查询词典 half-timer

By studying the internal structure and working principle of 555 timer, this paper introduces three typical circuits----Schmitt trigger, Bistable multivibrator and Astable multivibrator----which are composed by 555 timer. Furthermore, it explores the various applications of 555 timer in circuit designing through the expansion of the circuits and eventually same experience and methods offers in circuit designing by using 555 timer.

本文通过研究555定时器的内部结构和工作原理，介绍了其组成的施密特触发器，单稳态触发器和多谐振荡器等三个典型电路，并通过这些电路的扩展，探讨了555定时器在电路设计中的各种应用，由此得出用555定时器设计电路的经验和方法。

For example,speaking 555 timer flakes and intergrated operate amplifier CA3140 to control,it is a normal thing that the timer is coming out,But today this timer adopt 555 timer oscillatory circuit as at time base signal pulse input,choise magnificated intergrated flake CA3140 to manger ,make the timing of 555 steady state time lagmay be increase one hundred multiple.

由于集成块集成度高，功能强，功耗低，速度快，价格便宜，实用灵活，开发周期短等优点，从上个世纪开始，随着各种各样的集成芯片的问世，比如说555定时器芯片和CA3140集成运算放大器芯片，定时器的形成已经是很普通的事情，但今天这个定时器采用555定时器振荡电路作为时基信号脉冲输入，选择可放大的集成运算放大器3140控制器，使555的稳态延时范围可以增加100倍。

Software Description: About Egg Timer Plus, This is a stopwatch and egg timer with resizeable on screen timer display, and separate Timer and Stopwatch modules.

Egg Timer Plus 这是一款可以重新设置计时器屏幕显示尺寸并且可以单独显示的秒表和计时器软件。包括计时器和秒表模块。

This paper analyzed and researched the characteristics of Schmitt trigger, single-stable-state trigger and astable multivibrator constituted by 555 timer based on PSPICE. Against the phenomenon of astable multivibrator constituted by 555 timer has no oscillation in PSPICE, an effective analysis method was brought out for 555 timer circuit to simulate the actual oscillator.

作者在文中应用PSPICE对555定时器构成的施密特触发器、单稳态触发器和多谐振荡器的工作特性进行了仿真分析和研究，针对PSPICE中555定时器构成的多谐振荡器不起振的问题提出了模拟振荡电路的有效起振方法，对电子电路的分析与设计具有一定的参考意义。

The APIC's timer counter is 32 bits long, while the PIT's timer counter is 16 bits long; therefore, the local timer can be programmed to issue interrupts at very low frequencies (the counter stores the number of ticks that must elapse before the interrupt is issued).

APIC的定时器计数器是32位，而PIC的定时器计数器是16位；因此，可以对本地定时器编程来产生很低频率的中断计数器存放中断发生前必须经过的节拍数

Four 8-bit I/O Ports C Three 16-bit Timer/Counters C 256 Bytes Scratch Pad RAM C 8 Interrupt Sources with 4 Priority Levels C Dual Data Pointer Variable Length MOVX for Slow RAM/Peripherals High-speed Architecture C 10 to 40 MHz in Standard Mode 16K/32K Bytes On-Chip ROM Program T80C51RD2 ROMless Versions On-Chip 1024 bytes Expanded RAM C Software Selectable Size (0, 256, 512, 768, 1024 bytes) C 256 Bytes Selected at Reset for AT87C51RB2/RC2 Compatibility Keyboard Interrupt Interface on Port P1 8-bit Clock Prescaler 64K Program and Data Memory Spaces Improved X2 Mode with Independant Selection for CPU and Each Peripheral Programmable Counter Array 5 Channels with: C High-speed Output C Compare/Capture C Pulse Width Modulator C Watchdog Timer Capabilities Asynchronous Port Reset Full Duplex Enhanced UART Dedicated Baud Rate Generator for UART Low EMI Hardware Watchdog Timer (One-time Enabled with Reset-out) Power Control Modes C Idle Mode C Power-down Mode C Power-off Flag Power Supply: 2.7V to 5.5V or 2.7V to 3.6V Temperature Ranges: Commercial (0 to +70C) and Industrial (-40C to +85C) Packages: PDIL40, PLCC44, VQFP44

