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PENGARUH INFESTASI NEMATODA Pratylenchus TERHADAP PERTUMBUHAN TANAMAN NENAS [Ananas comosus (L.) Merr.]
Oleh: Titik Nur Aeny, I Gede Swibawa , Irma Amaliah,
Pratylenchus is an important parasitic nematode on pineapples in the world. This plant parasitic nematodes may cause severe damages on roots, resulted in retarded plant growth. The experiment consisted of four Pratylenchus population levels per plant with 4 replications. The experi...
Penerbit: Universitas Lampung • Publikasi: 21 October 2011
EFEK PENYIMPANAN TERHADAP VIRULENSI NUCLEAR POLYHEDROSIS VIRUS YANG DIAPLIKASIKAN PADA TANAMAN KEDELAI TERSERANG ULAT GRAYAK (Spodoptera litura Fabr. )
Oleh: ., Sudi Pramono
One of the problem increased soybean production was Spodoptera litura (army worm), because army worm has been known to be resistant to many insec¬ticides. Alternatif control techniques should be explored to reduce population of the pest. Nuclear Polyhedrosis Virus (NPV) could s...
Penerbit: Universitas Lampung • Publikasi: 21 October 2011
Pengaruh Rasio Panjang dan Diameter Pipa Suplai terhadap Unjuk Kerja Model Pompa Tanpa Motor (Hydraulic Ram Pump)
Oleh: Sinaga, Jorfri B
A hydraulic ram pump is environmentally friendly devices using the energy from a stream of water falling from a low head as the driving power to pump part of the water to a head much higher than the supply head for agricultural or domestic use. In the use of this pump, one of factors that influence ...
Penerbit: Jurusan Teknik Mesin, Fakultas Teknik, Universitas Lampung • Publikasi: 06 September 2011
Effect of Cutting Parameter Variation on Drilling of AISI 1045: Experimental and Simulation
Oleh: Burhanuddin, Yanuar
This work is focused on the study of the effect of spindle speed and feed rate on the tool temperature distribution in the drilling of AISI-1045 steel. The e data were collected under different cutting conditions. The maximum tool temperature is predicted during the drilling using finite element sim...
Penerbit: Jurusan Teknik Mesin, Fakultas Teknik, Universitas Lampung • Publikasi: 06 September 2011
Studi Reduksi Beban Termal ke Dalam Ruangan Secara Konveksi dengan Sistem Underground Thermal Storage Sebagai Altenatif untuk Mendinginkan Ruangan Rumah Hunian
Oleh: Gandidi, Indra Mamad
Space cooling is required all year around in the tropics area especially Indonesia. To provide the space cooling requirement, the electricity cost and environment impact are important aspect that it must be considered. The household in the tropical area is real conditions require a cooling devic...
Penerbit: Jurusan Teknik Mesin, Fakultas Teknik, Universitas Lampung • Publikasi: 06 September 2011
Analisis Uji Destructive Dan Non Destructive Terhadap Hasil Sambungan Las V-Tunggal Baja AISI 1045
Oleh: ., Nafrizal
This paper reports the result of study on the strength behaviour of welded joint both destructive and nondestructive testing. The parent metal choosen for the testing was AISI 1045 steel with main parameters of single-V welded form and horizontal welding position. The electrodes used for each parame...
Penerbit: Jurusan Teknik Mesin, Fakultas Teknik, Universitas Lampung • Publikasi: 06 September 2011
Studi Perilaku Kegagalan Sambungan Las Tipe TConjunctions Pada Baja Karbon Rendah Dengan Pendekatan Experimen dan Numerik
Oleh: Badaruddin, Mohammad
This research is conducted to investigate failure behavior of welding structure in T-conjunctions type. Welding joint failures were analyzed by both experimental and finite element analysis (2D) approach in terms of stress intensity factor mode I (KI). The stress at the welding zone was strongly inf...
Penerbit: Jurusan Teknik Mesin, Fakultas Teknik, Universitas Lampung • Publikasi: 06 September 2011
Analisis Prestasi Lampu Petromax Berbahan Bakar LPG
Oleh: Burhanuddin, Harmen
In order to decrease subsidy cost of kerosene consumption, Indonesian government right now proposes to convert kerosene to LPG. Consequently, the price of kerosene is expensive in society. LPG can be alternatively used as fuel for the petromax lamp. The use of LPG for the petromax lamp fuel is stron...
Penerbit: Jurusan Teknik Mesin, Fakultas Teknik, Universitas Lampung • Publikasi: 06 September 2011
Pengaruh Posisi Terhadap Kekuatan Baut dan Gaya Geser Ditinjau dari Morfologi Fracture Surface pada Sambungan Plat
Oleh: Handra, Nofriady
Bolt extension as link which do not destroy connective by component at process unload tide used many in so many industrial area like at bridge construction, building construction and various appliance of engine tool. Usage of amount 3 (bolt fruit three) at 5 (standard hole five) at one particular ex...
Penerbit: Jurusan Teknik Mesin, Fakultas Teknik, Universitas Lampung • Publikasi: 06 September 2011
KEMAMPUAN BENTONIT PELET TEKAN TERAKTIVASI FISIK SEBAGAI PENGGANTI ZEOLIT DALAM MENGHEMAT KONSUMSI BAHAN BAKAR MOTOR DIESEL 4-LANGKAH
Oleh: Wardono, Herry
Propinsi Lampung merupakan salah satu produsen zeolit terbaik dan terbesar di Indonesia. Herry Wardono telah membuktikan kemampuan zeolit Lampung dalam meningkatkan prestasi motor bakar. Disamping zeolit, potensi bahan tambang bentonit juga tersedia melimpah di Propinsi Lampung. Bentonit memiliki ...
Penerbit: Jurusan Teknik Mesin, Fakultas Teknik, Universitas Lampung • Publikasi: 04 April 2011