l column 中文意思是什麼

l column 解釋
l型柱
  • l : L-beam, L-iron 不等邊角鋼。L,￡＝ 〈拉丁語〉 libra （＝ pound）。
  • column : n 1 【建築】圓柱；圓柱狀物〈如煙柱〉。2 【軍事】縱隊 （opp line）; 隊；（艦隊的）縱陣，縱列，艦列...
  1. According to the polarity, the residue was isolated with petroleum ether, chloroform, ethyl acetate, and n - buoh, respectively. the n - buoh fraction, confirmed as neuroactive component, was subjected to sephadex lh - 20 column chromatography to provide an extract fraction, as a buff powder, which could induce neurite outgrowth in rat pheochromocytoma pc12 cells in a dose - dependent manner up to 50 mg / l

    將菟絲子乾粉用75乙醇浸泡后，減壓蒸干后得到褐色漿狀物，經石油醚、氯仿、乙酸乙酯、正丁醇萃取，經柱層析后，再用葡聚糖凝膠對有效成份進一步純化，獲得了菟絲子中能誘導pc12細胞分化的活性組分。
  2. Oil of orris rhizome iris pallida lam. or iris germanica l. - determination of irone content - method using gas chromatography on capillary column

    鳶尾根莖油.鐵含量的測定.毛細管柱氣體色譜法
  3. Oils of orris rhizome iris pallida lam. or iris germanica l. - determination of irone content - method using gas chromatography on a capillary column

    鳶尾根莖油.鐵含量測定.毛細管柱氣相色譜法
  4. In this paper, by shorting the length of deae - cellulose column and increasing the ph of elution solution, one kind of go isozyme was purified rapidly from green leaves of spanictu brassica parachinensis bailey and vigna unguiculatew. ssp. sesquipedalis ( l )

    本文通過一種改進后的方法，即通過縮短deae - cellulose - 52柱的長度，以及提高洗脫液的ph ，可在9h內從菠菜、菜心和豆角綠葉中純化go同工酶。
  5. Adsorption isotherm of activated alumina and bone char can be described by langmuir adsorption isotherm in the form qe = 0. 72cy ( l + 0. 074ce ) and freundlich isotherm in the form qe = 0. 88ce1 / 1. ' 94 respectively. continuous - flow column experiments show there have higher removal capacity for activated alumina and bone char when empty - bed contact time was controlled within 12 ~ 15min and about 15min separately

    對可利用吸附容量和實際利用吸附容量的理論分析說明，連續處理活性氧化鋁停留時間控制在12 15min較好，此時吸附容量利用率較高，約為80 ，骨炭停留時間控制在15min較好，吸附容量利用率約為75 。
  6. The hwtx - i gene was chemically synthesized according to its known cdna sequence, the gene was inserted into vector ppic9k which contained aoxj promotor and the sequence of a secreting signal peptide - a - factor, the cloning ppic9k / hwtx - i was constructed and confirmed by two - step pcr and dna sequence analysis, then it was transformed into host strain gs115, a his + muts cell line was screened and multicopy transformants were screened by various g418 concentrations, the multicopy transformant was named gh1. gh1 was cultivated in flasks. after 6 days of induction by 0. 5 % methanol, the supernatant was checked by 16. 5 % tricine - sds page, which showed there was a band in the position of 3. 5 - 6. 1kd, then it was isolated and desalted by ultrofiltration followed by ion exchange of cm column, after reverse phase hplc of ci8 and vacuum drying, the purified rhwtx - 1 was obtained which was proved to be correct recombinant hwtx - i by tricine sds - page, maldi - tof mass spectrometry, amino acid composition analysis, the n - terminal amino acid sequence and its biological activity, the final field of the purified rhwtx - i was about 80mg / l, accounting for 23. 6 % of it total secretory proteins

    將帶有hwtx -基因的ppic9k經blgii線性化后，轉化酵母宿主菌gs115原生質體后經篩選陽性克隆並經表型鑒定為his ~ + mut ~ s酵母菌，進一步用遺傳毒素g418篩選多拷貝的轉化菌株，命名為gh1 ；將gh1甲醇酵母菌用0 . 5的甲醇誘導表達，發酵上清經90飽和度的（ nh _ 4 ） _ 2so _ 4沉澱， yw - 3 （ mwc03000 ）的超濾膜超濾，再經cm陽離子交換， c _ （ 18 ）反相hplc純化得到分子量為4kd左右的組分，其中4289 . 05的組分經質譜鑒定，氨基酸組成分析和序列測定為正確的表達產物，生物學活性表明其活性為天然毒素活性70 % ，表達量為80mg / l 。
  7. Op - ed from the washington post 060101 ) ( this column by u. s. secretary of state colin l. powell first appeared in the washington post june l, 2001 and is in the public domain

