試金鉛 的英文怎麼說
中文拼音 [shìjīnqiān]
試金鉛
英文
assay lead-
Using potted trial, the soil heavy metal lead pollution influences on maize plant growth were studied under lime ameliorant condition
摘要採用盆栽試驗，研究了在施用石灰改良的條件下，土壤重金屬鉛污染對玉米生長的影響。Some soil microbial activity parameters and heavy metals contents were analyzed by principal component method. the results showed that the critical levels of cadmium and lead in red clayed soil and red sandy soil were 15 mg. kg - 1 and 0 - 15. mg. kg - 1, 200 mg. kg - 1and 200 - 400 mg. kg - 1, respectively. soil microbial populations and functional diversities of microbial community have changed to some extent under the stress of cadmium and lead pollution
在本文中我們將供試紅壤的上述微生物活性指標和2種重金屬含量進行主成分因子分析，其結果得出，紅黃泥和紅砂泥的土壤微生物活性鎘脅迫的臨界承載量分別為15mg ? kg ~ 1和0 15 ? mg ? kg ~ 1 ；鉛脅迫的臨界承載量分別為200mg ? kg ~ （ - 1 ）和200 400mg ? kg ~ （ - 1 ） 。Method for chemical analysis of lead concentrates - the fire - assaying methods for the determination of gold and silver content
鉛精礦化學分析方法火試金法測定量和銀量The methods for chemical analysis of lead and zinc bulk concentrates - the determination of gold and silver content - the fire - assaying methods
混合鉛鋅精礦化學分析方法.金量與銀量的測定.火試金法The results show that the recovery of lead, gold and silver are 93. 36 %, 91. 02 % and 69. 38 % seperately, and the recovery of copper in matte is more than 98 % when the ratio of lead concentrate to alloy is 230 %
試驗結果表明：當鉛精礦相對合金加入比率為230 %時，鉛直收率93 . 36 % ，金和銀直收率分別為91 . 02 %和69 . 38 % ，銅在冰銅中的直收率為98 %以上。In contrast, plants from three populations of e. splendens showed high cu tolerance and substantial cu accumulation, under 100 umol l - 1 the plant of tl / zj / jd can accumulate 143. 5, 71. 9 and 58. 1 mg kg - 1 cu in the aboveground parts, respectively. the cu concentration in shoots was 16 to 27 times more than cu concentration in roots
在盆栽試驗條件下，海州香薷和紫花香薷對土壤銅、鋅、鉛復合污染都具有很強的耐性，地上部分銅、鋅、鉛等重金屬含量在植物生長期呈現動態變化，但植物地上部重金屬積累量保持增加趨勢。T he t esting d ata show that under the designed vibration waves, the lead alloy dampers are well functioning, not only reducing the strain at the ankle of bushing, but limiting significantly the relative displacement and absolute acceleration at the top of bushing
試驗結果表明：在試驗設計確定的地震動輸入下，鉛合金減震器的減震效果良好，不僅降低了斷路器地震破壞指標? ?瓷柱根部應變，而且沒有顯著增加斷路器頂部的位移和加速度反應。According to this, the research of the fatigue properties of the ferroelectric films was proposed. the lead zirconate titanate ( pzt ) film was prepared by a metal - organic decomposition method. the films " physical properties were analysed by x - ray diffraction ( xrd ), scanning electron microscopy ( sem ) and hysteresis loops
然後採用金屬有機物熱分解法制備出作為研究對象的鋯鈦酸鉛pb （ zr ， ti ） o _ 3 （ pzt ）薄膜，用x射線衍射儀、掃描電鏡和rt6000s鐵電測試儀測量表徵鐵電薄膜。Copper, lead and zinc sulfide concentrates - determination of gold and silver - fire assay gravimetric and flame atomic absorption spectrometric method
銅鉛和硫化鋅精礦.金和銀含量測定.火試金法和火焰原子吸收光譜法At the same time, the result of the functional diversity of soil microbial community indicated that soil microbial metabolism quotient ( awcd ), microbial community richness and shannon index all decreased significantly in red soils polluted by cadmium and lead compared with non - polluted soils. these results suggested the structure of microbial community have changed, decreased the functional diversity of microbial community, and reduced the microbial number utilizing different carbon resources
Biologgn測試結果顯示，鎘、鉛污染紅壤微生物群落代謝剖面（ awcd ）及群落豐富度、多樣性指數均顯著低於非污染土壤，表明重金屬污染引起了土壤微生物群落功能多樣性下降，減少了能利用有關碳源底物的微生物數量、降低了微生中義摘要物對單一碳源底物的利用能力，最終導致土壤微生物群落功能多樣性發生變化。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。Metallic coatings. electroplated coatings of tin - lead alloys. specification and test methods
金屬鍍層.錫鉛合金電鍍層.規范和試驗方法Coil coated metals - test methods - part 4 : pencil hardness
鍍層盤材金屬.試驗方法.第4部分:鉛筆硬度Coil coated metals - test methods - part 4 : pencil hardness ; german version en 13523 - 4 : 2001
塗覆金屬卷材.試驗方法.第4部分:鉛筆硬度Industrial pollution has been a problem in certain areas of hong kong, and 12 parameters relating to metals and metalloids were initially used in 1986 to measure the degree of such pollution. these parameters are aluminium, arsenic, boron, cadmium, chromium, copper, iron, mercury, manganese, nickel, lead, and zinc. in 1997, another seven were added antimony, barium, beryllium, molybdenum, silver, thallium, and vanadium, making a total of 19
香港部分地區多年來一直受工業污染的困擾， 1986年河溪水質監測計劃推行初期我們用12項金屬及準金屬參數來檢驗工業污染水平：鋁砷硼鎘鉻銅鐵汞錳鎳鉛及鋅其後在1997年起另添加了七項新參數：銻鋇鈹鉬銀鉈及釩，監測的參數共19項，此外並測試了四項與工商業污染有密切關系的參數，即氰化物總量氟油脂及洗滌劑。Coil coated metals - test methods - pencil hardness
卷材覆層金屬.試驗方法.鉛筆劃磨硬度A new type three - roll rotary experimental mill has been designed on the basis of the analysis and investigation with the main technical parameters of the experimental mill designing in detail, such as offset angle, inclined angle and the exit diameter
對試驗軋機的主要技術參數偏轉角、傾斜角及軋件的出口直徑等參數做了詳細設計，可以設定不同的偏斜角和傾斜角進行試驗，軋制出不同出口直徑的軋件，可以對鋁、鎂、鉛、錫合金及其他材料進行試驗。However, b ecause t he d isplacement o f v ibration t able u sed i n t he t est i s 1 imited t o 4cm, the results of the testing could prove only partially the damping effect for ground motions with significant short - period contents
由於振動臺振動位移的限制，振動臺試驗僅能進行短周期成分豐富的地震動試驗，不能全面地評價斷路器的抗震性能和鉛合金減震器的減震效果。分享友人