ChemExper 點擊訪問
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| 標簽 | 內容長度 | 內容 | 優化建議 |
| 標題（Title） | 9個字符 | ChemExper | 一般不超過80個字符 |
| 關鍵詞（KeyWords） | 268個字符 | chemicals information, chemicals directory, chemicals suppliers, chemicals database, catalog, supplier, molecules, structure, chemical, directory, organic, chemistry, MSDS, laboratory, notebook, substructure, database, safety, temperature, boiling point, melting point | 一般不超過100個字符 |
| 描述（Description） | 506個字符 | ChemExper is a company joining together the areas of chemistry, computer science and telecommunication. The ChemExper Chemical Directory is a free service that allows to find a chemical by its molecular formula, IUPAC name, common name, CAS number, catalog number, substructure or physical characteristics as well as chemical suppliers. This database contains currently more than 10 millions chemicals, 16000 MSDS, 10000 IR spectra and more than 2000 chemical suppliers. You may also SUBMIT your own data! | 一般不超過200個字符 |
| 關鍵詞 | 出現頻率 | lmcjl排名 | 百度排名 | 搜狗排名 | 360排名 | 頭條排名 | 匹配關鍵詞 | 競爭域名 |
| chemicals | 24 | 查詢 | 查詢 | 查詢 | 查詢 | 查詢 | 挖掘 | 查看 |
| information | 68 | 查詢 | 查詢 | 查詢 | 查詢 | 查詢 | 挖掘 | 查看 |
| directory | 100 | 查詢 | 查詢 | 查詢 | 查詢 | 查詢 | 挖掘 | 查看 |
| suppliers | 121 | 查詢 | 查詢 | 查詢 | 查詢 | 查詢 | 挖掘 | 查看 |
| database | 41 | 查詢 | 查詢 | 查詢 | 查詢 | 查詢 | 挖掘 | 查看 |
| catalog | 6 | 查詢 | 查詢 | 查詢 | 查詢 | 查詢 | 挖掘 | 查看 |
| supplier | 81 | 查詢 | 查詢 | 查詢 | 查詢 | 查詢 | 挖掘 | 查看 |
| molecules | 2 | 查詢 | 查詢 | 查詢 | 查詢 | 查詢 | 挖掘 | 查看 |
| structure | 5 | 查詢 | 查詢 | 查詢 | 查詢 | 查詢 | 挖掘 | 查看 |
| chemical | 45 | 查詢 | 查詢 | 查詢 | 查詢 | 查詢 | 挖掘 | 查看 |
| organic | 10 | 查詢 | 查詢 | 查詢 | 查詢 | 查詢 | 挖掘 | 查看 |
| chemistry | 8 | 查詢 | 查詢 | 查詢 | 查詢 | 查詢 | 挖掘 | 查看 |
| MSDS | 8 | 查詢 | 查詢 | 查詢 | 查詢 | 查詢 | 挖掘 | 查看 |
| laboratory | 10 | 查詢 | 查詢 | 查詢 | 查詢 | 查詢 | 挖掘 | 查看 |
| notebook | 5 | 查詢 | 查詢 | 查詢 | 查詢 | 查詢 | 挖掘 | 查看 |
| substructure | 1 | 查詢 | 查詢 | 查詢 | 查詢 | 查詢 | 挖掘 | 查看 |
| safety | 35 | 查詢 | 查詢 | 查詢 | 查詢 | 查詢 | 挖掘 | 查看 |
| temperature | 25 | 查詢 | 查詢 | 查詢 | 查詢 | 查詢 | 挖掘 | 查看 |
| boiling | 1 | 查詢 | 查詢 | 查詢 | 查詢 | 查詢 | 挖掘 | 查看 |
| point | 6 | 查詢 | 查詢 | 查詢 | 查詢 | 查詢 | 挖掘 | 查看 |
| melting | 1 | 查詢 | 查詢 | 查詢 | 查詢 | 查詢 | 挖掘 | 查看 |
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