查询词典 recovery phase

With regard to the converter of SRD system, the thesis firstly gives the study of the topology of converters that have the least main switches, and then lucubrates the single switch per phase converter with C-dump energy recovery circuit.

在功率变换器的优化设计方面，本文在对于具有最少开关数的功率变换器拓扑结构进行研究的基础上，深入研究了其中带存储电容斩波回收型功率变换器。

A7800 Features: 10 Mb s Manchester encoding decoding with receive clock recovery Patented digital phase locked loop decoder re- quires no precision external components Decodes Manchester data with up to g18 ns of jitter Loopback capability for diagnostics Externally selectable half or full step modes of opera- tion at transmit output Squelch circuits at the receive and collision inputs re- ject noise High voltage protection at transceiver interface (16V) TTL MOS compatible controller interface Connects directly to the transceiver cable A7800 Maximum Ratings: A7800 Pinout:· NPT IGBT technology · low saturation voltage · low switching losses · switching frequency up to 30 kHz · square RBSOA, no latch up · high short circuit capability · positive temperature coefficient for easy parallelling · MOS input, voltage controlled · ultra fast free wheeling diodes · solderable pins for PCB mounting · package with copper base plate

A7800特点： 10兆s曼彻斯特编码与接收时钟恢复专利解码数字锁相环解码器重新奎雷斯没有精确数据的外部元件曼彻斯特解码高达全部G18抖动纳秒环回功能用于诊断外部可选的一半或整步模式的歌剧和灰在传输和接收碰撞投入重新ject高噪音在收发器接口（16V的）马鞍山的TTL兼容控制器接口电压保护输出静噪电路直接连接到收发器的电缆 A7800最大额定值： A7800引脚说明：·不扩散核武器条约IGBT技术·低饱和电压·低开关损耗·开关频率可达30千赫·平方米RBSOA，没有锁定了高短路能力··正温度，便于parallelling·马鞍山消耗系数，电压控制·超高速免费·印刷电路板焊接的引脚安装·铜底板包续流二极管

With the support of America, France put forward the Shuman Plan, which temporized the trend of western economic integration and catered to American desire for economic integration and recovery of Germany. The founding of ECSC in August 1952 meant that the union of West Europe was going on theway and that it had formally developed to the phase of integration from the intergovernmental period.

在美国的支持下，1950年5月法国提出了舒曼计划，这一计划顺应了西欧经济一体化的趋势，迎合了美国关于经济一体化的要求和复兴德国的需要。1952年8月成立的欧洲煤钢联营代表着欧洲联合从政府间合作阶段正式发展到了一体化阶段。

The main by-product s and their separation and recovery technologies were discussed for cyclohexanone gas-phase Beckmann rearrangement.

探讨环己酮肟气相Beckmann重排主要副产物及其分离回收方法，研究1-氮杂-2-乙氧基-1-环庚烯、1，3，4，5-四氧吖庚因-2-酮及其同分异十句体等副产物回收利用生成已内酰胺的方法。

The SinoChrom ODS-BP column(4.6mm×200mm i.d 5um) was used with the mobile phase of phospioricacid salt buffer solution.The recovery of benzoic acid was 93.2%.

此种方法用醋酸锌和亚铁氰化钾溶液作为沉淀剂，以磷酸盐缓冲溶液作为流动相，用SinoChrom ODS-BP柱（4.6mm×200mm i.d 5um）液相色谱柱分离，用伊利特UV-230+紫外可见检测器进行检测。

Phase separation performance and recovery are two important factors for the cloud point extraction process.

相分离性能和萃取率是评价浊点萃取性能的两个重要因素。

The problem of measuring flow rate and mass dryness fraction in the same time during thermal recovery of heavy oil is solved by combining orifice plate with uniform velocity tube and on line measuring double parameters of two phase flow of steam and water.

利用孔板与均速管组合在线测量汽—水两相流双参数，解决了稠油热采中同时测量蒸汽流量与干度的难题。

Methods The sample was separated with a C18 column (150mm×4.6mm, 5μm) at 30℃ with the mobile phase of methanol and water (74:26); A fluorescence detector was used (λex=230nm λem=460nm); The floss rate was 1mlmin^(-1) Results The retention time of aesculin was(3.620±0.05)min; A good linear relationship of aesculin in the plasma samples at the concentration between 0.1mgL^(-1) and 100mgL^(-1) was observed (r=0.997); The mean absolute recovery was 74.0%~82.6% and the lowest detective limit was 0.05ng; Both the intra-day and inter-day precisions were less than 9.0%.

以C18柱(150mm×4.6mm，5μm)分离；流动相为甲醇－水(76：24)；流速：1mlmin^(-1)；柱温：30℃；荧光检测器，激发波长230nm，发射波长460nm：结果秦皮甲素的保留时间为(3.620±0.05)min；血药浓度在0.1~100mgL^(-1)范围内线关系良好(r=0.997)；绝对回收率为74.0%-82.6%，日内、日间精密度均＜9.0%，最低检测限为0.05ng。

The mobile phase consisted of methanol -0.025 mol/L K 2HPO 4 0.003 mol/L KH 2PO 4 (69∶31),and flow rate was 0.9 ml/min,UV detector was set at 220nm.The analytical recovery was 99.20% for ketamine, 99.13% for phenobarbitone and 97.62% for atropin...

氯胺酮、苯巴比妥和阿托品的平均回收率分别为99.20％，99.13％和97.62％；不同浓度水平测定结果的日内和日间相对标准偏差均小于5％；其检测限分别为0.2μg／ml，0.05μg／ml和0.5μg／ml（S∶N＝3∶1）。

A flexible buffer was placed between the over-sampler and DPLL.Not only was 10bits data recovery implemented,but also the frequency of sampling clock was reduced to 2.5 times of the data frequency.The phase verification for 10bit parallel data by DPLL increases the accuracy rate of judgment and improves the bit error rate.

通过在过采样电路和数字锁相环之间增加弹性缓冲电路，在实现10bit数据恢复的同时，使采样时钟频率减小为数据频率的2.5倍，DPLL同时对10bit并行的数据进行相位检测判断，提高了判断的正确率，使数据传输的误码率得到改善。

Fancy gold-plated dangling earrings with facetted White Opal crystals.

花式镀金悬垂耳环与facetted白欧泊水晶。

This essay chooses the study aim from biology teachers in middle school in Shi Jiazhuang which tells us that most of the middle school biology teachers in Shi Jiazhuang have the"burnout", lower successfulness, individualize.

本文选取石家庄市初中生物教师作为研究对象，运用问卷调查的方法对石家庄市初中生物教师职业倦怠的现状进行调查，调查结果发现，石家庄市初中生物教师这一群体普遍存在职业倦怠，情感枯竭程度偏高，成就感偏低，去个性化程度最为严重。