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Article Object
(
[_status:protected] => Array
(
[0] => 已发布
[1] => 草稿
[2] => 禁用
[3] => 已审核
[4] => 已回收
)
[_sticky:protected] => Array
(
[0] => 否
[1] => 置顶
)
[_md:CActiveRecord:private] => CActiveRecordMetaData Object
(
[tableSchema] => CMysqlTableSchema Object
(
[schemaName] =>
[name] => article
[rawName] => `article`
[primaryKey] => id
[sequenceName] =>
[foreignKeys] => Array
(
)
[columns] => Array
(
[id] => CMysqlColumnSchema Object
(
[name] => id
[rawName] => `id`
[allowNull] =>
[dbType] => int(10) unsigned
[type] => string
[defaultValue] =>
[size] => 10
[precision] => 10
[scale] =>
[isPrimaryKey] => 1
[isForeignKey] =>
[autoIncrement] => 1
[comment] =>
[_e:CComponent:private] =>
[_m:CComponent:private] =>
)
[sort_id] => CMysqlColumnSchema Object
(
[name] => sort_id
[rawName] => `sort_id`
[allowNull] =>
[dbType] => smallint(6) unsigned
[type] => integer
[defaultValue] => 0
[size] => 6
[precision] => 6
[scale] =>
[isPrimaryKey] =>
[isForeignKey] =>
[autoIncrement] =>
[comment] => 分类id
[_e:CComponent:private] =>
[_m:CComponent:private] =>
)
[title] => CMysqlColumnSchema Object
(
[name] => title
[rawName] => `title`
[allowNull] => 1
[dbType] => varchar(255)
[type] => string
[defaultValue] =>
[size] => 255
[precision] => 255
[scale] =>
[isPrimaryKey] =>
[isForeignKey] =>
[autoIncrement] =>
[comment] => 标题
[_e:CComponent:private] =>
[_m:CComponent:private] =>
)
[title_pic] => CMysqlColumnSchema Object
(
[name] => title_pic
[rawName] => `title_pic`
[allowNull] => 1
[dbType] => varchar(255)
[type] => string
[defaultValue] =>
[size] => 255
[precision] => 255
[scale] =>
[isPrimaryKey] =>
[isForeignKey] =>
[autoIncrement] =>
[comment] => 标题图片
[_e:CComponent:private] =>
[_m:CComponent:private] =>
)
[intro] => CMysqlColumnSchema Object
(
[name] => intro
[rawName] => `intro`
[allowNull] => 1
[dbType] => text
[type] => string
[defaultValue] =>
[size] =>
[precision] =>
[scale] =>
[isPrimaryKey] =>
[isForeignKey] =>
[autoIncrement] =>
[comment] => 简介
[_e:CComponent:private] =>
[_m:CComponent:private] =>
)
[source] => CMysqlColumnSchema Object
(
[name] => source
[rawName] => `source`
[allowNull] => 1
[dbType] => varchar(255)
[type] => string
[defaultValue] =>
[size] => 255
[precision] => 255
[scale] =>
[isPrimaryKey] =>
[isForeignKey] =>
[autoIncrement] =>
[comment] => 来源
[_e:CComponent:private] =>
[_m:CComponent:private] =>
)
[source_link] => CMysqlColumnSchema Object
(
[name] => source_link
[rawName] => `source_link`
[allowNull] => 1
[dbType] => varchar(255)
[type] => string
[defaultValue] =>
[size] => 255
[precision] => 255
[scale] =>
[isPrimaryKey] =>
[isForeignKey] =>
[autoIncrement] =>
[comment] => 来源链接
[_e:CComponent:private] =>
[_m:CComponent:private] =>
)
[author] => CMysqlColumnSchema Object
(
[name] => author
[rawName] => `author`
[allowNull] => 1
[dbType] => varchar(255)
[type] => string
[defaultValue] =>
[size] => 255
[precision] => 255
[scale] =>
[isPrimaryKey] =>
[isForeignKey] =>
[autoIncrement] =>
[comment] => 作者
[_e:CComponent:private] =>
[_m:CComponent:private] =>
)
[editor] => CMysqlColumnSchema Object
(
[name] => editor
[rawName] => `editor`
[allowNull] => 1
[dbType] => varchar(255)
