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研究生:洪傳儀
研究生(外文):HONG, CHUAN YI
論文名稱:生牛乳乳脂率與比重檢測裝置之研製
論文名稱(外文):Development on Instrument for Measuring Fat and Gravity of Raw Bovine Milk
指導教授:林 聖 泉
指導教授(外文):Chung-Teh Sheng
學位類別:碩士
校院名稱:國立中興大學
系所名稱:農業機械工程學系
學門:工程學門
學類:機械工程學類
論文種類:學術論文
論文出版年:1998
畢業學年度:86
語文別:中文
論文頁數:2
中文關鍵詞:生牛乳乳脂率生牛乳比重近紅外線
外文關鍵詞:fat of raw bovine milkgravity of raw bovine milknear-infrared
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摘要本研究利用近紅外線對物質的吸收特性理論,應用文獻所提供的資料
作為研製儀器的設計參考,進行生牛乳乳脂率及比重量測儀器設計與製造
。由研究成果證明,本研究自行設計製造之紅外線檢測裝置對於本校畜牧
場與東海大學乳品加工廠之生牛乳乳脂率與比重,皆有很好的檢測效果;
生牛乳乳脂率迴歸方程式的相關係數r =0.97,校正標準偏差(
SEC)=0.263%,驗証組的實際值與預測值之相關係數r =0.99,驗証標準偏
差(SEP)=0.3%;生牛乳比重迴歸方程式的相關係數r =0.96,校正標準偏
差(SEC) = 0.00158,驗証組的實際值與預測值之相關係數r =0.95,驗証
標準偏差(SEP)=0由整個實驗結果可知,本研究採用此種檢測方式是可行
的,且整體儀器價位低廉,確已達到部份實驗目標。目前在量測精確度方
面,雖未達到實用階段,但繼續改良提高各組件精度將可達到實用目的。

ABSTRACTBy applying the property of near-infrared absorbed by
different substances, an instrument for measuring gravity and
fat of raw bovine milk had been developed in this study; the
significant wavelengths used in the instrument were provided by
the literature. Using the instrument to measure the fat and
gravity of raw bovine milk which came from Chunghsing pasture
and Tunghai Milk Factory, the results showed that:To the fat of
milk: The correlation coefficient of the regression equation
was 0.97 and SEC was 0.263%. Using this equation to estimate
the fat for another group of milk, its correlation coefficient
was 0.99 and its SEP was 0.3%.To the gravity of milk: The
correlation coefficient of the regression equation was 0.96 and
SEC was 0.00158. Similarly, using this equation to estimate the
gravity for another group of milk, its correlation coefficient
was 0.95 and its SEP was 0.00169. The approach proposed by this
study was shown to be worked with quite cheap price. The
objective of this study had been reached. In regard to the
accuracy of the instrument, more work needs to be done.
However, by keeping improving the accuracy of each part of the
instrument, we believe that the instrument will be more
practical.

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