    國務卿鮑威爾談中國貿易地位鮑威爾於6月1日在《華盛頓郵報》上發表的署名文章全文
  8. The correlative item of 《 code for design of concrete structures 》 ( gb50010 - 2002 ) points out that when the slenderness ratio of the member is greater than 30 the method of - l _ 0may lead great error, should adopt model column method

    現行《混凝土結構設計規范》 （ gb50010 - 2002 ）條文說明指出當柱長細比大於30時偏心距增大系數方法（ - l _ 0法）會有較大的誤差，宜採用模型柱法分析。
  9. Through choosing different diameter of sand granule, using fecl3 and pac as the coagulants, doing paralleled test through standard filtration column compared with referenced filtration columns ( the coarser and the finer sand granule used as filtration media separately ), the thesis investigates the correlation between the filtration behavior and the depth of the deep bed l, the diameter of the sand granule d

    本文採用不同粒徑的石英砂濾料，以fecl _ 3 、 pac作為混凝劑，通過進行標準濾池與參照濾池（分別裝填細濾料、粗濾料）的平行對比試驗，研究濾料粒徑改變后，濾池過濾特性與濾池深度l 、濾料粒徑d的相關關系。
  10. Without ammonium sulphate fractionation and dialysis, the supernatant of crude extract was directly loaded on deae - sepharose cl 6b column equilibrated by phosphate buffer ( 50mmol / l, ph7. 8 ), and the enzyme fraction was not absorbed on the column but impurities were absorbed

    粗酶液無需硫酸銨沉澱及透析，即可引入磷酸緩沖液（ 50mmol l ， ph7 . 8 ）預平衡的deae - sepharosecl6b柱，上柱後用平衡緩沖液洗至基線穩定。 afpga不被吸附而直接流出。
  11. 5mmol / l h2o2 can completely kill the three kinds of enzymes. so we can come to the conclusion that sod in aloe is fe - sod. determined by sephacryl s - 200 column, the molecular weight of sod - i is approximately 46 000d, that of sod - ii is 35 000d, that of sod - iiiis 40 000d

    可以判定該酶是鐵超氧化物歧化酶凝膠過濾法測得sod i的分子量約為46000d ， sod 11的分子量約為35000d子量為， sod ill分子量約為40000d 。
  12. The enzyme was purified from cell extract by ammonium sulfate fractionation ( 30 % - 80 % saturation ) and consecutive column chromatography using deae - cellulose and sephadex g - 100. the sod activity for purified enzyme could reach 4966 iu / mg proteins, and the molecular weight of the sod was about 20 kda which determined by sds - page electrophoresis. when the non - denaturing polyacrylamide gel stained with substrate for sod in the present of 0. 2mmol / l kcn or 0. 5 mmol / l h2o2, the active band was still showed at the same position, which indicated the sod could not be inhibited by the treatments with kcn or h2o2 and it was the mn sod

    通過sds一聚丙烯酸胺凝膠電泳可知該sod酶的分子量約為20kda .在非變性聚丙烯酞胺凝膠（ pagb ）電泳后，在凝膠son顯色反應液中加入0 . 2耐01 / lkcn或0 . 5inmol / lh202 ，凝膠sod顯色反應后在原來的sod酶部位仍然含有sod活性帶，這表明利用kcn和h20 :處理並不能抑制500的活性，該sod屬于mn一sod 。
  13. To investigate the punching shear behavior of slab - column connections with nonrectangular columns, an experiment on the three specimens of column with three kinds of typical special - shaped cross - section ( cross - shaped section, t - shaped section and l - shaped section ), which were connected with reinforced concrete slabs, and reference specimens with square columns was conducted

    摘要為了研究柱截面形式為異形柱的板柱連接沖切受力性能，進行了柱截面形狀分別為3種典型異形柱（十字形、 t形和l形）和對比方柱所構成的板柱連接的沖切特性試驗。
  14. In order to study the behavior of r. c. columns subjected to biaxially eccentric loading, the l - shaped column of three sets of steel ratios was calculated. according to the results calculated by the program ( asc ), the behavior of loading response was investigated

    為了研究異形截面柱的在雙向偏心受壓下的受力及變形規律，本文利用程序asc對三種不同配筋率下的l形柱進行了分析、比較，總結了異形截面柱的受力及變形規律。
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