[type] => string
[defaultValue] =>
[size] => 255
[precision] => 255
[scale] =>
[isPrimaryKey] =>
[isForeignKey] =>
[autoIncrement] =>
[comment] => 编辑
[_e:CComponent:private] =>
[_m:CComponent:private] =>
)
[admin_id] => CMysqlColumnSchema Object
(
[name] => admin_id
[rawName] => `admin_id`
[allowNull] =>
[dbType] => int(10) unsigned
[type] => string
[defaultValue] => 0
[size] => 10
[precision] => 10
[scale] =>
[isPrimaryKey] =>
[isForeignKey] =>
[autoIncrement] =>
[comment] => 管理员id
[_e:CComponent:private] =>
[_m:CComponent:private] =>
)
[content] => CMysqlColumnSchema Object
(
[name] => content
[rawName] => `content`
[allowNull] => 1
[dbType] => text
[type] => string
[defaultValue] =>
[size] =>
[precision] =>
[scale] =>
[isPrimaryKey] =>
[isForeignKey] =>
[autoIncrement] =>
[comment] => 内容
[_e:CComponent:private] =>
[_m:CComponent:private] =>
)
[created_at] => CMysqlColumnSchema Object
(
[name] => created_at
[rawName] => `created_at`
[allowNull] =>
[dbType] => datetime
[type] => string
[defaultValue] => 0000-00-00 00:00:00
[size] =>
[precision] =>
[scale] =>
[isPrimaryKey] =>
[isForeignKey] =>
[autoIncrement] =>
[comment] => 创建日期
[_e:CComponent:private] =>
[_m:CComponent:private] =>
)
[updated_at] => CMysqlColumnSchema Object
(
[name] => updated_at
[rawName] => `updated_at`
[allowNull] =>
[dbType] => datetime
[type] => string
[defaultValue] => 0000-00-00 00:00:00
[size] =>
[precision] =>
[scale] =>
[isPrimaryKey] =>
[isForeignKey] =>
[autoIncrement] =>
[comment] => 更新日期
[_e:CComponent:private] =>
[_m:CComponent:private] =>
)
[published_at] => CMysqlColumnSchema Object
(
[name] => published_at
[rawName] => `published_at`
[allowNull] =>
[dbType] => datetime
[type] => string
[defaultValue] => 0000-00-00 00:00:00
[size] =>
[precision] =>
[scale] =>
[isPrimaryKey] =>
[isForeignKey] =>
[autoIncrement] =>
[comment] => 发布日期
[_e:CComponent:private] =>
[_m:CComponent:private] =>
)
[status] => CMysqlColumnSchema Object
(
[name] => status
[rawName] => `status`
[allowNull] =>
[dbType] => tinyint(1) unsigned
[type] => integer
[defaultValue] => 0
[size] => 1
[precision] => 1
[scale] =>
[isPrimaryKey] =>
[isForeignKey] =>
[autoIncrement] =>
[comment] => 状态
[_e:CComponent:private] =>
[_m:CComponent:private] =>
)
[sticky] => CMysqlColumnSchema Object
(
[name] => sticky
[rawName] => `sticky`
[allowNull] =>
[dbType] => tinyint(1) unsigned
[type] => integer
[defaultValue] => 0
[size] => 1
[precision] => 1
[scale] =>
[isPrimaryKey] =>
[isForeignKey] =>
[autoIncrement] =>
[comment] => 推荐
[_e:CComponent:private] =>
[_m:CComponent:private] =>
)
[display_order] => CMysqlColumnSchema Object
(
[name] => display_order
[rawName] => `display_order`
[allowNull] =>
[dbType] => smallint(6) unsigned
[type] => integer
[defaultValue] => 0
[size] => 6
[precision] => 6
[scale] =>
[isPrimaryKey] =>
[isForeignKey] =>
[autoIncrement] =>
[comment] => 排序
[_e:CComponent:private] =>
[_m:CComponent:private] =>
)
[article_type] => CMysqlColumnSchema Object
(
[name] => article_type
[rawName] => `article_type`
[allowNull] => 1
[dbType] => varchar(255)
[type] => string
[defaultValue] =>
[size] => 255
[precision] => 255
[scale] =>
[isPrimaryKey] =>
[isForeignKey] =>
