Judul: Dampak lingkungan dari usaha peternakan sapi perah rakyat kasus di Kelurahan Kebon Pedes, Kotamadya Bogor
Abstrak: Tujuan penelitian ini adalah untuk mengetahui dampak usaha peternakan sapi perah terhadap beberapa aspek penting lingkungan, yaitu estetika, kesehatan masyarakat, penyerapan tenaga kerja clan pendapatan. Selain itu ingin diketahui pula tanggapan (respon) masyarakat akan keberadaan usaha tersebut. Penelitian dilakukan selama sekitar tiga bulan, dimulai bulan Februari 1992 sampai dengan bulan April 1992, dengan lokasi penelitian di Kelurahan Kebon Pedes, Perwakilan Kecamatan Tanah Sareal, Kotamadya Daerah Tingkat II Bogor. Dalam pengambilan contoh masyarakat sebagai responden, diambil dari masyarakat yang bertempat tinggal dekat dengan kandang ternak dalam radius sekitar 10 meter dan masyarakat dalam radius lebih dari 10 meter dari kandang. Pengambilan contoh peternak yang menjadi responden dilakukan secara purposif. Responden peternak diambil dari RW yang tinggi populasi sapi perahnya yaitu RW 09 dan RW 10. Pengambilan contoh air sumur adalah secara "composit samples" dan diambil dari bagian bawah, tengah dan permukaan air. Lokasi sumur sebagai titik contoh dilakukan berdasarkan jarak dari timbunan kotoran yaitu sekitar 5 meter, 10 meter dan sekitar 20 meter. Disamping itu diarnbil pula "effluent" (air limbah yang keluar dari kandang) pada lokasi tertentu. ...
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Judul: Sikap dan kesediaan masyarakat menerima dampak lingkungan usaha peternakan usaha peternakan sapi perah (kasus: usaha peternakan sapi perah kelurahan kebon pedes Kota Bogor)
Abstrak: Milk supply availability tan not be separated from dairy farm industry. One of dauy farm wvas located at Kebon Pedes. The farm industry give much benefit for the surrounding society. However, there are some effects due to farm location near the community seibent. The objective of this research were: (1) to investigate the communities aititude the effects of dairy f min dustry, (2) to measure relationship behveen individual characteristic and the society atitudes to environment effects of dairy farm indt-~stry(, 3) to measure the communities willingness to accept (LVTA) to dairy farm effects and (4) to measure relationship between individd characteristic and the communities willingness to accept (WTA) to dairy farm effects. This research u'ils conducted fmm May to June 2006 at Kebon Pedes. Sample were - collected purposively from 40 people.
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Judul: Algorithm Construction of HLI Hash Function
Abstrak: Cryptography is a study of mathematical techniques related to aspects of information security regarding on confidentiality, data integrity, entity authentication, and data origin authentication. Data integrity is a service, which is associated with the conversion of data carried out by unauthorized parties. To maintain data integrity, one can use hash functions. An hash function is a computationally efficient function to map an arbitrary length bitstring to a fixed length bitstring called as hash value. The use of hash function in maintaining the information integrity and authentication is in digital signatures, virus protection, and software distribution. Illustration of the hash function in the integrity and authentication of information that is emailed as follow. The sender sends the information and hash value to the recipient. If the hash value of the information is equal to the hash value that is sent by the sender, then information has not been changed. Otherwise the information has been changed. An hash function has two properties, one way and collision resistance. An hash function is called one way if it is computationally infeasible to find any input such that when given any hash value . Meanwhile an hash function is called collision resistant if it is computationally infeasible to find any two inputs where such that . The purpose of this study is to construct a HLI hash function algorithm, to analyze the speed and security of the hash functions as a results of construction. Furthermore, it is to compare it with SWIFFT. Hash function is constructed based on the result of algebraic operations on modular polynomial ringwith . Modular polynomial ring noted as is a set of all polynomials of degree at most with coefficients in . can be represented as a set of integer vector of modulo in dimension . So, it is simple to implement in a computer. In vector operations, is lattice . Furthermore, alattice that is defined from certain polynomial ring is called ideal lattice. HLI hash function is consists of addition and multiplication algorithm in the ring. Addition algorithm consists of sumation operations of modulo and multiplication consists of multiplication operations of modulo . Generally, algorithm of HLI hash function consists of multiplication operations of modulo and addition operations of modulo . However, if the input is binary number then multiplication algorithm only consists of multiplication operation of modulo , so algorithm of HLI hash function consists of multiplication operations of modulo and addtion operations of modulo . An hash function is secured if it has two properties, i.e., one way and collision resistance. HLI hash function hash is one way, it is following the proof of Micciancio. It is has collision resistant because of polynomial is irreducible over and monic. Moreover, it is proved that for every unit vector , the vector is small vector. If the input of hash function is a binary number then HLI hash function only involves addition operations of modulo . So the time that used almost same with SWIFFT. The excellence of HLI hash function is the key size smaller than SWIFFT. This effect on
Keyword: hash function, modular polynomial ring, lattice