元素鉛 的英文怎麼說

中文拼音 [yuánqiān]
元素鉛 英文
pb
  • : Ⅰ形容詞1 (本色; 白色) white 2 (顏色單純) plain; simple; quiet 3 (本來的; 原有的) native Ⅱ名...
  • : 鉛名詞1. (金屬元素) lead (pb) 2. (鉛筆心) lead (in a pencil); black lead
  1. Glutathione redox system as the important parts of defense systems was studied after exposure to sulfur dioxide at different concentrations. dna damage caused by so2 and lead acetate were also studied. protective roles of seabuckthorn seed oil on oxidative damage caused by so2 in liver and lung of mice were also investigated

    本文在整體動物水平上研究了不同濃度二氧化硫吸入后小鼠組織谷胱甘肽氧化還原系統( glutathioneredoxsystem )的動態變化規律;二氧化硫所致氧化損傷的防護作用研究;二氧化硫和大氣顆粒物中親氣性重金屬元素鉛對dna的聯合損傷作用。
  2. Through the study of characteristic of macroelement, microelement, rare - earth element, oxyhydrogen isotope, sulfur isotope, lead isotope, fluid inclusion etc, a conclusion can be drawn that metallogenic substance comes from the upper mantle with mixing of some substance from the upper crust latter. it is likely to have the same source with the surrounding rock

    通過對礦床的常量、微量、稀土、流體包裹體特徵、氫氧同位、硫同位同位等特徵的研究,認為成礦物質主要來源於上地幔,與周圍巖石存在著同源的可能性,後期有一定的上地殼物質混入,成礦作用有三期,分別與區內的花崗巖、二長花崗巖脈、雲煌巖脈有關。
  3. 5mg. kg - 1 respectively, zn concentration decreases in pileus when other hms were added, cu, pb, cd, concentration increasion in pleurotus ostreatus, the transformation and distribution is higher than single element, cd > zn > cu > pb

    菌蓋中鋅隨著銅、、鎘的加入而減少,表現為拮抗作用;但當其他重金屬存在時,平菇吸收富集銅、、鎘皆表現為協同作用。
  4. Soil geochemical measurement of one ten - thousandth scale indicates that the anomalies of gold, stiver, copper, lead have features of high intensity and well - lapped forms

    1 : 1萬土壤地球化學測量表明礦區金、銀、銅、、鋅等具有強度大,套疊好的特點。
  5. 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比較,富鐵型鋅礦床中除鐵族指示基性超基性巖侵入事件外,其他均大致相似,兩大類礦床形成的初始熱動力條件不同。
  6. Since the unstable nuclei exist between actinides, including thorium and stable nuclei like lead and bismuth, explosive events such as supernovae are required to produce actinides

    自不穩定核之間存在著錒系,包括釷和穩定核像灌了,鉍,爆炸性事件,如超需出示錒
  7. The minesoils possessed obviously different mciobial features : higher in microbial basal respiration strength, and microbial ecophysiological parameters cmic / corg and qco2, but lower in micobial biomass compared with the non - minesoils. biolog data showed that were changed, much more rapid in consuming carbon sources, but the lower in the ratio of utilization

    結果表明:香根草是一種在鋅礦區適生的耐受性植物,引種5年以上的香根草植物中含量表現為zn pb cu cd ,其中cu表現為根莖葉, cd表現為葉莖根, zn 、 pb表現為根葉莖。
  8. The evalution for heavy metal content in the tea garden soil in west of sichuan

    浙江省茶園中含量現狀研究
  9. Using the lead as the displaying element, how the variation of the material " s density affects the counts of the lead area is studied. a method measuring the material " s density and adjusting the water content is introduced

    為指示,探討了物質密度的改變對區計數的影響,提出了一種測量物質密度和對水分含量進行校正的方法。
  10. Industries with particularly high potential exposures include : construction work involving welding, cutting, brazing or polishing on lead surfaces and application of lead solder ; most smelter operations either as a trace contaminant or as a major product ; secondary lead smelters where lead is recovered from batteries ; and firing ranges

