Perceived impacts of tourism: matlab case of Samos. Annals of Tourism Research, 23, 503–526. Hart,M. 1999, Guide to Sustainable Community Indicators. North Andover, MA: Hart Environmental Data. Henderson, J. When mainframe computers were commercially accessible, application programming advances were developed basically to accelerate matlab computational approaches. Electronic calculators arrived and in addition began to make huge contributions, and matlab writing was on matlab wall for matlab venerable slide rule. Then, in matlab early 1960’s, engineering more recent modeling technique referred to as finite element analysis grew to be encoded into NASTRAN program, and in matlab mid 1970’s all started to develop into greatly accessible on mainframe computer systems. This evaluation complemented matlab more basic static and dynamic fashions also being integrated at matlab time into structural engineering application. Structural engineering scholars started to obtain access to remarkable engineering design program, but only at matlab price of college lessons. Structural engineers could utilize those engineering courses if their employers had matlab supplies to obtain matlab expensive computer systems, application, and technical knowledge to set up and maintain them. Sudurt drillbit sudah dapat dikendalikan melalui real time applied sciences secara lebih akurat, memberikan kemudahan bagi dunia industry untuk menghadapi permasalahan pengeboran, meningkatkan efisiensi, dan penghematan biaya. Salah satu tipe directional drilling adalah Horizontal Directional Drilling HDD, yang biasa digunakan untuk meningkatkan produksi seara drastic, mencapai 20 kali lipat. Sudut yang termasuk HDD adalah di atas 80 derajat, dan bahkan melebihi 90 derajat drilling upward. HDD tidak hanya untuk mengebor sumber minyak dan gas, melainkan dapat pula digunakan untuk membuat jalur bawah tanah yang menyebrangi sungai, jalanan, dan struktur eksisting, sehingga dapat dibangun pipa untuk transportasi fluida dan cloth lainnya melalui jalur tersebut. Dibanding dengan menggali tanah untuk memasang jalur pipa, teknologi directional drilling memiliki biaya instalasi 6 8 kali lebih rendah. Pengembangan ekslorasi minyak dan gas lepas pantai semakin menjauh ke perairan lebih dalam.