datalist:8数据库“tempdb”的事务日志已满，原因为“ACTIVE_TRANSACTION”。   在 System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection, Action`1 wrapCloseInAction)
   在 System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj, Boolean callerHasConnectionLock, Boolean asyncClose)
   在 System.Data.SqlClient.TdsParser.TryRun(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj, Boolean& dataReady)
   在 System.Data.SqlClient.SqlDataReader.TryConsumeMetaData()
   在 System.Data.SqlClient.SqlDataReader.get_MetaData()
   在 System.Data.SqlClient.SqlCommand.FinishExecuteReader(SqlDataReader ds, RunBehavior runBehavior, String resetOptionsString, Boolean isInternal, Boolean forDescribeParameterEncryption, Boolean shouldCacheForAlwaysEncrypted)
   在 System.Data.SqlClient.SqlCommand.RunExecuteReaderTds(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, Boolean async, Int32 timeout, Task& task, Boolean asyncWrite, Boolean inRetry, SqlDataReader ds, Boolean describeParameterEncryptionRequest)
   在 System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method, TaskCompletionSource`1 completion, Int32 timeout, Task& task, Boolean& usedCache, Boolean asyncWrite, Boolean inRetry)
   在 System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method)
   在 System.Data.SqlClient.SqlCommand.ExecuteReader(CommandBehavior behavior, String method)
   在 System.Data.SqlClient.SqlCommand.ExecuteReader()
   在 B2b.Shop.ShopBase.GetDataList(Int32 iValue, Int32 iSize, List`1& loValues) 位置 f:\mywork\b2b168\b2bweb\B2bBase\ShopBase.cs:行号 4543datalist:6数据库“tempdb”的事务日志已满，原因为“ACTIVE_TRANSACTION”。   在 System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection, Action`1 wrapCloseInAction)
   在 System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj, Boolean callerHasConnectionLock, Boolean asyncClose)
   在 System.Data.SqlClient.TdsParser.TryRun(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj, Boolean& dataReady)
   在 System.Data.SqlClient.SqlDataReader.TryConsumeMetaData()
   在 System.Data.SqlClient.SqlDataReader.get_MetaData()
   在 System.Data.SqlClient.SqlCommand.FinishExecuteReader(SqlDataReader ds, RunBehavior runBehavior, String resetOptionsString, Boolean isInternal, Boolean forDescribeParameterEncryption, Boolean shouldCacheForAlwaysEncrypted)
   在 System.Data.SqlClient.SqlCommand.RunExecuteReaderTds(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, Boolean async, Int32 timeout, Task& task, Boolean asyncWrite, Boolean inRetry, SqlDataReader ds, Boolean describeParameterEncryptionRequest)
   在 System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method, TaskCompletionSource`1 completion, Int32 timeout, Task& task, Boolean& usedCache, Boolean asyncWrite, Boolean inRetry)
   在 System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method)
   在 System.Data.SqlClient.SqlCommand.ExecuteReader(CommandBehavior behavior, String method)
   在 System.Data.SqlClient.SqlCommand.ExecuteReader()
   在 B2b.Shop.ShopBase.GetDataList(Int32 iValue, Int32 iSize, List`1& loValues) 位置 f:\mywork\b2b168\b2bweb\B2bBase\ShopBase.cs:行号 4543datalist:2数据库“tempdb”的事务日志已满，原因为“ACTIVE_TRANSACTION”。   在 System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection, Action`1 wrapCloseInAction)
   在 System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj, Boolean callerHasConnectionLock, Boolean asyncClose)
   在 System.Data.SqlClient.TdsParser.TryRun(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj, Boolean& dataReady)
   在 System.Data.SqlClient.SqlDataReader.TryConsumeMetaData()
   在 System.Data.SqlClient.SqlDataReader.get_MetaData()
   在 System.Data.SqlClient.SqlCommand.FinishExecuteReader(SqlDataReader ds, RunBehavior runBehavior, String resetOptionsString, Boolean isInternal, Boolean forDescribeParameterEncryption, Boolean shouldCacheForAlwaysEncrypted)
   在 System.Data.SqlClient.SqlCommand.RunExecuteReaderTds(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, Boolean async, Int32 timeout, Task& task, Boolean asyncWrite, Boolean inRetry, SqlDataReader ds, Boolean describeParameterEncryptionRequest)
   在 System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method, TaskCompletionSource`1 completion, Int32 timeout, Task& task, Boolean& usedCache, Boolean asyncWrite, Boolean inRetry)
   在 System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method)
