freepeople性欧美熟妇, 色戒完整版无删减158分钟hd, 无码精品国产vα在线观看DVD, 丰满少妇伦精品无码专区在线观看,艾栗栗与纹身男宾馆3p50分钟,国产AV片在线观看,黑人与美女高潮,18岁女RAPPERDISSSUBS,国产手机在机看影片

正文內(nèi)容

海洋生物型腸內(nèi)營(yíng)養(yǎng)制劑氮源重金屬含量研究(存儲(chǔ)版)

  

【正文】 料試驗(yàn)樣品及來(lái)源,見(jiàn)表1。近年來(lái),禽流感、口蹄疫、瘋牛病等禽畜類疫病頻發(fā),使陸源動(dòng)物原料存在極大的安全隱患。關(guān)鍵詞:腸內(nèi)營(yíng)養(yǎng)制劑;海洋動(dòng)物氮源;重金屬;含量study on the heavy metals content of marine animals act as the enteral nutrition nitrogen sourcewan penga,b,cai bing-naa,b,pan jian-yua,yang xiao-mana,b,dai wen-jina,b,chen huaa,b,chen de-kea,b,sun hui-lia,b(a.key laboratory of marine bio-resourses sustainable utilization/ south china sea institute of oceanology/ guangdong key laboratory of marine materia medica, guangzhou 510301, china; b.graduate university, chinese academy of sciences,beijing 100049, china)abstract: the heavy metals content of fifteen marine organisms from different south china sea area were investigated and the safety of using the marine organisms as enteral nutrition nitrogen source was evaluated. the results indicated that among the total fifteen samples, five samples were found exceeding the national standards in pb content and six samples were found exceeding the national standards in as content, but the hg content of all samples met the safety requirements of food and aquatic products. preliminary studies indicated that the content of heavy metals in acanthopagrus latus and lateolabrax japonicus did not exceed the standard from the south china sea area, they could be used as the high-quality nitrogen source of marine enteral nutrition. while shellfish as nitrogen source should be processed to control the heavy metals under the national standards.
點(diǎn)擊復(fù)制文檔內(nèi)容
環(huán)評(píng)公示相關(guān)推薦
文庫(kù)吧 www.dybbs8.com
備案圖鄂ICP備17016276號(hào)-1