《木材含水率试验法.ppt》由会员分享，可在线阅读，更多相关《木材含水率试验法.ppt（20页珍藏版）》请在三一办公上搜索。
1、Introduction to Food Engineering,Practice#1 Measurement of ViscosityPractice#2 Evaluation of Centrifugal PumpPractice#3 Measurement of Air Velocity&Pressure,CNS Moisture Content Measurement,No.452木材含水率試驗法No.3443乳品檢驗法(水分之測定)No.5033食品中水份之檢驗方法No.6258肉及肉製品檢驗法水分定量法No.6501肥料檢驗法(水分之測定)No.6947木漿用材水分試驗法No.70
2、70香辛料及調味料之檢驗法水分含量之測定No.8152綠(生)咖啡水分含量測定法(基礎參考法)No.8153綠(生)咖啡水分含量測定法(常用法).,AOAC International,The AOAC International is a non-profit scientific association with headquarters in Gaithersburg,Maryland,USA.It publishes standardized,chemical analysis methods designed to increase confidence in results of
3、chemical and microbiologic analyses.Government agencies and civil organizations often require that laboratories use official AOAC methods.,History of AOAC International,The AOAC International,informally the AOAC,was founded on 8 September 1884 as the Association of Official Agricultural Chemists,by
4、the United States Department of Agriculture,to establish uniform chemical analysis methods for analyzing fertilizers.In 1965,the AOACs name changed to Association of Official Analytical Chemists to accurately reflect its scope beyond agriculture.In 1991,it was renamed as the AOAC International.AOAC
5、as an Association of Analytical Communities.,Accuracy&Precision,In the fields of science,engineering,industry and statistics,accuracy is the degree of closeness of a measured or calculated quantity to its actual(true)value.Precision,also called reproducibility or repeatability,the degree to which fu
6、rther measurements or calculations show the same or similar results.The results of calculations or a measurement can be accurate but not precise;precise but not accurate;neither;or both.,Quantifying Accuracy and Precision,Accuracy versus Precision(The Target Analogy),High accuracy,but low precision,
7、precision,but low accuracy,魚 腥 草,學名：Houttuynia cordata.科名：三白草科(Saururaceae)、蕺菜屬(Houttuynia)別名：臭嗟草、臭臊草(台灣)、肺形草、側耳根、坪岑草、蕺、菹菜，紫背魚腥草、紫蕺、菹子、臭豬巢、豬鼻孔、九節蓮、折耳根、臭腥草、狗貼耳蕺菜、蕺兒根、摘兒根。產地：中國、日本到東南亞各國及台灣全島都有分布（李等，2006）。分佈：生於溝邊、溪邊及潮濕的疏林下。,圖二、魚腥草的形態(張，1995),圖一、魚腥草的一年成長變化(張，1995),本草綱目記載,紫蘇魚腥草茶,癸醯乙醛月桂醛甲基正壬基甲酮 a-派烯樟烯月桂烯檸檬烯丁香烯阿福豆苷,金絲桃苷芸香苷芳樟醇 b-谷甾醇乙酸龍腦酯綠原酸硬脂酸油酸亞油酸,魚腥草之揮發性精油,