[autoIncrement] =>
[comment] => 文章类型
[_e:CComponent:private] =>
[_m:CComponent:private] =>
)
[language] => CMysqlColumnSchema Object
(
[name] => language
[rawName] => `language`
[allowNull] => 1
[dbType] => varchar(20)
[type] => string
[defaultValue] =>
[size] => 20
[precision] => 20
[scale] =>
[isPrimaryKey] =>
[isForeignKey] =>
[autoIncrement] =>
[comment] =>
[_e:CComponent:private] =>
[_m:CComponent:private] =>
)
[subtitle] => CMysqlColumnSchema Object
(
[name] => subtitle
[rawName] => `subtitle`
[allowNull] => 1
[dbType] => varchar(255)
[type] => string
[defaultValue] =>
[size] => 255
[precision] => 255
[scale] =>
[isPrimaryKey] =>
[isForeignKey] =>
[autoIncrement] =>
[comment] =>
[_e:CComponent:private] =>
[_m:CComponent:private] =>
)
[file] => CMysqlColumnSchema Object
(
[name] => file
[rawName] => `file`
[allowNull] => 1
[dbType] => varchar(255)
[type] => string
[defaultValue] =>
[size] => 255
[precision] => 255
[scale] =>
[isPrimaryKey] =>
[isForeignKey] =>
[autoIncrement] =>
[comment] =>
[_e:CComponent:private] =>
[_m:CComponent:private] =>
)
[is_oauth] => CMysqlColumnSchema Object
(
[name] => is_oauth
[rawName] => `is_oauth`
[allowNull] =>
[dbType] => tinyint(1) unsigned
[type] => integer
[defaultValue] => 0
[size] => 1
[precision] => 1
[scale] =>
[isPrimaryKey] =>
[isForeignKey] =>
[autoIncrement] =>
[comment] => 是否需要认证(0为不限制)
[_e:CComponent:private] =>
[_m:CComponent:private] =>
)
[is_highlight] => CMysqlColumnSchema Object
(
[name] => is_highlight
[rawName] => `is_highlight`
[allowNull] =>
[dbType] => tinyint(1) unsigned
[type] => integer
[defaultValue] => 0
[size] => 1
[precision] => 1
[scale] =>
[isPrimaryKey] =>
[isForeignKey] =>
[autoIncrement] =>
[comment] => 是否高亮
[_e:CComponent:private] =>
[_m:CComponent:private] =>
)
)
[_e:CComponent:private] =>
[_m:CComponent:private] =>
)
[columns] => Array
(
[id] => CMysqlColumnSchema Object
(
[name] => id
[rawName] => `id`
[allowNull] =>
[dbType] => int(10) unsigned
[type] => string
[defaultValue] =>
[size] => 10
[precision] => 10
[scale] =>
[isPrimaryKey] => 1
[isForeignKey] =>
[autoIncrement] => 1
[comment] =>
[_e:CComponent:private] =>
[_m:CComponent:private] =>
)
[sort_id] => CMysqlColumnSchema Object
(
[name] => sort_id
[rawName] => `sort_id`
[allowNull] =>
[dbType] => smallint(6) unsigned
[type] => integer
[defaultValue] => 0
[size] => 6
[precision] => 6
[scale] =>
[isPrimaryKey] =>
[isForeignKey] =>
[autoIncrement] =>
[comment] => 分类id
[_e:CComponent:private] =>
[_m:CComponent:private] =>
)
[title] => CMysqlColumnSchema Object
(
[name] => title
[rawName] => `title`
[allowNull] => 1
[dbType] => varchar(255)
[type] => string
[defaultValue] =>
[size] => 255
[precision] => 255
[scale] =>
[isPrimaryKey] =>
[isForeignKey] =>
[autoIncrement] =>
[comment] => 标题
[_e:CComponent:private] =>
[_m:CComponent:private] =>
)
[title_pic] => CMysqlColumnSchema Object
(
[name] => title_pic
[rawName] => `title_pic`
[allowNull] => 1
[dbType] => varchar(255)
[type] => string
[defaultValue] =>
[size] => 255
[precision] => 255
[scale] =>
[isPrimaryKey] =>
[isForeignKey] =>
[autoIncrement] =>
[comment] => 标题图片
[_e:CComponent:private] =>
[_m:CComponent:private] =>
)
[intro] => CMysqlColumnSchema Object
