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1.Boiling the semi-finished spicy materials for hot-pot in aluminum containers increased lead,arsenic and aluminum contents in the soup by 2.4 times,14.91% and 4.7 times,and lead,arsenic,cadmium contents in the fat by 2.3 times,62.16% and 7%,respectively.
用铝锅熬煮可使汤料中的铅、砷、铝分别增加2.4倍、14.91%和4.7倍,可使油脂中的铅、砷、镉分别增加2.3倍、62.16%和7%。收藏指正
2.The contents of lead,arsenic and aluminum in the soup increased by 3 times,23.98% and 24.52%,respectively,and the contents of lead, arsenic,cadmium and aluminum in the fat increased by 4 times,80%,40% and 15.16%,respectively,when the semi-finished spicy materials for hot-pot were boiled in stainless steel containers.
研究火锅底料在不锈钢锅和铝锅中熬煮铅、砷、镉、铝含量的变化。 结果:用不锈钢锅熬煮可使汤料中的铅、砷、铝分别增加3倍、23.89%和24.52%,可使油脂中的铅、砷、镉、铝分别增加4倍、80%,40%和15.16%;收藏指正
3.Then the protected D-mannitol, mixed with lead tetraacetate, hippuric and acetic anhydride, were refluxed in THF for 18 h in a one-pot two step reaction to afford a chiral precursor (Z)-2-phenyl-4-[(S)-2,3-O-(isopropylidene)]-propylidene-5(4H)-oxazolones.
产物与四乙酸铅、马尿酸、乙酐于THF中回流18 h完成一釜二步反应，纯化后得到含有手性碳原子的环丙烷氨基酸前体(Z)-2 苯基-4-[(S)-2，3-O-(异丙叉)]丙叉?f唑-5-酮，前体中的手性碳原子可作为环丙烷氨基酸衍生物不对称合成的手性源；收藏指正
4.The spraying of ammonium molybdate can lead to the accumulation of Mo in lettuce,but it does not exceed the safe limit. According to the yield,nutritive content and healthy quality of lettuce,the optimum treatment is A_1B_1C_1(GA 25mg/L+Mo 150mg/L+DCD 12.5mg/pot).
综合评价莴笋的产量、卫生安全和营养品质,以A1B1C1处理(GA25mg/L+Mo150mg/L+DCD12.5mg/盆)最理想。收藏指正
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