C表示粗型沥青混合料，就是corse；F表示细型沥青混合料，就是fine。两者的划分是根据关键筛孔的通过率...
GAST气动马达4AM-FRV-13C美国原装叶片式气动马达 价格 ￥2280.00 ￥2180.00 ￥2080.00 起订量 1件起批 2件起批 3件起批 货源所属商家已经过真实性核验 发货地 江苏 无锡 所属类目 电工电气;气动元件;气动马达 产品标签 GAST气动马达;叶片式气动马达;美国原装马达 获取底价 查看电话 在线咨询 苏...
EIM (embedded ion method), cluster, combined EIM/cluster, and isolated molecule 13C and 15N chemical shielding and quadrupolar coupling constant (QCC) calculations at the B3LYP level with D95**, D95++**, 6-311G**, and 6-311+G** basis sets were done on the amino acids l-alanine, l...
87Sr/86Sr, Delta13C and Delta18O evolution of Phanerozoic seawater 87sr/86sr, delta13c and delta18o evolution of phanerozoic seawater J Veizer 被引量: 116发表: 1999年 The Influence of Bioturbation on Iron and Sulphur Cycling in Marine Sediments: A Model Analysis G., and Strauss, H.: ...
A detailed analysis of the 1 H and 13 C NMR spectra of C-2 aryl and alkyl/desalkyl substituted isomeric exo - and endo -5-methylbicyclo[3.2.1]octane-6,8-diones is presented. The chemical shift of the C-5 angular methyl, the C-2 alkyl/olefinic (C-10)/C-2 methine protons, the ...
OBJECTIVE: To assess the 13C-octanoic acid breath test for determining gastric emptying in dogs. ANIMALS: 6 healthy adult dogs. PROCEDURE: Food was withheld for 12 hours before each test. Expired air was collected 30 minutes and immediately before each test and at frequent intervals thereafter ...
MICRO PANEL-725-1016-01 FCA016M-13C-02 在工业生产过程中,大量的开关量顺序控制,它按照逻辑条件进行顺序动作,并按照逻辑关系进行连锁保护动作的控制,及大量离散量的数据采集。传统上,这些功能是通过气动或电气控制系统来实现的。1968年美国GM(通用汽车)公司提出取代继电气控制装置的要求,第二年,美国数字公司研制出...
3 stars: 0% 2 stars: 1% 1 star: 0% 2 Years UpdateEU UK US SHIPOBDSTAR X300 DP Plus C Configuration X300 PAD2 Full Version with Free Key SIM & FCA 12+8 Adapter & NISSAN-40 BCM Cable $1,300 Item No. SP326 Out Of Stock
货运代理的基本术语有EXW,FCA,FAS,FOB,CFR,CIF,CPT,CIP,DAF,DES,DEQ,DDU,DDP。 这13种贸易术语,从左至右,卖方的义务越来越大,买方的反之。也就是说,上述贸易术语中,EXW术语下卖方承担最小责任,而DDP术语下卖方承担最大责任。...
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