(
[name] => intro
[rawName] => `intro`
[allowNull] => 1
[dbType] => text
[type] => string
[defaultValue] =>
[size] =>
[precision] =>
[scale] =>
[isPrimaryKey] =>
[isForeignKey] =>
[autoIncrement] =>
[comment] => 简介
[_e:CComponent:private] =>
[_m:CComponent:private] =>
)
[source] => CMysqlColumnSchema Object
(
[name] => source
[rawName] => `source`
[allowNull] => 1
[dbType] => varchar(255)
[type] => string
[defaultValue] =>
[size] => 255
[precision] => 255
[scale] =>
[isPrimaryKey] =>
[isForeignKey] =>
[autoIncrement] =>
[comment] => 来源
[_e:CComponent:private] =>
[_m:CComponent:private] =>
)
[source_link] => CMysqlColumnSchema Object
(
[name] => source_link
[rawName] => `source_link`
[allowNull] => 1
[dbType] => varchar(255)
[type] => string
[defaultValue] =>
[size] => 255
[precision] => 255
[scale] =>
[isPrimaryKey] =>
[isForeignKey] =>
[autoIncrement] =>
[comment] => 来源链接
[_e:CComponent:private] =>
[_m:CComponent:private] =>
)
[author] => CMysqlColumnSchema Object
(
[name] => author
[rawName] => `author`
[allowNull] => 1
[dbType] => varchar(255)
[type] => string
[defaultValue] =>
[size] => 255
[precision] => 255
[scale] =>
[isPrimaryKey] =>
[isForeignKey] =>
[autoIncrement] =>
[comment] => 作者
[_e:CComponent:private] =>
[_m:CComponent:private] =>
)
[editor] => CMysqlColumnSchema Object
(
[name] => editor
[rawName] => `editor`
[allowNull] => 1
[dbType] => varchar(255)
[type] => string
[defaultValue] =>
[size] => 255
[precision] => 255
[scale] =>
[isPrimaryKey] =>
[isForeignKey] =>
[autoIncrement] =>
[comment] => 编辑
[_e:CComponent:private] =>
[_m:CComponent:private] =>
)
[admin_id] => CMysqlColumnSchema Object
(
[name] => admin_id
[rawName] => `admin_id`
[allowNull] =>
[dbType] => int(10) unsigned
[type] => string
[defaultValue] => 0
[size] => 10
[precision] => 10
[scale] =>
[isPrimaryKey] =>
[isForeignKey] =>
[autoIncrement] =>
[comment] => 管理员id
[_e:CComponent:private] =>
[_m:CComponent:private] =>
)
[content] => CMysqlColumnSchema Object
(
[name] => content
[rawName] => `content`
[allowNull] => 1
[dbType] => text
[type] => string
[defaultValue] =>
[size] =>
[precision] =>
[scale] =>
[isPrimaryKey] =>
[isForeignKey] =>
[autoIncrement] =>
[comment] => 内容
[_e:CComponent:private] =>
[_m:CComponent:private] =>
)
[created_at] => CMysqlColumnSchema Object
(
[name] => created_at
[rawName] => `created_at`
[allowNull] =>
[dbType] => datetime
[type] => string
[defaultValue] => 0000-00-00 00:00:00
[size] =>
[precision] =>
[scale] =>
[isPrimaryKey] =>
[isForeignKey] =>
[autoIncrement] =>
[comment] => 创建日期
[_e:CComponent:private] =>
[_m:CComponent:private] =>
)
[updated_at] => CMysqlColumnSchema Object
(
[name] => updated_at
[rawName] => `updated_at`
[allowNull] =>
[dbType] => datetime
[type] => string
[defaultValue] => 0000-00-00 00:00:00
[size] =>
[precision] =>
[scale] =>
[isPrimaryKey] =>
[isForeignKey] =>
[autoIncrement] =>
[comment] => 更新日期
[_e:CComponent:private] =>
[_m:CComponent:private] =>
)
[published_at] => CMysqlColumnSchema Object
(
[name] => published_at
[rawName] => `published_at`
[allowNull] =>
[dbType] => datetime
[type] => string
[defaultValue] => 0000-00-00 00:00:00
[size] =>
[precision] =>
[scale] =>
[isPrimaryKey] =>