    有機會接觸的工作包括:在建築業中,在含的表面上進行焊接切割鍍焊或打磨粉飾以及使用錫作焊接在采礦業中,提煉或其他的工種在回收業中,把電池中的再循環利用以及彈藥製造工作。
  11. 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,由樣品中雜質的分析線和內標參考線組成分析線對,對五種不同的黃銅樣品,實驗通過測定了雜質分析線隊的強度比,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。
  12. Abstract : a review with 10 references is given on the relationship between trace elements and the health of human body including the physological function of fe, the immunity function of se and the poisonous effect of pb

    文摘:討論了微量與人體健康的關系及其在體內的代謝平衡問題,包括:鐵的生理功能、硒的免疫功能、的毒害作用。
  13. By study dabaoshan deposit on minerogenetic and geological background, mineral constituent, rare - earth element, isotope and typomorphic feature of sulpurization mineral, finally, we made a conclusion that dabaoshan deposit resulted from the volcanic deposition which type is laterebuilt and magma hydrothermal superimposed. we found the upside of dabaoshan deposit have been denuded or oxidized, bassically, it have reached the lowest part of the deposit

    通過對大寶山礦床的成礦地質背景、礦物成分、稀土組成、同位以及黃鐵礦、閃鋅礦、方礦的標型特徵進行研究,確定了大寶山礦床的成因為火山沉積,經後期巖漿熱液疊加型礦床,對礦床的遠景進行了預測,提出大寶山礦床的上部礦體已被剝蝕或被氧化,基本上已經到礦體的深部的觀點。
  14. In order to choose the plants that were hypertolerant to heavy metals and for the case of phytoremediation of soils that were polluted by heavy metals, the research was carried out by the methods of soil - planting and sand - planting in green - house. the study includes selecting the hypertolerant plants from 36 dominant species found in the vicinity of a pb / zn mine tailings pond, observing the ecophysiological response of the hyperaccumulators, improving - impact of hyperaccumulators on biosolds and examining the effect of nutrient elements ( n p k ) on the lead uptake

    為選擇和篩選富集重金屬或對重金屬具有耐性的植物,以達到利用植物修復重金屬污染土壤的目的,本研究通過溫室砂培和土培的方法,對生長于鋅尾礦區的36種植物進行了篩選,研究了富集植物品種對重金屬pb的生理生態效應、對重金屬pb的吸收和耐性以及對污泥的響應,並探討了土壤中的營養n 、 p 、 k對植物吸收pb的影響,為植物修復工作提供理論依據。
  15. In chapter 2, the property of libs in cu - pb alloy and the determination of the optimum experimental condition in elemental quantitative analysis are investigated

    第二章研究了黃銅合金固體樣品libs的性質,確定將libs用於樣品雜質定量分析時的最佳實驗條件。
  16. It is safety and vogue. it does not contain lead and any other harmful chemical material

    綠色環保,不含和其它有毒,安全可靠,新穎時尚。
  17. The ores are all dominated by cu with minor zn, and the deposits are classified as the cu type

    礦石主成礦均以銅為主,含少量的鋅,幾乎不含,礦床類型屬于銅型。
  18. The residues of secondary zinc oxide is a kind of secondhand resource which can be reused, there are many kinds of valuable elements contained in this slag, such as zinc, lead, arsenic, antimony, silver and scare metal indium, the comprehensive utilization of secondary zinc oxide have both reasonable value and society benefits

    摘要次氧化鋅廢渣是一種可利用的二次資源,含有鋅、、砷、銻、銀以及稀散金屬銦等金屬,綜合利用次氧化鋅有經濟價值和社會效益。
  19. Discussion on hair pb content and its food therapy

    韶關市部分人群微量元素鉛含量及其食療的探討
  20. Huize pb - zn - ge - cd deposit is a typical ore deposit occurred in sichuan - yunnan - guizhou lead - zinc metallogenic area. the enrichment coefficient of ge and cd in main ore body reaches 6978 and 3640 respectively, which shows that dispersed elements have a special geochemical behavior in this area

    會澤鋅鍺鎘礦床,是川滇黔成礦三角區富分散元素鉛鋅礦床的典型代表,其主礦體中鍺、鎘的富集系數分別可達6978和3640 ,顯示了分散在該區有著獨特的地球化學行為。
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