查询词典 second base

Analyse and compare what adopt a variety of pair of methods, the Michael addition reaction of ester of acerbity second of second of hydroxyl of protection of benzyl of the response of close nucleus addition that uses second nitrile and ester of formic acid second certainly, chloridize, cyanogen, reaction that take off carboxyl generates 3- benzyl oxygen radical the fifth of the ten Heavenly Stem the method of 2 nitrile, detailed discussion the action that wait and the by-product that arise possibly reach the reactant in each pace reaction, activator, dissolvent avoid a method.

通过对多种方法的分析和比较，确定采用乙腈和甲酸乙酯的亲核加成反应、氯化苄保护羟基、氰乙酸乙酯的Michael加成反应、脱羧反应生成3-苄氧基戊二腈的方法，并具体的讨论了每一步反应中反应物、催化剂、溶剂等的功能和可能产生的副产物及避免方法。

The clamp device comprises the grip part connected with the clamp part through the linking part, with the clamp part composed of concave part and the first and second arms extended to both sides, the first concave slot horizontally going through the first arm, the second concave slot horizontally through the second arm, a U shape tunnel parallel with the horizontal surface formed by two arms and with the concave part, cylinder hole set inside the top and down side all symmetrical inside the second deep slot, rotary shaft with both ends insertable to the cylinder hole, linking pole component fixed on the rotary shaft, limit component set on the first arm locking the linking pole.

本发明提供一种夹取装置，该装置包括：握持部，夹取部通过连接部与握持部连接；夹取部包括：凹形部，及由其两侧延伸的第一臂和第二臂，构成容置空间；第一凹槽，水平穿设于所述的第一臂，第二凹槽水平穿设于所述的第二臂，分别平行于凹形部及所述两个臂构成的平面，形成U形通道；圆柱形孔，对称设置于第二深槽的上下侧壁内；转动轴，两端可插入所述圆柱形孔中转动；连杆组件，固定于转动轴上；限位件，设置在第一臂上，用于锁定连杆。

A hammer drill, in particular a chipper comprising: a body 2 having at least one support handle 4; an electric motor mounted within the body 2 ;an electric switch 22, capable of being switched on and off by a trigger button 8 connected to it, to activate or deactivate respectively the electric motor, wherein the trigger button 8 is moveable between two positions, a first position where the electric switch 22 is off and a second position where the electric switch 22 is on; a locking arm 38 moveably mounted on the electric switch 22 which, when the trigger button 8 is located in its second position, is moveable between two positions, a first position where it is disengaged from the trigger button 8 and a second position where it engages with the trigger button 8 and holds the trigger button 8 in its second position.

锤钻特别是錾，包括：本体(2)，该本体(2)具有至少一个支撑手柄(4)；安装在本体(2)内的电动马达；电开关(22)，该电开关(22)能够由连接到电开关(22)上的触发按钮(8)接通和断开，从而分别使电动马达启动或停用，其中该触发按钮(8)能够在两个位置即第一位置和第二位置之间移动，在该第一位置处电开关(22)断开，在该第二位置处电开关(22)接通；可移动地安装在电开关(22)上的锁紧臂(38)，当触发按钮(8)位于它的第二位置中时，该锁紧臂(38)能够在两个位置即第一位置和第二位置之间移动，在该第一位置处锁紧臂(38)与触发按钮(8)脱离，在该第二位置处锁紧臂(38)与触发按钮(8)接合并将触发按钮(8)保持在触发按钮(8)的第二位置中。

The results show that Abstract Ericerus pelahas has one generation a year, overwinters by the fertilized femaleadults. It stars to feed and grow in forest march,spawning peak in second or late April.The larva are hatched in second or late May. It goes toleaves and then goes to stem in forest or second June. The male emerged in the second or late October dies after it male with it overwinters in November.

结果表明该虫1年发生1代，以受精雌成虫越冬，翌年3月上旬开始继续取食、生长， 4月中、下旬为产卵盛期，产卵期10~13 天，5月中、下旬为若虫孵化期， 6月上、中旬为若虫定叶、定杆期， 10月上、中旬雄虫羽化与雌成虫交尾后死亡，受精雌成虫11月中旬停止取食开始越冬。

ADSL supports data rates of from 128 kilobits per second to 9 megabits per second when receiving data and from 16 kilobits per second to 4 megabits per second when sending data.

ADSL支持每分钟128K到9兆的下行数据传输速率和每分钟16K到4M的上行数据传输速度，ADSL的实现需要一个特殊的ADSL猫

When the swirl variable device is part-opened, because swirl has some effect on the second injection, second injection timing has distinctly effect on fuel consumption, and the fuel consumption change fluctuantly with twice injection timing. When the tumble variable device is adopted, second injection timing also has effect on fuel consumption, but there is only one point that the fuel consumption is lowest. When the load is bigger, the second injection point where the fuel consumption is lowest is earlier than the smaller load.

