کامران خداپرستی

Copper and its alloys are important commercial metals, widely valued for their exceptional electrical and thermal conductivity, excellent corrosion resistance, and ease of fabrication. Its ductility and malleability make copper a suitable material for building architecturally specific roofs. Domes and …

❓ What is the maximum carbon content in low carbon steel? ✅ Common answers often include 0.1%, 0.2%, or 0.3%. 📚 Individuals tend to select one of these numbers based on their academic background or reference handbooks. However, it is …

🌝 They are everywhere… Wherever you turn, you see their appearance in different forms: scientific, political, social, religious, engineering, traffic, national, etc. The point is that their absence makes things difficult. 📶 A “SYMBOL” is a sign that represents an …

– هر از چندی ناسزا گفتن، آن هم با داشتن یک دایره­ ی واژگانی غنی، با هزینه­ ی گزافی نشان ­دهنده­ ی این است که شما آقای خودتان هستید. – تکنولوژی می­ تواند همه­ ی جنبه­ های زندگی یک ساده …

چند سال پیش، برخی از نوشته‌هایی که مرتکب شده بودم را در یک فایل پی دی اف، جمع آوری کردم و نامش را گذاشتم ۲۰ نوشتار. از این کار دو هدف داشتم: نخست این‌که آنها را از پراکندگی نجات دهم و …

فولاد یکی از کالاهای مهم و تأثیرگذار در رشد و توسعه‌ی صنعتی کشورها است. این کالا بعد از نفت وگاز دومین کالای پرحجم تجارت جهانی را تشکیل می‌دهد و شمار زیادی از صنایع پایه از قبیل حمل و نقل، ساختمان، …

When I was a student at university, a major theme is the progressive development of materials having ever greater strength and heat resistance, primarily to meet performance objectives. Unfortunately, the characteristics of such materials present challenges to the principal shaping …

Cast iron is normally not permitted for pressure containment components in hydrocarbon processing streams because of its brittleness, especially in areas where it could be quenched during the course of fighting a fire. However, cast irons are routinely used in …

The Geologic Time Scale (GTS) is a comprehensive framework that organizes Earth’s history into distinct intervals based on geological and biological events. It serves as a chronological timeline, enabling scientists to understand the age of rocks, fossils, and the evolution …