Judul: Pengaruh Program Siaran Radio Pertanian Ciawi Bagi Pendengarnya (Kasus Pendengar di Desa Cileungsi, Kecamatan Ciawi, Kabupaten Bogor)
Abstrak: This research aimed to analize the influence of radio programs towards listeners. These research goals are: (1) to analyze listeners exposure towards radio programs and it’s assessment towards radio programs (2) to analyze factors that effect radio programs exposures towards listeners and the assessment of radio programs by listeners (3) to analyze the influence of radio programs towards listeners and factors that influencing it. The result show that listeners exposure towards radio programs and it’s assessment towards radio programs were influenced by listeners characteristic. Among several variables of listeners characteristic that have significant relation towards radio programs exposure is mass media ownership with listening duration. Meanwhile, listeners characteristics which have a relation with listeners assessment towards radio programs are mass media ownership with the assessment of radio broadcasting material, the announcer, and the duration of the programs, the age of listeners and it’s assessment towards the radio programs are broadcasted, listeners occupation and it’s assessment towards radio broadcasting material and how its been presented. The results also shows that the radio programs that have been broadcasted gave several effects. The Effect of radio programs towards listeners are the increasing of cognitive and affective aspects.
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Judul: Persepsi khalayak pendengar tentang mutu siaran radio pertanian Ciawi: Studi kasus Desa Cileungsi Kecamatan Ciawi dan Desa Ciriung Kecamatan Cibinong
Abstrak: The objectives of this research are to identify, first. the characteristic of Rodio-Pertanian Ciawi 's (RPC 's) audiences, its perceptions toward. and its exposure to the radio; second, to idenJify the characteristic of audiences that signiflC(lll//y related to the perceptions of audiences toward the RPC ·s_ The research was carried out at the Deso Cileungsi Kecamatan and Deso Cirit01g Kecamatan Cibinong of Kabupaten Bogor. A survey method with stratified random sampling was applied. The resulJ show that.first, most of the respondenls are 15 to 24 and 45 to 54 years old, secondary and high school level of education, and agricu/Jure as main livelihood. Most of the respondents viewed that the matter of broadcast are appropriate enough, creatively design, mannerly guided. and on time schedule. Widz regards to exposureness, the RPC 's was expose to the respondenls three to five times a week with 240 to 480 minutes of duraJion a week. Through Chi-square and Ranlc-Spearman analysis, the resulJ show that gender and education level are two variables of audiences characteristics that show strong relation to frequency and duration hearing the radio, and interactive design of the broadcast.
Keyword: Mutu siaran radio, radio pertanian

Judul: Hydrothermal Synthesis of Biphasic Calcium Posphate
Abstrak: Biphasio calsium phosphate (BCP), which was a mixture of hydroxypatite (HA) and tricalcium phosphate (TCP), was synthesized by hydrothermal method followed by sintering process. Hydroxyapatite was produced by using natural calcium source CaO from hen's eggshell and (NH4)2HPO4 as phosphate souce, other hydroxyapatite sample was produce by using synthetic calcium source Ca(OH) and H3PO4 as phosphate source.
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