在可变涡流结构中，当阀片处于非全开状态时，由于涡流运动对二次喷油的作用，二次喷油正时对发动机的比油耗存在明显影响，发动机比油耗随喷油正时改变呈较明显的波动状；在可变滚流结构中，二次喷油正时对发动机比油耗同样存在影响，但最低油耗点只有一个，当负荷较大时，最低比油耗所对应的喷油正时要更早一些。

This invention relates to a method for inviting users on-line used in conference services including: 1, in a process of setting up conversation between a first user device and a second user device, the first one gets the route set for transmitting signaling when having conversation between them and registers it, 2, the first device transmits a request to the second device with a new conversation ID to a service device to ask the second device to take part in the meeting, when the route set is not empty, the first device adds the registered route set to the route set of the request, 3, the service device and the second user device are connected for the conversation.

根据本发明的用于会议业务的在线用户邀请方法包括以下步骤：步骤S302，在第一用户设备与第二用户设备建立会话的过程中，第一用户设备从传输的消息获取第一用户设备和第二用户设备进行会话时传送信令的路由集合并记录路由集合；步骤S304，第一用户设备以新会话标识向会议业务服务设备发送对第二用户设备的请求消息以请求第二用户设备加入会议，在路由集合非空的情况下，第一用户设备将所记录的路由集合加入到请求消息的路由集合中；步骤S306，会议业务服务设备与第二用户设备进行会话连接。

The co-channel interference rejection filter for outputting a second input signal by removing co-channel interference from a first input signal; a first post processor for removing interference other than co-channel interference from the second input signal; a second post processor for removing interference other than co-channel interference from the first input signal; and a selection controller for selecting the output of the post processor which has less error by comparing the output of the first post processor with the output of the second post processor.

一种共道干扰消除器及其方法，其中抗共道干扰滤波器从第一输入信号中除去共道干扰并输出第二输入信号，第一后置处理器除去第二输入信号中的非共道干扰，第二后置处理器除去第一输入信号中的非共道干扰，选择控制器比较第一后置处理器和第二后置处理器的输出，从中选择误差较小的后置处理器输出。

"The Second China Paper Packaging Industry corrugated packaging and printing exhibition-cum-high-level strategic seminars, and the second session of the China Paper Packaging Industry Color Printing and Packaging Exhibition and high-level strategic seminars, and the second session of the China Paper Boutique Packaging Industry Printing and Packaging Fair "in 2009 October 15 to 17 successfully held in Ningbo, show reached an unprecedented scale in more than 15,000 square meters, including Bost, Germany, BHS, Hubei Jingshan, this chang, Xu Heng ironwork, Yiu Branch, Yu-pang, 10000 Alliance, Shengding, Tokyo, Dexter, victory Albert, German steel, Grand View, open up, good friends, music Huang, big pine, sea power, Qatar, Ding Long, Branch Shenglong North Korea and Chang, Kam Sheung Hing, Ji Xing, Eiffel, Shengyuan, etc. are more than 160 domestic and international famous brand supplier exhibitors, fully demonstrated, including pre-press plate-making systems, tile lines, water-based printing slotting machine, slitting machine , cross-cutting machine, rotary die cutting machine, platen die-cutting machine, folder gluer, laminating machine, UV coating machine, Laminator, UV inkjet equipment, carton color box proofing equipment, including a variety of corrugated boxes, color box printing and packaging equipment, has attracted more than 9,600 industry carton color box packaging and printing business professionals to visit the exhibition, access to the industry wide acclaim, becoming in 2009 the second half of the paper packaging industry, the annual communication, making friends, dealing a big gathering.

&第二届中国纸包装工业瓦楞纸箱包装印刷展览会暨高层战略研讨会、第二届中国纸包装工业（宁波彩盒印刷包装展览会暨高层战略研讨会、第二届中国纸包装工业印刷包装精品交易会&于2009年10月15日至17日在宁波成功举办，展会规模达到了空前的15000多平方米，包括博斯特、德国BHS、湖北京山、今昌、旭恒铁工、耀科、誉邦、万联、盛鼎、东京文洪、胜利伟业、德钢、宏景、开拓、佳友、音皇、大松、海力、卡达、鼎龙、科盛隆、朝昌、锦上兴、冀星、埃菲尔、盛源等国内外160多家国内外著名品牌供应商参展，充分展示了包括印前制版系统、瓦线、水性印刷开槽机、纵切机、横切机、圆压圆模切机、平压平模切机、糊盒机、覆膜机、UV 上光机、裱纸机、UV喷墨设备、纸箱彩盒打样设备等在内的各种瓦楞纸箱、彩盒印刷包装设备，吸引了业内9600多名纸箱彩盒包装印刷企业专业人士前去参观，获得业内人士的广泛好评，成为2009年下半年纸包装行业内一年一度的交流、交友、交易的大聚会。

The apparatus (40) further comprises a second mixer (42) with a second mixer input (45), a second local oscillator input (48), and a second mixer output.

该装置(40)进一步包括具有第二混频器输入(45)、第二本地振荡器输入(48)、和第二混频器输出的第二混频器(42)。

"The operators will suffer a temporary decrease in the number of consumers and short message services as people may not like having to provide their ID cards for a phone number," Xu Junqi, vice-dean with the Policy-Making Institute of the Telecommunications Research Centre under MII, said yesterday.

信息产业部下属的通信决策研究院副主任徐俊其昨天说：&实行手机实名制后，人们可能不太情愿用身份证注册手机号，所以通信运营商会暂时面临用户减少和短信用户减少的问题。&

I don't believe in make-believe!

我不相信这些虚构的故事。