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1)  internal contact zone
内接触带
1.
The Qianping poly-metallic ore deposits mainly occur in NNE rifting belt of the internal contact zone of the“Qianping intrusions”and contain such major industrial mineral types as lead,zinc,copper,silver and iron.
前坪多金属矿床主要赋存于“前坪岩体”内接触带北北东断裂带上,主要工业矿种有铅、锌、铜、银、铁等。
2)  the inner and the outer contact zone
内外接触带
3)  contact zone
接触带
1.
This paper mainly deals with the types of ore-controlling structures and their space distribution,the features and occurrence of contact zone,the relations between the contact zone and metallization,as well as the emplacement mechanism of ore formation in Daye iron mine.
大冶铁矿主矿体分布于燕山期闪长岩与下三叠统大冶群大理岩和白云质大理岩接触断裂复合带,该接触带是大冶铁矿矿床的主要控矿构造。
2.
When the Tunneling Boring Machine (TBM) passing through the contact zones between slate and carbonate, engineering geological problems emerged.
在穿越隔水板岩和透水碳酸盐岩间接触带时,隧道施工将遇到一系列工程地质问题,这对地质条件适应性较传统钻爆法差的TBM掘进来说尤为突出。
3.
Juma mineral water occurs in the contact zone of diorite porphyrite and skarn rock in theFutuyu copper mining area of Laiyuan County,Hebei Province.
通过4个月实地和近3年的追踪观测,查明拒马矿泉水产于涞源县浮图峪铜矿区的闪长玢岩与夕卡岩接触带中。
4)  exocontact
外接触带
1.
In Yanshan time,the acid magma intruded into the middle part of marble,Shoushangou Formation,late Permian,Huadian area,that resulted in contact thermometamorphism and contact metasomatic metamorphism,and formed skarn Mo deposit in the exocontact of skarn,the orebody is in accordance with the strutigraphic occurrence.
燕山期酸性岩浆侵入桦甸地区晚二叠世寿山沟组中部大理岩内,发生了接触热变质和接触交代变质作用,在矽卡岩外接触带中形成矽卡岩型钼矿床,矿体与地层产状一致。
5)  head-to-tape contact
头带接触
6)  phase contact
相接触带
补充资料:-戊内酯、3-甲基丁内酯、咖吗-戊内酯
CAS: 108-29-2
分子式: C5H8O2
分子质量: 100.12
沸点: 207-208℃
熔点: -31-208℃

中文名称: 4-戊内酯、γ-戊内酯、3-甲基丁内酯、咖吗-戊内酯

英文名称: dihydro-5-methyl-2(3H)-Furanone、dihydro-5-methyl-2(3h)-furanon、4-hydroxypentanoic acid lactone、4-hydroxyvaleric acid lactone、4-methyl-gamma-butyrolactone、gamma-methyl-gamma-butyrolactone、gamma-valerolakton

性质描述: 无色至微黄色液体。凝固点-31℃,沸点205-206.5℃,83-84℃(1.73kPa),相对密度(25/25℃)1.0578,折光率(nD25)1.4301。能与水、许多有机溶剂、树脂和蜡等混溶。10%水溶液的pH为4.2。

生产方法: 由不饱和羧酸通过闭环反应来合成,例如乙酰乙酸与硫酸共热,或乙酰丙酸在镍、铜等催化剂存在下加氢。

用途: γ-戊内酯有较强的反应能力,可用作树脂溶剂及各种有关化合物的中间体。也用作润滑剂、增塑剂、非离子型表面活性剂的胶凝剂、加铅汽油的内酯类添加剂,用于纤维素酯和合成纤维的染色。γ-戊内酯具有香兰素和椰子香味。我国GB2760-86规定为允许使用的食用香料。主要用以配制桃、椰子、香草等型香精。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条