Objective The establishment carbonizes - the acid in the solution determination Chinese chestnut � � s lead, thecadmium content.目的:建立碳化 - 酸溶消解法测定板栗中的铅 、 镉含量的方法....
There's something about the Loire Valley that makes you want to savour every moment.卢瓦尔山谷有某种特殊气息，让人想要充分享受在这里的每时每刻。One of the most scenic areas of central France is Loire Valley.法国中部最优美的地区是卢瓦尔河流域.The top wine - produ...
Stuart Tannahill's shed is a veritable hive of photographic creativity.斯图尔特·坦纳希尔的小屋是个名副其实的摄影创意中心。The wrong chemical balance can cause severe distortion of the photographic image.化学药水不合比例可引致摄影图像的严重失真。The photographic...