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已读[135] 发布: 2013/06/23 14:16:49
混凝土防冻剂是结合冬施气温条件,可以加速混凝土负温条件下的凝结和硬化,强度增长明显并且不影响后期强度的发展,无氯盐避免了钢筋锈蚀,提高了混凝土的耐久性。混凝土防冻剂可应用于工业、民用建筑、构件、公路、桥梁砼中。 一、混凝土防冻剂技术性能: 1、混凝土防冻剂为复合产品,...
已读[143] 发布: 2013/06/23 14:16:46
但是其他液体(例如防冻剂、刹车液和变速箱液)和滤清器也需要定期的维护。因为随着时间的消逝,它们也会失去重要的性能――例如带走热量的能力、润滑的能力和抵御生锈和严寒的能力。 更换空气滤清器,帮助你的车更轻松的呼吸,并且让发动机寿命更持久。为了运转,发动机需要精确的燃料和空气的混合,...
已读[145] 发布: 2013/06/23 14:16:40
其二,建筑工程冬季施工造成的混凝土防冻剂释放的氨气污染。今年5月,济南市法院宣判的国内赔偿数额最大的室内环境污染人身损害案,就是由于业主住进了氨气污染的房子患上了严重的支气管炎,花费医疗费六万多元。虽然,...
已读[144] 发布: 2013/06/23 14:16:34
虽然,目前国家已经禁止使用含有氨气的混凝土防冻剂,但是,以前建筑的含有氨气的房屋氨气还在不断释放,特别是夏季高温季节,气味特别大。 其三,空调里面的生物污染。空调内部是个阴暗潮湿的环境,正适合螨虫、霉菌、病毒、“军团菌”生长繁殖。它们隐蔽在空调器内,不断通过循环气流进入室内空气中,...
已读[123] 发布: 2013/06/23 14:16:28
一旦他们被宣告不治,工作人员就会着手冷却遗体,同时利用机器保持他们体内的血液流动、注入防腐剂和防冻剂保护体内组织。如果只选择了冻存头颅,工作人员就会将他们的头切下,保存在零下196摄氏度的液态氮中。 波斯特伦拥有物理学和神经科学背景,...
已读[153] 发布: 2013/06/23 14:16:24
OzarksFirst.com SPRINGFIELD , Mo. - A Springfield woman is behind bars at the Greene County jail after she allegedly killed members of her own family, according to authorities. Diane Staudte, 51, has been charged with murder in the first degree for the death of Mark  ...
已读[140] 发布: 2013/06/23 14:16:20
Fort Mills Times A second Missouri woman has been charged with fatally poisoning two relatives and attempting to kill a third. The Springfield News-Leader ( http://is.gd/xEZ05e) reports that 22-year-old Rachel Staudte of Springfield was charged Saturday with two counts ...
已读[135] 发布: 2013/06/23 14:16:03
KWTX ... Accused Of Poisoning Husband, Children With Antifreeze . Print. SPRINGFIELD, Mo. (June 22, 2013)—A woman in southwest Missouri is accused of using antifreeze to her husband and son and daughter over a 14-month period, killing the husband ad son.
已读[146] 发布: 2013/06/23 14:15:59
KY3 Prosecutors say she admitting to killing her husband over a three-day period, putting antifreeze in his Gatorade. Her reason, she claimed, was that she hated him. She claimed she killed her son Shawn over a two-day period, by putting the antifreeze in ...
已读[141] 发布: 2013/06/23 14:15:55
Space Daily Antifreeze normally helps prevent freezing, but scientists find a common antifreeze compound that might exist on Saturn's largest moon Titan can get trapped within ice-like cages. This discovery could influence what researchers think is possible about ...
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