The tourism industry has grown rapidly over time as evidenced by the increasing number of tourist activities and also the amount of money spent on these activities, it is very possible because of: 1) The increasing number of the world’s population, as well as the increasing number of people are able to travel the world and traveled to other areas. ...
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Tulang-tulang rangka satu dengan yang lain saling berhubungan. Hubungan antara tulang yang satu dengan yang lain disebut sendi. Berdasarkan gerakan antar tulang dapat dibedakan menjadi: sendi mati dan gerak. Sendi Mati Sendi mati adalah hubungan antar tulang manakala tulang penyusun sendi tidak dapat digerakkan, sebagai contoh pertautan antara tulang-tulang tengkorak kepala. Sendi mati menyebabkan hubungan antar tulang menjadi kuat dan ...
Read More »Applications Hydraulics
A rationalization program for cost savings by using hydraulic devices has brought about many important changes and some improvements in the areas of ship design and fitting both above and below deck. With the stern steering and repulsion hydraulically adjustable to ensure maneuvering the ships in the harbor huge ocean. Discharging cargo on tankers also controlled hydraulically through pipelines elaborate ...
Read More »Characteristics of Non-Ferro Metals 5
26. Tantalum (Ta) Tantalum (Ta) and the white metal can be formed through cold working process. Process of heat can increase the hardness numbers drastically. Tantalum (Ta) has a melting point of 32070C and used in Cementite Carbide tooling and as an additional element to metal alloy non-Ferro. 27. Tellurium (Te) Tellurium (Te) has a melting point of 4520C slightly ...
Read More »Besi Tuang IV
7. High duty Cast Iron Besi tuang kelabu grey cast iron dapat dikembangkan dengan penghalusan besi mentah melalui penambahan sejumlah besar baja tua (scrap) didalam dapur cupola. Perubahan bentuk graphite terjadi selama perlakuan panas, atau dengan bahan-bahan tambahan. 8. Spheriodal Graphite Cast Iron Spheriodal graphite cast iron dibuat dari unsur besi dengan penambahan magnesium atau cerium, dengan demikian maka bentk ...
Read More »Ruangan Jantung
Jantung manusia terbagi menjadi 4 ruangan yaitu serambi kanan dan kiri, dan bilik kanan dan kiri. 1. Antara serambi kanan dan kiri dipisahkan oleh septum interatrioler (dinding antar serambi). 2. Antara bilik kanan dan kiri dipisahkan oleh septum interventrikuler (dinding antar bilik). 3. Antara serambi kiri dengan bilik kiri dibatasi oleh katup bikuspidalis (mitralis). 4. Antara serambi kanan dan bilik ...
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