Explore the diagnosis of cure pulp after injured young permanent anterior teeth;
年轻恒前牙外伤后牙髓愈合的诊断探讨
An epidemiologic study on permanent tooth caries among children of 12 in Anhui province;
安徽省12岁年龄组恒牙龋病流行病学抽样调查
95 respectively, and permanent tooth caries prevalence rate was 30.
结果两个年龄组恒牙龋均为0·58、0·95、患龋率为30·78%、39·78%,低于全国11个省市同年龄组儿童(P<0·01);恒牙龋失补构成比分别为:12岁龋90·51%、失2·48%、补7·01%;15岁龋86·78%、失4·30%、补8·92%。
An Energy-saving Design of Constant Temperature and Constant Humidity Air Conditioning in Textile Laboratory;
纺织品试验室恒温恒湿空调的节能设计
Design of Constant Temperature and Constant Humidity Building Automation System;
恒温恒湿工程控制(BA)系统的设计
Design of constant temperature and humidity air conditioning system in Shanghai Banknote Printing Plant;
上海印钞厂恒温恒湿空调设计
Small constant temperature and humidity cold storage for experiment;
小型实验用恒温恒湿保鲜库
The decoupling control of constant temperature and humidity air-conditioning system;
恒温恒湿空调房间的解耦控制方案
A constant temperature & humidity air conditioning system of a measurement institute is presented in this paper based on a number of accomplishments of such air condition system.
目前标准计量与产品性能测试的要求不断提高,在完成多个高精度恒温恒湿空调系统的基础上,本文就某市计量所的恒温恒湿空调系统的空气处理方案、控制策略及其实现、测控系统的硬件系统和软件设计等的简单总结。
By using Siemens s Saphir ACX36 series controller with Modbus and Lon communication protocol, a constant temperature & humidity air conditioner unit with air-cooled condenser refrigeration system is well controlled and be monitored by remote computer.
采用带 Mobus 通讯协议和 Lon 通讯协议的西门子 SAPHIR ACX36系列可编程控制器,实现了自带冷源的恒温恒湿空调机组的自动控制,以及远程计算机的监控控制。
The principle of inner-loop for current detecting and outer loop for the control of character of constant current/constant voltage has been introduced in details.
根据锂离子动力电池电动汽车车载充电的要求,提出了一种多组单元串联的充电电源结构,针对单端正激式充电单元主电路,基于电流型控制器UC3845设计了充电单元控制系统,着重介绍了电流检测内环、恒流-恒压输出特性控制外环的工作原理。