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Peningkatan Aktivitas Antimikroba Ekstrak Nanas (Ananas Comosus (L.). Merr) Dengan Pembentukan Nanopartikel | ||
Abstrak PENINGKATAN AKTIVITAS ANTIMIKROBA EKSTRAK NANAS (Ananas https://jsk.farmasi.unmul.ac.id/index.php/jsk/article/view/45/40
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Penulis : DIAN RATIH L , Dr., M.Biomed.,Apt. [PDF File] didownload : 31 x | ||
Development of friction and wear full-scale testing for TKR prostheses with reliable low cost apparatus | ||
Abstrak Prostheses products must undergo simulation and physical testing, before clinical testing. Finite element method is a preliminary simulation for in vivo test. The method visualizes the magnitude of the compressive force and the critical location of the Total Knee Replacement (TKR) prostheses design. In vitro testing is classified as physical testing for prostheses product. The test is conducted to evaluate the potential failure of the product and the characteristics of the prostheses TKR material. Friction and wear testing are part of the in vivo test. Motion of knee joints, which results in the phenomena of extension and deflection in the femoral and tibia insert, is represented by friction and wear testing. Friction and wear tests aim to obtain an approximate lifetime in normal and extreme load patterns as characterized by the shape of the friction surface area. The lifetime estimation requires friction and wear full-scale testing equipments for TKR prostheses products. These are necessary in obtaining initial data on potential product failures and characterizing of the material based on the ASTM F2724-08 standards. Based on the testing result and statistical analysis data, the average wear rate value per year is 2.19 × 10−3 mg/MC, with a 10 % safety limit of volume and 14,400 cycles times, for 15 hours moving nonstop then the prediction of wear life of the component tibia insert is ± 10 years.
Keywords: Friction; wear; full-scale testing; TKR prostheses; reliable; low cost. | ||
Penulis : Agri Suwandi, Dr., S.T., M.T. [PDF File] didownload : 32 x | ||
Harapan Masyarakat Terhadap Kualitas Ruang Publik Sebagai Tempat Aktivitas Luar Ruang Pada Kawasan Perkantoran Dalam Mendukung Kota Hijau | ||
Abstrak Abstrak Di kota besar ruang publik merupakan tempat-tempat umum untuk dipergunakan warga kota bersama-sama. Pada kawasan perkantoran di pusat kota, ruang publik umumnya juga terkait dengan fungsi ruang terbuka hijau. Situasi tersebut menjadikan ruang publik memiliki fungsi ganda, yaitu sebagai tempat aktivitas bersama, lokasi resapan air dan paru-paru kota. Sebagai tempat aktivitas bersama, ruang publik dapat menjadi tempat istirahat luar ruang para pekerja. Sebagai resapan air dan paru-paru kota, ruang publik memiliki andil dalam terbentuknya iklim Kata kunci : kota hijau, ruang publik, pusat kota | ||
Penulis : AGUS SURYA SADANA W , M.T. [PDF File] didownload : 32 x | ||
Perancangan Penjejak Garis pada Robot Berbasis Mikrokontroler | ||
Abstrak Salah satu masalah dalam logistic, pada kondisi sekarang masih terlihat cukup semrawut. Hal | ||
Penulis : DEDE LIA ZARIATIN , Dr. S.T. , M.T [PDF File] didownload : 40 x | ||
Modified atmosphere storage (mas) buah pisang | ||
Abstrak
Healthy life style based on natural food consumption,has been implemented by the society to increase health quality. Minimally processed technology is used to slow down food decay time in the storage room. Minimally processed techology is consist of Controlled Atmosphere Storage (CAS), Modified Atmosphere Storage (MAS), Freeze Driying, and blansir. MAS is food storage technology by conditioning the air composition (especially oxygen level). Banana is an object of MAS implementation, due to its all session fruit and shorter life time. Previous MAS studies used long bean as the object and managed to improve the life time until 15 days.The purpose of this study is to implement MAS to lengthen banana life time. MAS design use Ulrich Eppinger method. Simulation of Turbulance Kinetic Energy (TKE) in the sparger and MAS installation use ANSYS 16.2. The experimental to test sparger and installation is conducted for 6 hours for the sparger and 24 hours for the installation. Afterward the correlation between parameter is calculated by using least square method. The outcome of this research is MAS for banana in order to be used by SME with capacity of 4.77 m3, mixture time is 24 hours, TKE number in the sparger is 582.6448 J/kg, TKE number in the installation is 715.6 J/kg, oxygen level in the sparger is 5.7%, oxygen level in MAS installation is 8.5%, glucose of banana located in the storage room is 9.5%, and banana life time able to achiave 14 days. | ||
Penulis : I GEDE EKA LESMANA , S.T.,M.T. [PDF File] didownload : 59 x | ||