Deprecated: Method ReflectionProperty::setAccessible() is deprecated since 8.5, as it has no effect since PHP 8.1 in /var/www/html/plugins/system/falangdriver/falangdriver.php on line 545
标准和测试 - bluetooth蓝牙技术
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中汽中心车联网V2X标准分析及测试方法探讨-CATARC吴飞燕

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建立 2023年10月04日 02:39, 星期三
已變更 2023年10月04日 02:39, 星期三
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尺寸 8.78 MB
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Automotive Ethernet andAutomotive Ethernet andApplication Testing
车载以太网及其应用测试
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建立 2023年10月04日 02:41, 星期三
已變更 2023年10月04日 02:41, 星期三
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尺寸 5.86 MB
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檔案 1,411
本实用新型公开了一种电池和具有其的电池模组、电池包，电池包括：壳体，壳体的一端敞开，壳体的形状为正多棱柱形；盖体，盖体设在壳体的所述一端，盖体与壳体共同限定出容纳空间，盖体上设有负极端子和多个正极端子，多个正极端子沿盖体的周向间隔设置；极芯，极芯设在容纳空间内。根据本实用新型的电池，可以增大极芯的容量，且壳体内可以容纳更多的电解液，以延长极芯的使用寿命，从而可以延长电池的使用寿命，同时在将多个电池连接为电池模组时，有效提高了外部空间利用率，避免电池短路或断路，电池能够满足各种尺寸电池模组的排布需求，以使电池模组适用于各种环境。
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建立 2023年10月29日 11:00, 星期日
已變更 2023年10月29日 11:28, 星期日
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尺寸 7.06 MB
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檔案 690
本公开涉及一种锂离子电池的正极材料及其制备方法、锂离子电池，该正极材料包括磷酸铁锂骨架、碳包覆层、硫包覆层和金属硫化物壳层，碳包覆层包覆在磷酸铁锂骨架的内部孔道壁和外表面上，硫包覆层填充在磷酸铁锂骨架的内部孔道并包覆在碳包覆层上，金属硫化物壳层包覆在硫包覆层上。本公开的制备方法包括：S1、将具有碳包覆层的磷酸铁锂骨架与液态硫接触；S2、将具有碳和硫复合包覆层的磷酸铁锂在有机溶剂中与金属前驱体在回流条件下接触。本公开的锂离子电池包括负极材料和所述的正极材料。本公开的正极材料能有效抑制多硫化物的溶出，本公开的电池容量和循环性能进一步得到显著提高。
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建立 2023年10月29日 16:04, 星期日
已變更 2023年10月29日 16:04, 星期日
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尺寸 2.18 MB
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unknown4 “杰康管家”APP安装包-安卓版 2.1.1 最新
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杰康管家APP安卓版

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建立 2026年11月06日 22:03, 星期五
已變更 2026年11月06日 22:03, 星期五
版本 2.1.1
尺寸 21.88 MB
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Deprecated: Using null as the key parameter for array_key_exists() is deprecated, use an empty string instead in /var/www/html/libraries/CBLib/CB/Legacy/cbPluginHandler.php on line 323

Deprecated: Using null as the key parameter for array_key_exists() is deprecated, use an empty string instead in /var/www/html/libraries/CBLib/CB/Legacy/cbPluginHandler.php on line 323

Deprecated: Using null as the key parameter for array_key_exists() is deprecated, use an empty string instead in /var/www/html/libraries/CBLib/CB/Legacy/cbPluginHandler.php on line 323

Deprecated: Using null as the key parameter for array_key_exists() is deprecated, use an empty string instead in /var/www/html/libraries/CBLib/CB/Legacy/cbPluginHandler.php on line 323

Deprecated: Using null as the key parameter for array_key_exists() is deprecated, use an empty string instead in /var/www/html/libraries/CBLib/CB/Legacy/cbPluginHandler.php on line 323

Deprecated: Using null as the key parameter for array_key_exists() is deprecated, use an empty string instead in /var/www/html/libraries/CBLib/CB/Legacy/cbPluginHandler.php on line 323

Deprecated: Using null as an array offset is deprecated, use an empty string instead in /var/www/html/components/com_comprofiler/plugin/user/plug_cbjdownloads/cbjdownloads.php on line 49

Deprecated: Using null as an array offset is deprecated, use an empty string instead in /var/www/html/components/com_comprofiler/plugin/user/plug_cbblogs/cbblogs.php on line 48

Deprecated: Using null as an array offset is deprecated, use an empty string instead in /var/www/html/components/com_comprofiler/plugin/user/plug_cbarticles/cbarticles.php on line 47

Deprecated: Using null as the key parameter for array_key_exists() is deprecated, use an empty string instead in /var/www/html/libraries/CBLib/CB/Legacy/cbPluginHandler.php on line 323

Deprecated: Using null as an array offset is deprecated, use an empty string instead in /var/www/html/libraries/src/Menu/AbstractMenu.php on line 164

Deprecated: Method ReflectionProperty::setAccessible() is deprecated since 8.5, as it has no effect since PHP 8.1 in /var/www/html/plugins/system/falangdriver/falangdriver.php on line 97

Deprecated: Method ReflectionProperty::setAccessible() is deprecated since 8.5, as it has no effect since PHP 8.1 in /var/www/html/plugins/system/falangdriver/falangdriver.php on line 97
mysqli object is already closed (500 Whoops, looks like something went wrong.)

Error

HTTP 500 Whoops, looks like something went wrong.

mysqli object is already closed

Exception

Error

in /var/www/html/libraries/vendor/joomla/database/src/Mysqli/MysqliDriver.php (line 318)
  1. */
  2. public function disconnect()
  3. {
  4. // Close the connection.
  5. if (\is_callable([$this->connection, 'close'])) {
  6. $this->connection->close();
  7. }
  9. parent::disconnect();
  10. }
in /var/www/html/libraries/vendor/joomla/database/src/Mysqli/MysqliDriver.php -> close (line 318)
  1. */
  2. public function disconnect()
  3. {
  4. // Close the connection.
  5. if (\is_callable([$this->connection, 'close'])) {
  6. $this->connection->close();
  7. }
  9. parent::disconnect();
  10. }
in /var/www/html/libraries/vendor/joomla/database/src/DatabaseDriver.php -> disconnect (line 495)
  1. *
  2. * @since 2.0.0
  3. */
  4. public function __destruct()
  5. {
  6. $this->disconnect();
  7. }
  9. /**
  10. * Alter database's character set.
  11. *
DatabaseDriver->__destruct()

Stack Trace

Error 
Error:
mysqli object is already closed

  at /var/www/html/libraries/vendor/joomla/database/src/Mysqli/MysqliDriver.php:318
  at mysqli->close()
     (/var/www/html/libraries/vendor/joomla/database/src/Mysqli/MysqliDriver.php:318)
  at Joomla\Database\Mysqli\MysqliDriver->disconnect()
     (/var/www/html/libraries/vendor/joomla/database/src/DatabaseDriver.php:495)
  at Joomla\Database\DatabaseDriver->__destruct()

Deprecated: Method ReflectionProperty::setAccessible() is deprecated since 8.5, as it has no effect since PHP 8.1 in /var/www/html/plugins/system/falangdriver/falangdriver.php on line 97

Deprecated: Method ReflectionProperty::setAccessible() is deprecated since 8.5, as it has no effect since PHP 8.1 in /var/www/html/plugins/system/falangdriver/falangdriver.php on line 97