将杀菌剂配制成水溶液,测定添加了杀菌剂前后水样中的硫酸盐还原菌、铁细菌和腐生菌的含量,用绝迹稀释法计算杀菌率,对杀菌剂的杀菌效果及其性能进行综合评价。
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A group of mostly extinct primitive bony fishes characterized by armor-like bony scales.
大部分已绝迹的远古硬骨鱼类群,有甲壳状骨质鳞片。
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他在带领中国林业局(State Forestry Administration,SFA)的工作人员对野生华南虎了一次调查统计之后,即断言华南虎从野外绝迹。
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The There are that ash tree might disappear and last unless the ination invasion is controlled.
很多人担心如果虫灾再无法控制,白蜡树就有可能会绝迹.
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迈克尔·贝与《变形金刚》已经密不可分:《变形金刚4:绝迹重生》&这部160分钟充满金属碰撞的视觉盛宴再次证明了这一点。
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While in the plain area, east of Jing-Guang railway the sandflies can be hardly found.
在铁路以东平原地区, 白蛉基本绝迹,即使有病例输入,也似无潜伏期传播的危险.
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马达加斯加岛因岛上的稀有动物而闻名,尤其是世界其他地方已绝迹的灵长类动物——狐猴。
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He was a novelist of a sort that scarcely exists anymore: a serious, highbrow entertainer.
他这一类型的小说家几乎已绝迹: 一个严肃 、 博学的娱乐作家.
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Herbalism had become an all but extinct skill in the Western world.
草药医术在西方已经成了一门几乎绝迹的技艺。
《柯林斯高阶英汉双解学习词典》
The type, found under all dictatorships is not extinct today, present also in democracies.
这类人, 现今在所有的独裁体制中仍未绝迹, 在民主国家也同样存在.
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Advent of bear market, the market panic, but the market did not account " disappeared. "
熊市来临, 市场惊恐, 但开户入市者并未 “ 绝迹 ” .
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Larry Crowder of Duke University told the meeting that leatherbacks are quickly disappearing.
杜克大学的拉里?克劳德在大会上指出,棱皮龟很快会绝迹.
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An almost extinct species of extra wide pitons . Now, large chocks are usually used instead.
一种几乎绝迹的宽岩钉, 现已经被大形岩楔取代.
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