測定
  6. Two of liquid metal materials, i. e. liquid metal pb - 17li and li, are seriously considered for their physical and chemical properties. liquid metal pb - 17li is one of the most attractive candidates for using as breeder, neutron multiplicator and coolant in dual - cooled waste transmutation blanket of fds

    分析了有關液態金屬材料的物理化學特性,經過綜合慎重考慮和研究,選取液態金屬pb - 17li作為氚增殖劑和中子倍增材料,同時也作為冷卻劑和氦氣在包層中分離冷卻。
  7. Relaxor ferroelectric single crystals, such as pb ( mg1 / 3nb2 / 3 ) - pbtio3 ( abbreviated as pmnt ) or pb ( zn1 / 3nb2 / 3 ) - pbtio3 ( abbreviated as pznt ), have been reported to exhibit an extremely large piezoelectric constant and excellent electrostrictive properties. such excellent performance makes it fully substitute the traditional piezoelectric ceramics and points to a revolution in ultrasonic transducers, actuators and micro - positioners, making relaxor - based piezocrystals the most promising materials for a broad range of advanced applications. however, it is difficult to grow the high quality single crystals because of the lack of valid thermodynamic data

    新型弛豫鐵電單晶鈮鎂酸鉛(簡稱pmnt )或鈮鋅酸鉛(簡稱pznt )是一類新興的功能材料,其在準同型相界附近具有優于傳統壓電陶瓷的較高的壓電常數和電致伸縮系數,可完全代替傳統的壓電陶瓷作為超聲換能器、致動器、微位移器等,使其成為鐵電領域的研究熱點,但如何生長出滿足應用要求的單晶材料卻一直是一個困擾的問題。
  8. Lead as activator in the fluorescent powder ( 1 % lead by weight or less ) of discharge lamps when used as sun tanning lamps containing phosphors such as bsp ( basi2o5 : pb ) as well as when used as specialty lamps for diazo - printing reprography, lithography, insect traps, photochemical and curing processes containing phosphors such as sms ( sr, ba ) 2mgsi2o7 : pb )

    第18點:仿日曬含磷(例如: bsp )放電燈中螢光粉的鉛活化劑(鉛含量1 %以下) ,以及二氮化合物印刷、平版印刷復印、捕蟲器,光化學及硬化製程使用的含磷(例如: sms )放電燈中螢光粉的鉛活化劑。
  9. The low - melting - point sn - pb - bi alloy was used as simulacrum to investigate the distortion of meniscus

    結果表明:當電源輸入頻率增大時,結晶器內的磁感應強度減小。
  10. In this paper, with the pb - zn sintering process of imperial smelting process ( isp ) in shaoguan smeltery works as study object, the design and implementation of y xl distributed control system ( dcs ) of sintering process is fulfilled as well as the development of optimal control system

    本文以韶關冶煉廠isp鉛鋅燒結過程為對象,設計和實現了燒結過程xl集散控制系統,設計和開發了燒結過程優化控制系統。
  11. Lead as activator in the fluorescent powder ( 1 % lead by weight or less ) of discharge lamps when used as sun tanning lamps containing phosphors such as bsp ( basi2o5 : pb ) as well as when used as specialty lamps for diazo - printing reprograp containing phosphors such as sms ( sr, ba ) 2mgsi2o7 : pb )

    仿日曬含磷(例如: bsp )放電燈中熒光粉的鉛活化劑(鉛含量1以下) ,以及二氮化合物印刷、平版印刷復印、捕蟲器、光化學及硬化製程使用的含磷(例如: sms )放電燈中熒光粉的鉛活化劑。
  12. The related reports said the main pollution sources of serious environmental cd, pb and as pollution in china were mining and smelting of nonferrous metals, these pollutants were discharged into the environment and caused the pollution of water, atmosphere, soil and biological species and caused a series of acute and chronic diseases in the exposed people, but the relationship between malignant tumors and environmental cadmium, lead, arsenic pollution is not well understood up to now

