itrogen-containing compounds are essential to life. Their ultimate source is atmo- spheric nitrogen which, by a process known as nitroge. nitrogen fixation, is reduce ced to ammonia, then converted to organic nitrogen compounds. This chapter describes the chemistry of amines, organic derivatives of ammonia. Alkylamines have their nitro- gen attached to sp'-hybridized carbon; arylamines have their nitrogen attached to an sp2-hybridized carbon of a benzene or benzene-like ring

FOUR COLONY MODELS (4) Model of Pennsylvania(Quaker founder: William Penn seeking a place for their religious belief which included people contact directly with God, the inner light, God is in everyone's soul simple but productive life, thrifty and self-denial)

Consumer satisfaction is related to fresh product quality. This quality is generally associated with visual appearance, colour being one of the most important aspects in the consumer's purchase decision. The association of certain colours with the acceptance of fruits and vegetables begins early and is maintained through life. For instance, when the red colour of fruit is enhanced, the perceived sweetness level increases. Colour is normally used to determine

Modified Atmospheric Packaging(MAP)is a precise description of this shelf- life extension technique (Bennett 1995). In the UK, MAP mainly involves the use of three gases-carbon dioxide, nitrogen and oxygen although other gases are used elsewhere. Products are packed in various combinations of these three gases depending on the physical and chemical properties of the food

6.1 Introduction The modern food industry is called on to deliver seemingly contradictory market demands. On the one hand consumers want improved safety and sensory quality, together with increased nutritional properties, extended shelf-life and convenience in preparation and use. On the other they want food with a traditional, wholesome image, with less processing and fewer additives

Epidemiology of CHD Prevalence CHD occurs in 0.5-0.8% of live births; The incidence is higher among stillborns 死产(3-4%), abortuses流产(10-25%),and premature infants (about 2% excluding PDA); About 2-3 in 1,000 newborn infants will be symptomatic with heart disease in the first year of life

According to a survey and my own observation young people today are more consumeristic and less idealistic. The college students'major objective \is to be financially well off.\ Less important than ever is developing a meaningful philosophy of life. It is true that we need to be financially comfortable, but we also need to feel we have perspective on the world beyond the confines of our occupation It is the duty of educational institutions to help people get a better understanding

Teaching points I. Background information II. Introduction to the passage III. Text analysis IV rhetorical devices V. Questions for discussion

1. Living matter is composed mostly of the lighter elements 1.1 The composition of living matter is strikingly different from that of its physical environment(1810s) 1.2 The elements found in living organisms also exist in nature(especially in seawater and atmosphere)

8.1 Keynesian consumption function 8.2 A simple two-period model 8.3 Consumption theory after Keynes Permanent-income Hypothesis Life-style Hypothesis 8.4 Real interest& decision-making- between consumption and saving