In heavy concentrations, ozone is irritating to the eyes, nose and throat.高浓度的臭氧会对眼睛、鼻子和咽喉有刺激作用。Large concentrations of capital were in the hands of merchants.大量资本集中在商人手里.The latest data showed that global ozone concentr...
Barium is found in some oilfield brines in concentrations greater than 100 mg / litre.在有些油田卤水中,钡的浓度大于100毫克/升.At lower concentrations they may even be stimulants of cell division.在浓度较低时,它们甚至能促进细胞分裂.Methods Three different...
Methods � � - Ty - Folate was synthesized by conjugating folic acid to tyrosine methyl ester through EDC and hydrolyzing.方法 叶酸(Folate) 与酪氨酸甲酯通过EDC连接,水解后生成叶酸酪氨酸复合物(γTyFolate)....
It is always completely alleviated by total gastrectomy.全胃切除永远完全缓解症状.Objective : To evaluate laparoscopy assisted radical gastrectomy for early gastric cancer.目的: 探讨腹腔镜早期胃癌根治性手术的临床应用价值.Result Subtotal gastrectomy includi...
You owe me five far things , say the bells of St Martins.你欠我五法辛,圣玛汀的钟声说.The Martins sold their house for about 1.4 million pounds...马丁夫妇把他们的房子卖了 140 万英镑。The Martins sold their house for about 1.4 million pounds.马丁夫妇把他们的房...
By adopting equiscalar loading to determine the large pollution sources, and proposed the harness countermeasures.在此基础上,结合支流底质及非点污染源的实况, 提出了相应的防治对策.Countermeasures: join waxes cocatalyst so that the ink stick are shorter...