Judul: Karakteristik Bambu Lapis dari Anyaman Bambu Betung (Dendrocalamus asper) yang Direkat Menggunakan Perekat MDI dan PVAc dengan Metode Pencelupan
Abstrak: Plybamboo is an innovative product that should be improved strength and appearance to produce high quality products. The purpose of this research was to analyze the influence of adhesive type, and woven pattern toward the physical and mechanical characteristics of woven plybamboo. Water content, bonding strength, and MOR of plybamboo made using MDI adhesive is suitable with SNI 01-5008.2-2000 standard. Its water content value is under 14%, its bonding strength is more than 7 kg/cm2, and its MOR is more than 320 kg/cm2. Moreover, the water content, bonding strength, and MOR of woven bamboo made using PVAc did not suitable with SNI 01-5008.2-2000 standard. The density of plybamboo was ranged between 0.41-0.68 g/cm3. Based on shrinkage and swelling test of plybamboo, swelling phase was larger than shrinkage phase. The MOE of all samples did not suitable with SNI 01-5008.2-2000 standard. Plybamboo bonded using MDI with Tindih 2 pattern has better physical and mechanical characteristics than other plybamboos.
Keyword: PVAc, plybamboo, MDI, betung bamboo, bamboo woven

Judul: Pengaruh Jenis Anyaman dan Perekat Terhadap Kualitas Sifat Fisis dan Mekanis Bambu Lapis dari Bambu Andong (Gigantochloa pseudoarundinaceae (Steudel)Widjaja))
Abstrak: This research aims to determine the effect of wove and adhesive type on the quality of woven bamboo plywood from andong with the use of dipping methods. Bamboo plywood bonded using MDI (Methylen Diphenyl Isocyanate) and PVAC (Polyvinyl Acetate). Woven bamboo was soaked in diluted adhesive. It was ensured that the adhesive spread equally on the bamboo’s surfaces (including inner bark strip and outer strip). Results show that in treatment, moisture content, modulus of elasticity (MOE), shrinkage and bonding strength did not have effect in improving the properties of bamboo plywood whereas in treatment density, modulus of rupture (MOR) and thickness swelling affected in improving the properties of bamboo plywood made from bamboo andong. The usage of PVAc did not improve physicals and mechanical properties of bamboo plywood, and did not meet ISO (SNI) 01-5008.2-2000 standard. The usage MDI did not improve bamboo plywood’s quality and its MOE and MOR did not meet the standard; moreover, its moisture content, density, and bonding strength did meet the the ISO (SNI) 01-5008.2-2000 standard
Keyword: woven bamboo., physicals and mechanical properties, PVAc, MDI, bamboo plywood

Judul: Heisenberg Uncertainty of Double SlitSystem Based on Budiyono-Rohrlich Quantum Statistics Model
Abstrak: Interpretasi kuantum dikembangkan untuk memaknai secara fisis dengan jelas bagaimana suatu dinamika pada sistem mikroskopis yang dijelaskan dengan teori-teori kuantum, seperti interpretasi Copenhagen yang mendeskripsikan sistem kuantum sebagai suatu keadaan yang dideskripsikan dengan fungsi gelombang yang berisikan bagaimana peluang keadaan suatu sistem. Interpretasi kuantum juga bisa dibawa dari suatu sistem klasik seperti pada model statistika-kuantum Budiyono-Rohrlich yang menjelaskan bagaimana dinamika kuantum berhubungan dengan sistem klasik dengan penerapan statistika pada model Hamiltonian sistem. Fungsi distribusi dapat mendeskripsikan bagaimana suatu sistem terdistribusi pada suatu ruang pada pandangan klasik namun untuk sistem kuantum fungsi distribusi adalah peluang dari sistem tersebut. Sistem klasik dan kuantum juga dipisahkan berdasarkan pada ketidakpastian Heisenberg tentang suatu pengukuran yang tidak bisa secara sekaligus dilakukan bersamaan. Model statistika-kuantum Budiyono-Rohrlich membawa suatu sistem klasik menjadi sistem kuantum dengan dua aksioma yaitu hukum kekekalan energi rata rata dan konservasi rapat probabilitas. Sistem klasik yang didefinisikan akan diatur dengan menambahkan dua variable matematis berupa ontic extensions dan epistemic restrictions dimana kedua variabel ini yang akan menghubungkan bagaimana sistem klasik bisa diubah menjadi sebuah sistem kuantum. Dua variabel matematis tadi membuat sebuah sistem bisa diperlihatkan ketidakpastiannya lewat perhitungan simpangan rata-rata dan hasilnya akan selalu memenuhi ketidakpastian Heisenberg
Keyword: fungsi distribusi, model Budiyono-Rohrlich, ontic extension, epistemic restriction, ketidakpastian Heisenberg