鉛比 的英文怎麼說

中文拼音 [qiān]
鉛比 英文
lead ratio
  • : 鉛名詞1. (金屬元素) lead (pb) 2. (鉛筆心) lead (in a pencil); black lead
  • : Ⅰ動詞1 (比較; 較量高下、 長短、距離、好壞等) compare; compete; contrast; match; emulate 2 (比...
  1. There was a collection lf laws set up to unify legal practices in babylonia

    在巴倫尼亞,有一部用細體字印製的,系統的,外科法律。
  2. On cytomembrane ; resolved the precipitation in buffer d ( contained triton x - 100 ) shattered by ultrasound, 4 vibrated for 60min, centrifuged at 45000g for 1 hour, took the supernatent to mesure protein concentration and then mesure the pkc activity

    目前,在的神經毒性研究過程中,對pkc的作用引起人們極大關注。這是因為鉛比鈣對pkc有更高的親和力。現已知, ph卜可以取代caz 」激活蛋白激酶c 。
  3. The activity of pkc on cytomembrane in mice brain showed ; 1 ) the value of pkc activity was lower than that of cytoplasma, 2 ) the activity of each group reached the peak at p22, 3 ) the value of pkc activity varied with lead concentration, especially for the 9. 6mmol / l group

    2 )暴露小鼠腦細胞膜pkc活性總體上胞漿低, pkc活性高峰時段在p22左右,胞膜pkc活性隨濃度的升高而升高。其中9 6nunoul組升高最為明顯。
  4. Draughtsmen make drawing on a drawing board, using a pencil and a t-square, set square and scale.

    繪圖員用筆、丁字尺、三角板和例尺在繪圖板上繪圖。
  5. The tianbaoshan and daliangzi pb - zn deposits, strictly controlled by " formations, phases and structures ", are typical mvt pb - zn deposits. they also belong to the epigenetic hydrothermal strata - bound deposit

    天寶山、大樑子礦床嚴格受「層、相、位」的控制,屬後生熱液層控礦床,也是典型的密西西河谷型鋅礦床。
  6. Many transistors are smaller than the eraser on the end of a lead pencil.

    很多晶體管都筆頭上的橡皮還要小。
  7. Lead will fuse at a lower temperature than some other metals.

    熔化的溫度別的金屬低。
  8. And we compared these deposits for the geological feature and the typmorphic feature of pyrite, galenite, shphalerite which provide mineral basis for prospective value and reserching target of these deposits

    而且把幾個礦床的地質特徵以及黃鐵礦、方礦、閃鋅礦的標型特徵進行對,為礦區的遠景評價和找礦靶區的確定提供了礦物學依據。
  9. The original ev1 was designed for lead - acid batteries, which were more heat - resistant than the much more powerful nickel metal hydrid batteries used in the 1990 impact

    Ev1原型是專用蓄電池的,蓄電池更為強大的鎳金屬氫化物電池更耐熱。
  10. Dna damages caused by so2 and lead acetate were studied with the single cell microgel electrophoresis technique ( or comet assay ) in order to confirm the damaging degree of lead ( as an important component of atmosphere particle matter ) on dna from male mice exposed to so2. the migrating distances of dna of brain, lung, spleen and kidney cells of mice increased significantly, compared to the control group under conditions of single and combined poisoning of so2 ( 42mg / m3 ) and lead acetate ( 0. 2 % ), and lead could strengthen dna damage degree by so2 in nuclear dna of brain, kidney, spleen cells. damaging degree of so2 on nuclear dna of lung cell of mice was more severe than that of lead

    為了明確大氣顆粒物中的重要組分? ?在二氧化硫所致dna損傷中的作用程度,利用單細胞凝膠電泳技術( singlecellgelelectrophoresis , scge ,或稱彗星實驗, cometassay )研究了與二氧化硫的聯合污染,結果表明在42mg m ~ 3so _ 2和0 . 2醋酸摘要一abstract單獨及聯合染毒條件下,小鼠腦、肺、腎、脾細胞dna遷移距離均對照顯著增加;加劇了50 :對腦、腎、脾細胞核dna的損傷程度; 50 :對肺細胞核dna的損傷程度要的損傷大,小鼠肺細胞核dna遷移距離在50 :和醋酸聯合作用組與醋酸單獨作用組間有極顯著性差異( p < 0 . 01 ) ,而與502單獨作用組間沒有顯著性差異。
  11. The utilization of lead acid battery active material is universally very low though its technology has reached the maturation. especially, the utilization of positive active material is much worse. and the performance of the positive pole decides the whole battery performance

