Folklore research entails field trips, serve as secondary role. Writing of title, abstract and while textual study and circumstantial investigation merely keywords for folklore papers differs from that of other types ...Folklore research entails field trips, serve as secondary role. Writing of title, abstract and while textual study and circumstantial investigation merely keywords for folklore papers differs from that of other types of articles. Proceeding from writing strategies and linguistic features, the authors intend to share their experience with fellow researchers.展开更多
In the government work report for Two Sessions 2019, key words about E-commerce and internet were mentioned lots of times. This included terms such as Internet+, cross-border E-commerce,industrial internet, digital ec...In the government work report for Two Sessions 2019, key words about E-commerce and internet were mentioned lots of times. This included terms such as Internet+, cross-border E-commerce,industrial internet, digital economy,sharing economy, online and offline consumption, Internet+education and soon.Keywords No.1:Internet+Work Report:1. Internet+was advanced across the board and new technologies and models were used to transform traditional industries. 2. We will speed up efforts to pursue Internet+in all industries and sectors.展开更多
2-(4-Hydroxyphenyl)-3-hydroxymethyl-1,4-benzodioxane-6-aldehyde 8,the key intermediate of sinaiticin 10,was synthesized in 6 step from caffeic acid 4 and 4- hydroxybenzsaldehyde 1.the coupling reaction is the key step.
A key intermediate of cembranolides--(E,E,E,E)- 2,6,10,14- tetramethyl- 8-benzenesulfonyl- 2,6,10,14- tetraen-1,16- hexadecadiol was synthesized from geraniol and linalool through six steps.
25-Hydroxycholesterol, which is an important intermediate for the synthesis of 25-hvdroxyvitamin D_3 and 1α, 25-dihydroxyvitamin D_3, was prepared efficiently from hyodeoxycholic acid in 31% overall yield in seven st...25-Hydroxycholesterol, which is an important intermediate for the synthesis of 25-hvdroxyvitamin D_3 and 1α, 25-dihydroxyvitamin D_3, was prepared efficiently from hyodeoxycholic acid in 31% overall yield in seven steps.展开更多
The key intermediate 5 for synthesis of the contragestationally active diterpenoid grandiflorenic acid(1)and its analogues 2 and 3 was prepared and an acetyl transposition reaction occurred in the SeO_2 oxida- tion of 8.
Titles、Abstracts and Key Words(1 th) Lu Guoyao A Brief Comment on "Documentary Linguistics"Abstract: Two thousand and five hundred years ago, Confucius attached great importance to "Document". We ...Titles、Abstracts and Key Words(1 th) Lu Guoyao A Brief Comment on "Documentary Linguistics"Abstract: Two thousand and five hundred years ago, Confucius attached great importance to "Document". We suggest that knowledge that regards both literature and oral material as the major resources should be respected. These knowledge interrelates and completes each other.展开更多
文摘Folklore research entails field trips, serve as secondary role. Writing of title, abstract and while textual study and circumstantial investigation merely keywords for folklore papers differs from that of other types of articles. Proceeding from writing strategies and linguistic features, the authors intend to share their experience with fellow researchers.
文摘In the government work report for Two Sessions 2019, key words about E-commerce and internet were mentioned lots of times. This included terms such as Internet+, cross-border E-commerce,industrial internet, digital economy,sharing economy, online and offline consumption, Internet+education and soon.Keywords No.1:Internet+Work Report:1. Internet+was advanced across the board and new technologies and models were used to transform traditional industries. 2. We will speed up efforts to pursue Internet+in all industries and sectors.
文摘2-(4-Hydroxyphenyl)-3-hydroxymethyl-1,4-benzodioxane-6-aldehyde 8,the key intermediate of sinaiticin 10,was synthesized in 6 step from caffeic acid 4 and 4- hydroxybenzsaldehyde 1.the coupling reaction is the key step.
文摘A key intermediate of cembranolides--(E,E,E,E)- 2,6,10,14- tetramethyl- 8-benzenesulfonyl- 2,6,10,14- tetraen-1,16- hexadecadiol was synthesized from geraniol and linalool through six steps.
文摘25-Hydroxycholesterol, which is an important intermediate for the synthesis of 25-hvdroxyvitamin D_3 and 1α, 25-dihydroxyvitamin D_3, was prepared efficiently from hyodeoxycholic acid in 31% overall yield in seven steps.
文摘The key intermediate 5 for synthesis of the contragestationally active diterpenoid grandiflorenic acid(1)and its analogues 2 and 3 was prepared and an acetyl transposition reaction occurred in the SeO_2 oxida- tion of 8.
文摘Titles、Abstracts and Key Words(1 th) Lu Guoyao A Brief Comment on "Documentary Linguistics"Abstract: Two thousand and five hundred years ago, Confucius attached great importance to "Document". We suggest that knowledge that regards both literature and oral material as the major resources should be respected. These knowledge interrelates and completes each other.
