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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク First German phosgene attack on British troops ： ウィキペディア英語版 First German phosgene attack on British troops (詳細はWorld War I, at Wieltje north-east of Ypres in Belgian Flanders. German gas attacks on allied troops had begun on 22 April 1915, during the Second Battle of Ypres using chlorine gas, against French and Canadian units. The surprise led to the capture of much of the Ypres Salient, after which the effectiveness of gas as a weapon diminished, as the French and British produced anti-gas helmets. The German Nernst-Duisberg-Commission investigated the feasibility of adding the much more lethal phosgene to chlorine gas. Mixed chlorine and phosgene gas was used at the end of May 1915, in attacks against French troops on the Western Front and on the Eastern Front against the Russian army. In December 1915, the 4th Army used the mixture of chlorine and phosgene against British troops on the Western Front in Flanders during an attack at Wieltje near Ypres. Before the attack, the British had taken a prisoner who disclosed the plan and had also gleaned information from other sources, which had led to the divisions of VI Corps being alerted from 15 December. The gas discharge on 19 December was accompanied by German raiding parties, most of which were engaged with small-arms fire while attempting to cross no-man's land. British anti-gas precautions prevented a panic or a collapse of the defence, even though British anti-gas helmets had not been treated to repel phosgene. Only the 49th Division had a large number of gas casualties, caused by soldiers in reserve lines not being warned of the gas in time to put on their helmets. A study by British medical authorities, arrived at a figure of casualties, of whom died. After the operation, the Germans concluded that a breakthrough could not be achieved solely by the use of gas. ==Background== 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「First German phosgene attack on British troops」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.