四8位I / O端口C款三16位定时器/计数器 256字节RAM的便笺簿 8中断源4优先级和C双数据指针MOVX在缓变长内存/外设高速架构为C 10至40 MHz的标准模式16K/32K字节的片上ROM程序T80C51RD2无ROM版本片1024字节扩展RAMC软件可选尺寸（0，256， 512，768，1024字节）C选取在重置为AT87C51RB2/RC2兼容键盘中断接口与独立的选择港口小一8位时钟分频器64K的程序和数据存储器空间的改进X2模式的CPU和256字节每个外设可编程计数器5通道的阵列：C型高速输出C比较/脉宽调制器捕获看门狗定时器复位功能异步端口全双工增强型UART的波特率发生器的UART低EMI硬件看门狗定时器电源控制模式空闲模式C掉电模式C断电旗电源：2.7V至5.5V或2.7V至3.6V温度范围：商业（0到+70 C）和工业（- 40C至+85℃）封装：PDIL40，PLCC44，VQFP44

Be in a half-and-half state of belief and doubt; be not quite sure -- half in doubt; do not believe entirely; half-believe and half-doubt; half-believing and half-doubting

成语怀疑相信各占一半。例句钟理和《故乡之三·阿煌叔》：&眼睛是睁得更其圆大了；那里是～的；并且带有未能理解的、困惑的成分。&

I like the Qing Dynasty poet Lee Die "half-word song," likes "to drink just half intoxicated, bloom-time partial Yan," likes "a half years to make a leisurely, half a mile wide Qiankun Exhibition," half the people enjoy the work half the enjoyment of, semi-rich, semi-leisure, so I named "semi-free vegetarian."

我喜欢清代诗人李模的《半字歌》，喜欢"饮酒半酣正好，花开半时偏妍"，喜欢"半中岁月尽悠闲，半里乾坤宽展"，喜欢人们半工作，半享受，半有钱，半有闲，所以我取名"半闲斋"。

The experimental group corneas were preserved by organ culture for 4 weeks, the corneal thickness was measured with ultrasonic corneal pachymeter. Then every corneas were divided into half -chip, there are 48 half-chip total. It was divided into 4 groups, there are 12 half-chip in every groups. The corneal endothelial cell density of 12 half-chip were counted through Alizarin Red-Trypan blue staining; 12 half-clip corneas were fixed with 4% neutral formalin solution, HE staining was performed, the expression of AQP-1 in corneal stroma and corneal endothelial cell were detected through immunohistochemical staining; Na~+-K~+-ATPase activities in 12 half-clip corneas were examined with Na~+-K~+-ATPase kit; the expression of AQP-1 mRNA were detected through real-time fluorescent quantitation PCR.

实验组经器官培养保存4周后以角膜测厚仪测量角膜厚度，然后每个角膜被分成两半，共48个半片角膜，再分成4组，每组12个半片。12个半片用茜素红-台盼蓝染色染色行角膜内皮细胞计数；12个半片角膜用4%中性福尔马林溶液固定行HE染色、应用免疫组化染色检测AQP-1在角膜基质和内皮细胞表达的改变；12个半片角膜用Na~+-K~+-ATP酶试剂盒测量角膜内皮细胞Na~+-K~+-ATP酶活性；12个半片角膜用实时荧光定量PCR检测AQP-1mRNA表达改变。

No. The timer you're referring to is what we call a "Berserk" timer.

不。你说的时限我们称作"狂暴"时限。

In the days of sailing vessels the crew were afraid they would be becalmed on the ocean.

在使用帆船的时代，船员们担心他们会因为无风而无法在海洋上航行。

As long as foreign donors pay the PA's salary bill, few expect a new intifada.

只要外国继续为巴权力机构的薪水买单，希望发动新暴动的人便寥寥无几。