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O哆哆o新蟲 (著名寫手)
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[求助]
大神幫幫忙
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第一篇：An enantioselective, intermolecular dehydrogenative Heck arylation of trisubstituted alkenes to construct remote quaternary stereocenters has been developed. Using a new chiral pyridine oxazoline ligand, good to high enantioselectivity is achieved for various combinations of indole derivatives and trisubstituted alkenes. However, some combinations of substrates led to lower enantioselectivity, which provided the impetus to use structure enantioselectivity correlations to design a better performing ligand. 第二篇：We have developed an efficient strategy for the production of stable β-palladium hydride (PdH0.43) nanocrystals with controllable shapes and remarkable stability. The as-synthesized PdH0.43 nanocrystals showed impressive stability in air at room temperature for over 10 months, which has enabled the investigation of their catalytic property for the first time. The prepared PdH0.43 nanocrystals served as highly efficient catalysts in the oxidation of methanol, showing higher activity than their Pd counterparts. These studies opened a door for further exploration of β-palladium hydride-based nanomaterials as a new class of promising catalytic materials and beyond. 翻譯請注明，第幾篇，多謝多謝 |
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jnxybsf
金蟲 (正式寫手)
- 翻譯EPI: 15
- 應(yīng)助: 0 (幼兒園)
- 金幣: 1305.4
- 散金: 73
- 紅花: 4
- 沙發(fā): 1
- 帖子: 582
- 在線: 81.8小時
- 蟲號: 2042949
- 注冊: 2012-10-04
- 專業(yè): 元素化學(xué)
【答案】應(yīng)助回帖
★ ★ ★ ★ ★ ★ ★ ★ ★ ★
O哆哆o: 金幣+10, ★★★很有幫助 2015-12-13 10:37:07
O哆哆o: 金幣+10, ★★★很有幫助 2015-12-13 10:37:07
| 我們開發(fā)了一種用來生產(chǎn)具有可控形貌和i良好穩(wěn)定性的pdH0.43納米晶的有效方法。原位合成的pdH0.43納米晶表現(xiàn)出非常好的穩(wěn)定性，室溫下可在空氣中放置十個月以上，這使它們的催化性能得以首次研究。在甲醇的氧化反應(yīng)中，pdH0.43納米晶作為高效催化劑比pd納米晶表現(xiàn)出更高的活性。該項研究為進一步探索β-palladium hydride(β-氰化鈀？)系列納米晶作為一種前景可觀的催化材料奠定了基礎(chǔ)。 第二篇 外行 請多指教 |
2樓2015-12-13 01:25:16
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