[isForeignKey] =>
[autoIncrement] =>
[comment] => 发布日期
[_e:CComponent:private] =>
[_m:CComponent:private] =>
)
[status] => CMysqlColumnSchema Object
(
[name] => status
[rawName] => `status`
[allowNull] =>
[dbType] => tinyint(1) unsigned
[type] => integer
[defaultValue] => 0
[size] => 1
[precision] => 1
[scale] =>
[isPrimaryKey] =>
[isForeignKey] =>
[autoIncrement] =>
[comment] => 状态
[_e:CComponent:private] =>
[_m:CComponent:private] =>
)
[sticky] => CMysqlColumnSchema Object
(
[name] => sticky
[rawName] => `sticky`
[allowNull] =>
[dbType] => tinyint(1) unsigned
[type] => integer
[defaultValue] => 0
[size] => 1
[precision] => 1
[scale] =>
[isPrimaryKey] =>
[isForeignKey] =>
[autoIncrement] =>
[comment] => 推荐
[_e:CComponent:private] =>
[_m:CComponent:private] =>
)
[display_order] => CMysqlColumnSchema Object
(
[name] => display_order
[rawName] => `display_order`
[allowNull] =>
[dbType] => smallint(6) unsigned
[type] => integer
[defaultValue] => 0
[size] => 6
[precision] => 6
[scale] =>
[isPrimaryKey] =>
[isForeignKey] =>
[autoIncrement] =>
[comment] => 排序
[_e:CComponent:private] =>
[_m:CComponent:private] =>
)
[article_type] => CMysqlColumnSchema Object
(
[name] => article_type
[rawName] => `article_type`
[allowNull] => 1
[dbType] => varchar(255)
[type] => string
[defaultValue] =>
[size] => 255
[precision] => 255
[scale] =>
[isPrimaryKey] =>
[isForeignKey] =>
[autoIncrement] =>
[comment] => 文章类型
[_e:CComponent:private] =>
[_m:CComponent:private] =>
)
[language] => CMysqlColumnSchema Object
(
[name] => language
[rawName] => `language`
[allowNull] => 1
[dbType] => varchar(20)
[type] => string
[defaultValue] =>
[size] => 20
[precision] => 20
[scale] =>
[isPrimaryKey] =>
[isForeignKey] =>
[autoIncrement] =>
[comment] =>
[_e:CComponent:private] =>
[_m:CComponent:private] =>
)
[subtitle] => CMysqlColumnSchema Object
(
[name] => subtitle
[rawName] => `subtitle`
[allowNull] => 1
[dbType] => varchar(255)
[type] => string
[defaultValue] =>
[size] => 255
[precision] => 255
[scale] =>
[isPrimaryKey] =>
[isForeignKey] =>
[autoIncrement] =>
[comment] =>
[_e:CComponent:private] =>
[_m:CComponent:private] =>
)
[file] => CMysqlColumnSchema Object
(
[name] => file
[rawName] => `file`
[allowNull] => 1
[dbType] => varchar(255)
[type] => string
[defaultValue] =>
[size] => 255
[precision] => 255
[scale] =>
[isPrimaryKey] =>
[isForeignKey] =>
[autoIncrement] =>
[comment] =>
[_e:CComponent:private] =>
[_m:CComponent:private] =>
)
[is_oauth] => CMysqlColumnSchema Object
(
[name] => is_oauth
[rawName] => `is_oauth`
[allowNull] =>
[dbType] => tinyint(1) unsigned
[type] => integer
[defaultValue] => 0
[size] => 1
[precision] => 1
[scale] =>
[isPrimaryKey] =>
[isForeignKey] =>
[autoIncrement] =>
[comment] => 是否需要认证(0为不限制)
[_e:CComponent:private] =>
[_m:CComponent:private] =>
)
[is_highlight] => CMysqlColumnSchema Object
(
[name] => is_highlight
[rawName] => `is_highlight`
[allowNull] =>
[dbType] => tinyint(1) unsigned
[type] => integer
[defaultValue] => 0
[size] => 1
[precision] => 1
[scale] =>
[isPrimaryKey] =>
[isForeignKey] =>
[autoIncrement] =>
[comment] => 是否高亮
[_e:CComponent:private] =>
[_m:CComponent:private] =>
)
)
[relations] => Array
(