    研究認為有色金屬鎘、鉛、砷對人體有毒害作用;有色金屬礦山的開采和冶煉是環境鎘、鉛、砷污染的主要來源;污染物進入環境后,產生水污染、大氣污染、土壤污染和生物污染,繼而危害暴露人群的身體健康,產生一系列急性和慢性病癥。
  13. The result on research is as fellow : ( 1 ) the way to rebuild gas channels in combustion chamber of pb column has been researched in order to decrease the flow resistance. the aim, which is less resistance than that at present construction, has been gained

    本論文首次通過系統狽賦,藉助伍顫桔葫榨釀斕閣塔的燃腕室翩翱劃稚殲涸浙,對鋅睬蟎辨轉以孰艙澆室內煤氣道、煙氣道的緯淋撾矯孔劃b研究。
  14. The main contents are as followings : ( 1 ) the rules of choosing characteristic lines of fe and ni elements in the cu - pb alloy are investigated ; ( 2 ) the characteristic line of the impurity element and that of the reference element makes up a line pair. the intensity ratio of the line pair measured as an y - axis and the corresponding concentration ratio as x - axis, calibration curves for composition analysis is fitted at the 4 kinds of buffer gases

    Q )採用內標法,由樣品中雜質元素的分析線和內標元素參考線組成分析線對,對五種不同的鉛黃銅樣品,實驗通過測定了雜質元素分析線隊的強度比,以分析線對的強度比為縱坐標、分析線對所對應元素的含量比為橫坐標,擬合出了一系列在四種緩沖氣體中的定標曲線。
  15. The results were shown as follows : ( 1 ) the electrolyte components for electroplating pb - sn coatings in fluoborate system were studied. the effects of concentrations of main salt, dissociative acid, inhibitor, antioxidation and surfactant on the cathode polarization curves of electroplating pb, sn and pb - sn alloys and contents of alloying element were investigated systematically. the scale of current density was confirmed using hull cell

    ( 1 )研究了氟硼酸體系電鍍pb - sn合金鍍層的電解液組成,詳細討論了主鹽濃度、游離酸濃度以及阻化劑、抗氧化劑、表面活性劑等添加劑對氟硼酸體系電沉積pb 、 sn及pb - sn合金陰極極化曲線的影響和對pb - sn合金鍍層中合金含量的影響。
  16. Contents of cd, pb, cu and zn in duckweed and alternanthera philoxeroides there were determined. as a result, high loadings of zn and cu in both plants were found ; in the duckweed, high content of pb was also observed

    對香花橋中小河流中生長的水葫蘆和水花生cd 、 pb 、 cu 、 zn的含量進行測定,結果表明這兩種水生植物zn和cu的累積量均很高;而浮萍對pb也有明顯富集。
  17. 01 ). poisonous metals such as cd, pb, cr and ni were mainly distributed in scale and gill. for fishes, the content of heavy metals in the edible part were far below pollution evaluation standards for marine organism and healthy standards for human consumption, which was safe to be eaten

    魚類不同組織器官對各種重金屬積累能力明顯不同,有毒重金屬元素cd 、 pb 、 cr和ni主要分佈於鱗片和鰓中,其食用部分中各重金屬含量都遠低於「海洋生物污染評價標準」和「人體衛生消費標準」 ,具安全的食用價值。
  18. The results showed that the effects of pb + on esterase isoenzyme activity are not only the activation but the inhibity as well. there were different effects of pb2 + on est isoenzyme of the major tissues

    結果表明:鉛對長江華溪蟹酯酶同工酶的活性影響既有激活作用又有抑制作用,並存在組織差異性和劑量效應。
  19. The cultivated anisodus tanguticus ( maxim. ) pascher of two year and three year in different growth phase was collected, and the content of heavy metal element as pb, as, hg, cd was analysed by hydrogen generation - atomic absorption spectrometry

    採集兩年生和三年生種植山莨菪在不同生長期的植物全植株,採用流動注射氫化法原子吸收光譜分別測試了其不同組織中鉛、砷、汞、福等重金屬元素含量。
  20. 6 upon receipt of pof, seller shall issue via swift bank to bank proof products ( pop ) and 2 % non - operative performance bond ( pb ) as per appendix no 4 within five ( 5 ) international banking days

    收到買方資金證明后5天內,賣方須通過銀行出具貨物證明:並根據附件4之條款開具履約擔保。
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