微处理器—集成计算机中央处理器（ C P U）的所有组件在一个硅芯片上—诞生于1 9 7 1 年。它的产生有一个很好的开端：第一个微处理器是 Intel 4004，其中有2 3 0 0个晶体管。今天， 差不多3 0年过去了，为家用计算机所制造的微处理器中将近有 10 000 000个晶体管。 微处理器实际的作用基本上保持不变

10.1 Acids donate protons, bases accept them Sulfuric acid is the number one manufactured chemical 85 billion pounds (40,000,000tons) annually in US. Acid has “sour taste

Consumption over the Life Cycle You are currently 35 years old, expect to retire in 30 years at age 65, and then to live for 15 more years until age 80 u You current income is $30,000 per year, and you real labor income adjusted for inflation remains at $30,000 per year until age 65 u The real rate of interest is 3% per year u Assume you plan to consume a constant stream of the same amount in each of the next 45 years, denoted by

ach year in the United States about 700 000 people of all Stroke Recognition and EMS Care ages suffer a new or repeat stroke. Approximately 158 000 of these people will die, making stroke the third Stroke Warning Signs eading cause of death in the United States . Many advances important because

北大MBA会计学案例库 成本与市价孰低法某公司采用成本与市价孰低发对短期投资进行计价。该公司1992年12月31日短期投资余额未400,000元,证券跌价准备余额未20,000元。1991年12月31日短期投资种类及相关资料如下:

A naval architect asked to design a ship may receive his instructions in a form ranging from such simple requ ents as \an oil tanker to carry 100 000 tons deadweight at 15 knot nots\to a fully detailed specification of precisely planned requirements. He is usually required to prepare design for a vessel that must carry certain

一、CA概况 (一)CA的出版者和创刊年 CA创刊于1907年,由CAS即 Chemical Abstracts Service,美国化学文摘服务社创办。 (二)CA的收录范围 CA被称为“世界化学化工文献的钥匙”,收 录世界各国化学化工方面的出版物约16,000余 种,包括期刊论文、会议录、资料汇编、报告 、新书、专利等

hool of Business, Sun Y at-sen University L 2 Economic Transactions and Accounting equation Exercises 1. Lion Company had a net cash inflow of $80,000 from operating activi

Background An icbm with a range of 6500 miles has a stagnation temperature of 12,000%F, 2000 f hotter than the surface of the sun Calculations showed that the optimum design for structural strength, resistance to heating, and free flight stability was a long, needle nosed reentry body But it would vaporize during reentry

1.通过综合分析地质图,使学生比较全面地掌握 构造地质学的基本理论知识,提高学生分析地 质图的能力 2.学习编绘、编写某些图件和读图报告的基本方 法和技能,为野外地质实习和今后实际地质工 作打下较好基础