1.【化】甲叉,甲撑,亚甲(基)
1.a bivalent group of atoms derived from methane.
1.relating to the group of atoms derived from methane containing one carbon atom and two hydrogen atoms
1.This article is a study of methylene chloride as a substitute for trichlorofluoromethane in producing flexible polyurethane foam.
讨论了用二氯甲烷替代一氟三氯甲烷进行软质聚氨酯泡沫塑料的生产。
2.One of the hydrogen atoms of the active methylene group is replaced with a cyclooxy group .
活性亚甲基上的一个氢原子是被环氧基所取代的。
3.It requires the extraction in chloroform of an ion-pair formed between thiocyanate ions and methylene blue in acidic medium.
它要求在氯仿萃取的离子对之间形成硫氰酸离子和亚甲蓝在酸性介质。
4.The genetic polymorphisms due to mutations in the methylene tetrahydrofolate reductase gene may increase the risk for NTDs.
亚甲基四氢叶酸还原酶基因突变导致的遗传多态现象可增加神经管缺陷（NTD）发生的危险性。
5.Cyanuric acid, N, N'-methylene-bis-acrylamide and hexamethylene tetramine have sensitization effect for radiation crosslinking of PVA.
三聚氰酸、N，N’-亚甲基双丙烯酰胺和六次甲基四胺等对PVA水溶液的辐射交联有敏化作用，可使凝胶剂量降低。
6.Antioxidative effect of carotenoids on the methylene blue sensitized photooxidation of soybean oil and rapeseed oil was investigated.
采用亚甲基蓝作光敏剂，研究了类胡萝卜素在豆油、菜油中的抗油脂光敏氧化作用。
7.abstract: Objective To evaluate the role of ultrasound guidance for methylene blue stain in localization of non-palpable breast lesions.
目的探讨超声引导下术前美蓝着色定位在触诊阴性乳腺病变的临床应用价值。
8.Unplasticized PVC pipes. Determination of the resistance to methylene chloride.
未增塑聚氯乙烯管.耐二氯甲烷性能的测定
9.The instillation of methylene blue into the esophagus during bronchoscopy is a useful diagnostic method.
藉由直接经食道注射甲基蓝之支气管镜术为一可行的诊断方法。
10.Objective To investigate the methylene blue staining exploration ischial rectal abscess in the mouth of practicality and safety.
目的探讨美兰染色法探查坐骨直肠窝脓肿内口的实用性和安全性。