Sucrose - 6 - acetate is the key intermediate for synthesizing trichlorosucrose as sweetening agent.蔗糖-6-乙酸酯是合成甜味剂三氯蔗糖的关键中间体.A new route for preparation and hydrolyzation of octa - O - benzyl sucrose was described in thi...
This collotype of the Mona Lisa is exquisitely printed.这幅珂罗版的《蒙娜丽莎》,印刷相当精美.The reproduction of and paintings by collotype printing can obtain a high fidelity.采用珂王罗版印刷方式复制字画可达到还原逼真的艺术效果....
She let loose a Niagara of billingsgate.她破口大骂不止.The railway company extended a branch line to Brightlingsea to convey fish direct to Billingsgate.铁路公司修建了一条通往布赖特灵西的支线，以便直接将鱼运送到比林斯门。...