流入湖中的泉水和河水携带了溶于水的硝酸盐和磷酸盐。Springs and rivers that drain into lakes carry dissolved nitrates and phosphates.我们漫步经过泉水叮咚的喷泉和芬芳四溢的花园。We strolled past tinkling fountains and perfumed gardens.这条河发源于一处泉水.The river rises from a s...
Effects on the activities of urease and catalase from bronopol were studied.研究了溴硝醇农药施入土壤后,土壤中脲酶和过氧化氢酶活性的变化情况.Ther result shows that the mechanism is probably that the electrostatic field polarizes the catalase solution.研...
A new method for determining anthraquinone of Cassia obtusifolia L.提出了三氯化钛-分光光度法测定决明子中总蒽醌含量的新方法.Conclusion: The preparation process to extract and purity total anthraquinone was feasible.结论: 该实验所确定的提取及纯化工艺对大黄总蒽醌的富集是切实可行的...
1942年6月,英国第八军全面撤退.In June 1942, the British 8th Army was in full retreat.米兰队攻入第八粒进球后，观众有序地涌进球场。There was a peaceful pitch invasion after Milan's eighth goal.第八诫是“不可偷盗”。The eighth commandment is "Thou shalt not steal...
他们通过无线电证实她在营救幸存者。They confirmed by wireless that she was picking up survivors.5位幸存者最终到达安全之地时已经衣衫褴褛、饥肠辘辘、精疲力尽。The five survivors eventually reached safety, ragged, half-starved and exhausted.早先的报道无法证实是否有幸存者。Earlier report...