    雖然酸電池的技術已經較成熟,但普遍存在活性物質利用率較低的問題,特別是正極活性物質的利用率更是不理想,正極的性能決定著整個電池的性能。
  12. A comparison of the prospecting model of the hf type with the prediction model of the vms type reveals that their thermal dynamic mechanisms are different : the former is related to basic - ultrabasic rock intrusion, while the latter to acidic rock intrusion

    與白銀銅礦區域地球化學預測模式相較,富鐵型鋅礦床中除鐵族元素指示基性超基性巖侵入事件外,其他元素均大致相似,兩大類礦床形成的初始熱動力條件不同。
  13. Analysis of the sequence revealed that adda resembled nifs of nitrogen - fixing bacteria and dnda. the entire add gene cluster showed 78 % identity to dnd gene cluster from s. lividans

    同源性較揭示add基因簇的adda基因與固氮酶基因nifs高度同源, add與變青鏈黴菌dnd核苷酸的同一性為78 。
  14. The surface elemental analysis shows that al / o atomic ratio change from about 2 / 3 of not wetted part to about 1 / 1 of wetted part. the damage of coating surface seems to be related to the interaction of outside layer with liquid pb - 17li and thermal stress during heating sample

    未浸潤表面的ai / o原子約為2 / 3 ,浸潤表面約為1 / 1 ,表明液態鋰合金對滲鋁層表面的al2o3薄層造成了損傷。
  15. Comparison of tin base lead base and zinc base alloy for bearing purpose

    錫基基及鋅基軸承合金較表
  16. Colorwind stationery is specializing in the production of various student and office stationery, such as ball point pen, mechanical pencil, marker, stick on it, sharpener, stapler, punch, correction tape, tape dispenser, ruler, earser, glue, diaries, notebook, file, cutter, scissors

    學生文具,辦公文教,圓珠筆,自動筆,訂書機,打孔機,嘜頭筆,卷筆刀,膠帶座,修正帶,文件夾,筆記本風彩文具專業生產各種學生和辦公文具如圓珠筆,自動筆,訂書機,打孔機,嘜頭筆,卷筆刀,膠帶座,修正帶,文件夾,筆記本
  17. The analysis on unilateral, bilateral and lateral - torsional coupled seismic response of base - isolated structures with lead rubber bearings is carried out. the maximal displacement of the bearings is studied. the influence on lateral - torsional coupled seismic response of base - isolated structures due to the excentricity and uncoupled period ratio of the superstructure, and the excentricity of the isolation system is investigated

    芯疊層橡膠支座基礎隔震結構進行了單向及雙向地震反應對分析,並研究了支座最大位移的確定;對結構進行了平?扭耦聯地震反應分析,研究上部結構的偏心距及非耦聯周期、隔震層偏心距等因素對結構的平?扭耦聯地震反應的影響,並對結構平?扭耦聯地震反應的控制進行了探討。
  18. Lead - uranium ratio

  19. This thesis consists of four chapters : ( 1 ) a review ; ( 2 ) study on the optical chemical membrane for detection of lead ion by using 2 - hydroxy - 1 - naphthaldehydene - 8 - aminoquinoline as fluorescence indicator ; ( 3 ) study on the optical chemical membrane for detection of lead ion by using meso - ( 4 - methyloxyphenyl ) porphyrin as fluorescence indicator ; ( 4 ) study on the optical chemical membrane for detection of lead ion by using 2 - methene - benzimidazole monoaza - 18 - crown - 6 as fluorescence indicator. in chapter one, the laboratory method for determination of lead ion, the progresses of chemical sensor for detection of lead ion recently and the introduction of the basic theory, relative merits of sol - gel and its application in optical chemical sensor were involved

    第二章利用有機改性的溶膠-凝膠包埋方式,以2 -羥基- 1 -萘甲醛- 8 -氨基喹啉為熒光指示探針,結合正交實驗方法探索了幾個重要因素,如加水量、醇硅、催化劑、添加劑等對成膜性的影響,制備了對水中離子有較好響應的傳感膜,其線性范圍為1 . 0 10 - 7 ~ 5 . 0 10 - 5mol / l ,檢測限為3 . 6 10 - 8mol / l 。
  20. It says " lead. " like " lead balloon.

    是lead (氣球
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