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    sci大類分區小類分區是什么意思

    時間:2019年06月24日 所屬分類:新聞中心 點擊次數:

    sci有大類分區和小類分區,而很多投稿者并不清楚這分別是什么意思,期刊之家小編介紹:sci期刊分區主要是鼓勵科研學者向本學科的高級區域進行投稿,而大類分區小類分區主要說的是中科院期刊分區,這也是被更多的機構采納的科研評價標準,大家也需要注意一本

      sci有大類分區和小類分區,而很多投稿者并不清楚這分別是什么意思,期刊之家小編介紹:sci期刊分區主要是鼓勵科研學者向本學科的高級區域進行投稿,而大類分區小類分區主要說的是中科院期刊分區,這也是被更多的機構采納的科研評價標準,大家也需要注意一本期刊只可屬于一個大類學科,但是一本期刊可以屬于多個不同的小類學科。

    sci期刊分區

      sci期刊大類分區和小類分區學科劃分:

      大類學科:醫學、生物、農林科學、環境科學與生態學、化學、工程技術、數學、物理、地學、地學天文、社會科學、管理科學及綜合性期刊,共13個大類。小類學科:即JCR學科分類體系Journal Ranking確定的176個學科領域。比如Advanced Materials期刊,只屬于“工程技術”的大類學科,但能細分為5個小類學科。

      sci期刊分區方法:

      中科院期刊分區依據也是基于一個期刊的影響因子,具體方法:根據13個大類學科,分別將各大類的SCI期刊由3年平均影響因子劃分為1區(最高區)、2區、3區和4區四個等級。中科院分區的1區到4區的期刊數量不等,呈金字塔狀分布。前5%為該類1區、6%~20% 為2區、21%~50%為3區,其余為4區。

      大家也需要明白中科院JCR分區與湯森路透JCR分區是有不同的,湯森路透JCR的Journal Ranking沒有設置大類學科,只分為176個具體學科,也就是中科院分區表中所指的小類學科。Journal Ranking以當年的影響因子為基礎,每個學科分類按照期刊的當年的影響因子高低,平均分為Q1、Q2、Q3和Q4四個區。

      以上就是期刊之家小編給大家介紹的sci大類分區和小類分區,總體說來就是我們常說的sci1區、2區、3區,4區,一般而言,發表在1區和2區的SCI論文,通常被認為是該學科領域的比較重要的成果,當然投稿難度也是比較大的,而3區、4區的刊物投稿難度比較小,想要發表sci論文可以隨時與該站的老師進行聯系,幫助您投稿。

      

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