[Admin] => CBelongsToRelation Object
(
[joinType] => LEFT OUTER JOIN
[on] =>
[alias] =>
[with] => Array
(
)
[together] =>
[scopes] =>
[name] => Admin
[className] => Admin
[foreignKey] => Array
(
[admin_id] => id
)
[select] => *
[condition] =>
[params] => Array
(
)
[group] =>
[join] =>
[having] =>
[order] =>
[_e:CComponent:private] =>
[_m:CComponent:private] =>
)
[Sort] => CBelongsToRelation Object
(
[joinType] => LEFT OUTER JOIN
[on] =>
[alias] =>
[with] => Array
(
)
[together] =>
[scopes] =>
[name] => Sort
[className] => Sort
[foreignKey] => Array
(
[sort_id] => id
)
[select] => *
[condition] =>
[params] => Array
(
)
[group] =>
[join] =>
[having] =>
[order] =>
[_e:CComponent:private] =>
[_m:CComponent:private] =>
)
)
[attributeDefaults] => Array
(
[sort_id] => 0
[admin_id] => 0
[created_at] => 0000-00-00 00:00:00
[updated_at] => 0000-00-00 00:00:00
[published_at] => 0000-00-00 00:00:00
[status] => 0
[sticky] => 0
[display_order] => 0
[is_oauth] => 0
[is_highlight] => 0
)
[_model:CActiveRecordMetaData:private] => Article Object
(
[_status:protected] =>
[_sticky:protected] =>
[_md:CActiveRecord:private] => CActiveRecordMetaData Object
*RECURSION*
[_new:CActiveRecord:private] =>
[_attributes:CActiveRecord:private] => Array
(
)
[_related:CActiveRecord:private] => Array
(
)
[_c:CActiveRecord:private] =>
[_pk:CActiveRecord:private] =>
[_alias:CActiveRecord:private] => t
[_errors:CModel:private] => Array
(
)
[_validators:CModel:private] =>
[_scenario:CModel:private] =>
[_e:CComponent:private] =>
[_m:CComponent:private] =>
)
)
[_new:CActiveRecord:private] =>
[_attributes:CActiveRecord:private] => Array
(
[id] => 4721
[title] => 双生长室分子束外延生长系统采购项目采购需求公示
[sort_id] => 56
[published_at] => 2020-03-17 10:13:33
)
[_related:CActiveRecord:private] => Array
(
)
[_c:CActiveRecord:private] =>
[_pk:CActiveRecord:private] => 4721
[_alias:CActiveRecord:private] => t
[_errors:CModel:private] => Array
(
)
[_validators:CModel:private] =>
[_scenario:CModel:private] => update
[_e:CComponent:private] =>
[_m:CComponent:private] =>
)
无液氦稀释制冷机采购项目采购需求公示
2020-03-17(一)项目基本信息
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项目名称 |
无液氦稀释制冷机采购 |
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采购预算(元) |
8,000,000.00 |
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是否接受进口设备 |
是 |
(二)货物清单
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序号 |
设备名称 |
数量 |
单位 |
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1 |
无液氦稀释制冷机 |
1 |
套 |
(三)商务需求
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序号 |
商务需求 |
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1 |
交货期的要求:签订合同后240天内 |
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2 |
质保期: 3年 |
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3 |
付款方式:合同生效并收到相应发票后支付合同总额的30%作为进度款;设备到达指定安装现场且安装、调试验收合格并提供全额发票后支付合同总额的65%;余款5%待质保期满12个月且无质量问题并经学校确认后支付。 |
(四)技术需求
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序号 |
设备名称 |
技术参数或功能要求 |
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1 |
无液氦稀释制冷机 |
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1.1 ▲最低制冷温度:£ 5mK |
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1.2 温度稳定性:±1mK (<100mK时);±1% (> 100 mK时) |
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1.3 ▲100mK时制冷制功率 ³ 900μW |