   在 System.Data.SqlClient.SqlCommand.ExecuteReader(CommandBehavior behavior, String method)
   在 System.Data.SqlClient.SqlCommand.ExecuteReader()
   在 B2b.Shop.ShopBase.GetDataList(Int32 iValue, Int32 iSize, List`1& loValues) 位置 f:\mywork\b2b168\b2bweb\B2bBase\ShopBase.cs:行号 4543datalist:2数据库“tempdb”的事务日志已满，原因为“ACTIVE_TRANSACTION”。   在 System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection, Action`1 wrapCloseInAction)
   在 System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj, Boolean callerHasConnectionLock, Boolean asyncClose)
   在 System.Data.SqlClient.TdsParser.TryRun(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj, Boolean& dataReady)
   在 System.Data.SqlClient.SqlDataReader.TryConsumeMetaData()
   在 System.Data.SqlClient.SqlDataReader.get_MetaData()
   在 System.Data.SqlClient.SqlCommand.FinishExecuteReader(SqlDataReader ds, RunBehavior runBehavior, String resetOptionsString, Boolean isInternal, Boolean forDescribeParameterEncryption, Boolean shouldCacheForAlwaysEncrypted)
   在 System.Data.SqlClient.SqlCommand.RunExecuteReaderTds(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, Boolean async, Int32 timeout, Task& task, Boolean asyncWrite, Boolean inRetry, SqlDataReader ds, Boolean describeParameterEncryptionRequest)
   在 System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method, TaskCompletionSource`1 completion, Int32 timeout, Task& task, Boolean& usedCache, Boolean asyncWrite, Boolean inRetry)
   在 System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method)
   在 System.Data.SqlClient.SqlCommand.ExecuteReader(CommandBehavior behavior, String method)
   在 System.Data.SqlClient.SqlCommand.ExecuteReader()
   在 B2b.Shop.ShopBase.GetDataList(Int32 iValue, Int32 iSize, List`1& loValues) 位置 f:\mywork\b2b168\b2bweb\B2bBase\ShopBase.cs:行号 4543<!DOCTYPE html>
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<ul class="jieshao animated zoomIn"><h1>济南光刻机震动测试</h1>
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<span class="ssx01">资质</span><span class="ssx02">CMA</span>
<span class="ssx01">检测设备</span><span class="ssx02">微振速度传感器</span>
<span class="ssx01">技术团队</span><span class="ssx02">声学博士核心</span>
<span class="ssx01">服务范围</span><span class="ssx02">全国</span>
<span class="ssx01">品牌</span><span class="ssx02">宁韵</span>
</div>
南京宁韵环境检测有限公司是一家开展各类振动噪声第三方检测机构。公司组成了一支由声学博士为核心的技术队伍，已建成LMS&nbsp;12+&nbsp;振动噪声分析系统、B&amp;K&nbsp;PULSE分析系统、B&amp;K&nbsp;声强、B&amp;K&nbsp;2250声级计、B&amp;K&nbsp;声校准和BSWA&nbsp;1级精度声级计。&nbsp;公司具备各类酒店、商务场所、住宅以及乘用车、船舶、高速列车、机械设备等多个领域的振动噪声测试经验。已取得检验检测机构资质证书(CMA)。<br/>建筑结构防微振设计应采取下列综合措施:<br/>1建筑物地基基础的防微振措施;<br/>2地面结构的防微振措施;<br/>3主体结构的防微振措施;<br/>4精密设备及仪器的立基础的防微振措施。<br/>建筑结构防微振设计应具备下列资料:<br/>1&nbsp;精密设备及仪器容许振动值;<br/>2&nbsp;工程地质及水文地质勘察报告;<br/>3&nbsp;地基动力特性测试报告，当不具条件时可按现行标准《动力机器基础设计规范》G040的有关规定取值;<br/>4&nbsp;场地环境振动测试及分析报告。<br/>建筑结构防微振设计宜具备下列资料:<br/>1精密设备及仪器在建筑物内的工艺布置、外形尺寸、重量及工作方式;<br/>2动力设备在建筑物内的位置、外形尺寸、重量、转速及运行方式;<br/>3管道在建筑物内的空间位置、单位长度重量及输送介质。<br/><img style="margin: auto;clear: both;display: block" src="//l.b2b168.com/2022/06/02/08/202206020839594357684.jpg" alt="济南光刻机震动测试"/><br/>振动数据采集<br/>1数据采集前,同型号传感器应进行试采样及比对分析。<br/>2采样频率应大于数据分析截止频率的2倍,每个样本数据不应少于1024个。<br/>3采样时间和次数应符合下列要求:<br/>1随机振动不应小于20min;<br/>2稳态振动不应小于5min;<br/>3同类移动振源不应少于振源通过5次;<br/>4同类冲击振动不应少于5次。<br/>每次采样除规定的振源及振源组合外,其余振源应停止运行。<br/>采用激振器激振时,应待激振频率及扰力幅值稳定时采样。<br/><img style="margin: auto;clear: both;display: block" src="//l.b2b168.com/2022/06/03/09/202206030935042444924.jpg" alt="济南光刻机震动测试"/><br/>精密仪器与设备本身是一个多自由度的复杂弹性系统，自身具有多个固有振动频率及阻尼比，当外界振动频率与某个固有振动频率一致时，系统产生共振，会影响其正常工作。而对于外界环境振动，经大量实例及研究结果，是一种平稳随机振动过程，本身含有丰富的简谐振动频率，为了确保仪器及设备的正常工作，对外界环境中存在各种不同频率的振动幅值进行限制，以减弱因共振等产生振动影响的做法是较为科学的。<br/>国标GB&nbsp;50868-2013&nbsp;《建筑工程容许振动标准》给出了各类精密设备振动容许的限值。该限值包括以1/3倍频程计算的等效值和各个频带的峰值。同时，在电子工业行业，很多时候采用美国通用标准VC曲线来评价，它是评价4-100Hz的1/3倍频程振动速度均方根值.<br/><img style="margin: auto;clear: both;display: block" src="//l.b2b168.com/2022/06/03/09/202206030937538330664.jpg" alt="济南光刻机震动测试"/><br/>建筑物振动测试<br/>精密设备及仪器的立基础动力特性测试应符合下列要求:<br/>1.&nbsp;可采用冲击法或共振法测试基础固有振动频率及阻尼比，传感器应布置于基础**面的质心投影点位置;<br/>2.&nbsp;动力特性测试的重复测试次数不应少于3次。<br/>检测领域：各类环境噪声、室内低频噪声、电梯噪音；&nbsp;空气声和撞击声隔声、混响时间、语音清晰度、开放办公声学特性、厅堂扩声；声屏障、隔声间、隔声罩和；各类振动测试评价、建筑结构振动、精密设备振动、机械振动测试；声功率和发射声压级测试；声强测试分析；轨道交通、汽车、船舶噪声检测。<br /><a href="http://nytesting.b2b168.com/">http://nytesting.b2b168.com</a>

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