The platinum palladium mine at somewhere in Yunnan province is so far China's revealed the largest independent platinum group metals ore deposit.
云南某地铂钯矿是迄今已探明的中国最大的铂族金属矿床。
The catalyst used is one three-metal system including palladium chloride, ferric chloride and the chloride of one first main group element.
所用的催化剂是由氯化钯和三氯化铁加上第一主族元素的氯化物中的一种组成三金属体系。
Various aryl triflates, bearing ketone or aldehyde groups, were evaluated for palladium-mediated introduction of an amino group at the triflate position in the presence of various phosphine ligands.
各种含有酮或醛的芳基三氟甲磺酸酯在催化量的钯和膦配体的存在下与胺或酰胺发生取代反应。
Various aryl triflates, bearing ketone or aldehyde groups, were evaluated for palladium-mediated introduction of an amino group at the triflate position in the presence of various phosphine ligands.
各种含有酮或醛的芳基三氟甲磺酸酯在催化量的钯和膦配体的存在下与胺或酰胺发生取代反应。
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