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1.4 ▲稀释制冷机带磁场连续可控温范围:从最低温度到 30K |
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1.5为了精确控制样品温度以及满足实验对于精确温度的要求,每一层冷盘(plate)包括mixing chamber里都要配温度传感器,并且在still和mixing chamber里要有增温装置(heater)。并配备多通道温控仪,混合室冷盘安装标定过的温度计 |
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1.6无磁铁时混合室冷盘下样品空间不小于290mm直径×240mm高 |
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1.7 ▲制冷机内部只有一个公共的真空系统,满足低温下引线密闭性的要求,同时减轻维护负担 |
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1.8两套脉冲管制冷机:4K制冷功率1.5W,并采用remote valve技术以减少振动 |
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1.9脉冲管制冷机、泵浦系统、温度测量系统等和稀释制冷机主机电绝缘 |
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1.10主机所用泵浦系统需要采用无油泵。用于氦循环的氦气压气机不能是涡旋泵(scroll pump),以规避发生由于磨损引入杂质或漏气的风险 |
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1.11▲系统需采取液氦预冷回路方式冷却,该液氦冷却回路同时可以在广泛的温度范围内对系统进行控温 |
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1.12为了便于维护,需要配备可置换的外部冷阱,在清理杂质时不需要拆掉冷阱 |
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1.13对于稀释制冷机中安装高频线缆的直通孔,在不需要更改的情况下,每个直通孔都可以适配以后升级更高密度半刚性高频同轴线(>35根)的安装要求,操作频率不低于18GHz,需提供升级方案 |
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1.14为了便于维护和更换同轴线的需求,每组同轴线可以从制冷机主机直通孔中作为整体模块化安装和拆卸 |
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1.15 需提供可以让系统突然断电后可维持机柜电脑运行1小时回收混合气的应急设备 |
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2.1▲样品测试区域配三轴矢量磁场,磁场强度分别为9T-1T-1T |
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2.2配备磁体控制电流源,包含失超保护、自动降场等功能 |
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2.3超导磁体孔径不小于57mm |
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2.4超导磁体中心磁场均匀度:10mm直径球内优于2% |
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3.1▲配备底部插杆式样品传输杆支持快速更换样品;样品架可用样品空间内径42mm;样品架安装在制冷机上后,样品传输杆可以移除以便减少漏热 |
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3.2样品架在插入后直接固定在混合腔冷盘的样品架底座上,引线通过稀释制冷机主机各级冷盘与样品连接,样品架上有1个51针DC测量线接口,14个高频线接口。 |
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3.3样品架内部配备压电陶瓷旋转头,系统带旋转头控制器,实现极低温磁场下转角测量 |
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3.4 样品架搭配额外样品托,用于底部传样品时的样品更换 |
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4.1在制冷机中安装 2组(每组24根)康铜双绞线从室温到混合室冷盘,并连接到样品杆底座;另安装1组铜线从室温到PT2冷盘 |
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4.2在制冷机中安装12根柔性同轴线从室温到样品杆底座,室温端SMA接口,样品端SSMC接口,各级冷盘(PT1,PT2,100mK,still)配备热沉 |
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4.3在制冷机中安装4根半刚性同轴线通过直径50mm的直通孔从室温到混合室冷盘,并连接到样品杆底座,各级冷盘配备热沉。其中室温到PT2冷盘为不锈钢(SS)同轴线,PT2冷盘到混合室冷盘为超导同轴线。各级冷盘配备热沉,可操作频率18GHz。四根半刚性同轴线配衰减器,各级衰减器分别为:PT1 10dB,PT2 20dB,Still 6dB |
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4.4定制4根高频同轴线,工作频率达40GHz |
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5.1 该输运系统需集成直流电压输入输出功能,集成两套独立锁相放大器,示波器,频谱仪功能在一个单独设备中 |
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5.2带八个BNC输入接口,八个BNC输出接口。电压输入输出能力为正负10V。带FPGA实时操作系统。带24通道手动开关盒,带24 路6米长屏蔽线缆 |
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5.3软件能控制信号的输出和采集,并且能够控制磁体。具备Labview接口供用户控制外部设备 |
(五)公示期限
2020年3月17日至2020年3月22日
对公示内容有异议的,请在公示期内以书面形式将意见反馈至采购人。
联系人:吴老师
联系电话:0755-88015306
质疑投诉邮箱:zhaobzyts@sustech.edu.cn
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