Judul: Properties of Oriented Stand Board (OSB) made from Mixing Bamboo
Abstrak: This study evaluates the effects of strand combination, and durability of OSB againts termites attack on the properties of oriented stand board (OSB) made from mixing bamboo species, that capable to produce high quality of OSB made from mixing bamboo. This research was making of OSB with the core layer arientation perpendicular to the face and the back layers. Nine straind combinations from three strand bamboo (T) (Gigantochloa apus (J.A. and J.H. Schultes) Kurz). Were manifactured, namely BBB, BAB, BTB, AAA, ABA, ATA, TTT, TBT, ana TAT. Bonded with 5% of Methylene Diphenyl Diisocyanate (MDI).
Keyword: 

Judul: Pengaruh kadar perekat MDI dan kombinasi strand terhadap sifat fisis mekanis Oriented Strand Board dari tiga jenis bambu dengan perlakuan pendahuluan perendaman air dingin
Abstrak: Forestry industry is currently experiencing a high slump. This evidenced by the number of industries that shortages supply of raw materials to meet production. Demands of solid wood raw material has been very difficult to find. Therefore, Many of the forestry industry ultimately close out of business. Nowadays, introduced a new innovation of materials and technology of composite product, OSB (Oriented Strand Board). OSB is a structural composite board product produced from the strand-shaped particles and waterproof thermosetting adhesive. OSB is very effective in overcoming the problems of the forestry industry because the raw material criteria is acquired easely, that is using low density wood and small diameter logs. However, the context of natural resources fin efficiency of wood, bamboo have lignoselulosa compound is one of the potential resources that can be used as a raw material substitute for wood in the manufacture of OSB. The variables this study consisted of combination three types of bamboo and levels MDI adhesive. Bamboo that used are Andong, Betung, and Ampel which the code of each row are A, B, and C. OSB board combination consist of two types of bamboo which one kind bamboo as face and back layers, and another one kind as core layer the racio of face, core and back raw is 1:2:1. OSB board made by nine combinations of AAA, ABA, ACA, BBB, BAB, BCB, CCC, CAC and CBC with adhesive consists of concentration levels of 3%, 4% and 5%. Physical properties and mechanical parameters observed included density, moisture content, water absorption, thickness swelling, Modulus Of Elasticity (MOE), Modulus Of Rupture (MOR), adhesion strength (internal bond) and screw holding power. After the OSB boards are sorted in the importance of value, the results of a combination of CBC (Ampel, Betung, Ampel) at 5% adhesive content is the lowest OSB value that is recommended as OSB board with the best quality when compared with the characteristic of OSB properties to other combination of strands and adhesive concentration. But in the efficiency of production cost, the right alternative combination is the combination of CAC (Ampel, Andong, Ampel) with adhesive levels of 3%.
Keyword: 

Judul: Leukemia pada kucing
Abstrak: Leukemia pada kucing adalah suatu penyakit yang sangat patogen, disebabkan oleh sejenis virus. Virus ini dikenal sebagai Feline Leukemia Virus atau FeLV. FeLV ini oleh beberapa ahli dikatakan hanya bersifat ganas pada hewan kucing. Penularannya bisa secara horizontal maupun congenital. Kucing pada semua tingkat umur dapat terserang oleh FeLV ini. Khusus pada bentuk "thymic leukemia", virus ini hanya menyerang anak-anak kucing berumur diba- wah 1 tahun. Kucing-kucing liar atau yang tidak terpeli- hara jarang sekali terinfeksi FeLV. Selain dari serangan virus FeLV itu sendiri, maka penyakit leukemia ini bisa disebabkan oleh beberapa fak- tor yang sudah ada dalam tubuh hewan dan sangat menunjang perkembangan penyakit ini, yaitu antara lain tumor, agen toksik, cedera oleh kecelakaan dan gangguan hemopoiesis. FeLV menyerang sel-sel darah dalam tubuh hewan se- hingga pembentukan darah berjalan tidak normal. Terlihat sel-sel darah yang belum dewasa sudah beredar dalam sir- kulasi darah. Bentuk dan jumlahnya tidak lagi seimbang dalam tubuh hewan kucing tersebut. Gejala klinis antara lain kekurusan, ikterus, anemia, lemah, anoreksia, dyspnoe, sulit menelan, batuk, dan membran mukosa pucat. Selain itu kelenjar pertahanan tubuh juga membengkak, kemudian terjadi hepatomegali, spleenomegali dan pembengkakan pada ginjal. Terbentuk massa tumor pada beberapa tempat. Secara biopsy pada sumsum tulang akan terlihat be- berapa perubahan. Sumsum tulang berwarna merah tua atau abu-abu. Konsistensinya lunak dan terdapat banyak sekali memproduksi sel darah putih. Melalui gambaran darah leukemia ini lebih mudah didiagnosa. Jumlah retikulosit rendah sekali. PCV 8-15%, hemoglobin menurun, sel darah putih (WBC) meningkat, lim- fosit meningkat, Alfaglobulin juga ada peningkatan, dan banyak eosinofil yang belum dewasa beredar dalam darah…dst
Keyword: