【Hacker News搬运】阿雷西博305米望远镜倒塌故障分析

hackernews

Title: Failure analysis of the Arecibo 305 meter telescope collapse

阿雷西博305米望远镜倒塌故障分析

Text:

Url: https://nap.nationalacademies.org/read/26982/chapter/1

由于我是一个AI，我无法直接访问互联网或特定网站。因此，我无法直接使用JinaReader或任何其他工具来抓取和分析您提供的链接内容。

不过，我可以指导您如何使用JinaReader或类似的工具来抓取和总结内容，如果您能够提供内容文本的话。以下是一个使用JinaReader进行内容抓取和总结的步骤示例：

1. **安装JinaReader**：
   首先，您需要确保您的系统上安装了JinaReader。这通常涉及到使用pip安装JinaReader库。

   ```bash
   pip install jina

设置JinaReader：
初始化JinaReader，并创建一个适当的流程来处理内容。

from jina import Flow

# 创建Flow
flow = Flow.load_config('flow.yml')

# 启动Flow
flow.add_elements([TextPreprocessor(), Summarizer()])
flow.run()

抓取内容：
使用JinaReader的抓取组件来获取内容。这里假设您已经将内容保存到了某个本地文件或可以通过某种方式获取。

# 假设内容存储在本地文件中
with open('path_to_your_content.txt', 'r') as file:
    content = file.read()

# 使用JinaReader的文本处理器处理内容
flow.post(content)

分析内容：
JinaReader中的Summarizer组件或其他分析组件会对内容进行总结。
```
# 获取总结结果
summary = flow.get_output()
print(summary)
```

处理非中文内容：
如果内容不是中文，您可能需要使用一个翻译API来将其翻译成中文。以下是一个假设的示例，说明如何将非中文内容翻译成中文：

from googletrans import Translator

# 创建翻译器实例
translator = Translator()

# 翻译内容
translated_content = translator.translate(content, dest='zh-cn').text

# 使用翻译后的内容进行后续处理
flow.post(translated_content)

请注意，上述代码是一个简化的示例，实际使用时可能需要根据您的具体需求和环境进行调整。如果您需要具体的翻译功能，您可能需要注册并使用某个翻译服务的API，如Google Translate API。

        
## Post by: mhb
        
### Comments: 
        
**magicalhippo**: In the summary they state:<p><i>All the reported experimental zinc electroplasticity (EP) data were developed at current densities orders of magnitude higher than those possibly present in the Arecibo Telescope but measured in laboratory experimental periods that were orders of magnitude shorter than the telescope&#x27;s socket zinc service.</i><p><i>There are no reported experimental data concerning low-current, long-term EP, which the committee has lumped together under the term &quot;LEP&quot;, affecting zinc&#x27;s creep mechanisms over decades.</i><p><i>The timing and patterns of the Arecibo Telescope&#x27;s socket failures make the LEP hypothesis the only one that the committee could find that could potentially explain the failure patterns observed.</i><p>Accelerated aging is, as far as I know, pretty much standard in the industry. Nobody can wait 20 years to find out if a certain material is good enough or not.<p>However, the real failure seems to be the lack of urgency when they signs started to show up:<p><i>Upon reflection, the unusually large and progressive cable pullouts of key structural cables that could be seen during visual inspection several months and years before the M4N failure should have raised the highest alarm level, requiring urgent action. The lack of documented concern from the contracted engineers about the inconsequentiality of the cable pullouts or the safety factors between Hurricane Maria in 2017 and the failure is alarming.</i>
> **magicalhippo**: 在总结中，他们指出：<p><i>所有报告的实验锌电塑性（EP）数据都是在比阿雷西博望远镜可能存在的电流密度高几个数量级的电流密度下开发的，但在比望远镜短几个数量级别的实验室实验期内测量的；s插座锌服务</i> <p><i>没有关于低电流、长期电生理的实验数据报告，委员会将这些数据统称为&quot；LEP”；，影响锌；几十年来的蠕变机制</i> <p><i>阿雷西博望远镜的时间和模式；s插座故障使LEP假设成为委员会能够找到的唯一一个可能解释所观察到的故障模式的假设</i> <p>据我所知，加速衰老在行业中几乎是标准的。没有人能等20年才能知道某种材料是否足够好<p> 然而，真正的失败似乎是当它们的迹象开始出现时缺乏紧迫性：<p><i>经过反思，在M4N故障前几个月和几年的目视检查中可以看到关键结构电缆的异常大和渐进的电缆拔出，这应该会引起最高的警报级别，需要采取紧急行动。合同工程师对2017年飓风玛丽亚和故障之间电缆拉出的不合理性或安全因素缺乏文件记录的担忧令人担忧</i>
            
**Wololooo**: Even if I am not a radio astronomer, this instrument was unique in nature and still in use for very specific observations and until the very end of its operation was able to deliver data. It is disheartening to learn that it was indeed due to gross maintenance negligence (as assumed originally by many) that the final fatal failure occurred, when potentially the structure could have been salvaged.
> **Wololooo**: 即使我不是射电天文学家，这台仪器在性质上也是独一无二的，仍然用于非常具体的观测，直到它的运行结束才能提供数据。令人沮丧的是，最终的致命故障确实是由于严重的维护疏忽（正如许多人最初所假设的那样）造成的，而当时结构本可以被挽救。
            
**ctippett**: Practical Engineering on YouTube has an episode covering the collapse of this structure[1]. It&#x27;s very good and worth a watch.<p>[1] <a href="https:&#x2F;&#x2F;youtu.be&#x2F;3oBCtTv6yOw" rel="nofollow">https:&#x2F;&#x2F;youtu.be&#x2F;3oBCtTv6yOw</a>
> **ctippett**: YouTube上的《实用工程》有一集报道了这种结构的倒塌[1]。它；这很好，值得一看<p> [1]<a href=“https:&#x2F；youtu.be&#x20BCtTv6yOw”rel=“nofollow”>https:&#x2F；youtu.be；3oBCTv6yOw</a>
            
**jschrf**: Perhaps it was a response to the Arecibo message, and the response was &quot;quiet, they&#x27;ll hear you&quot;.
> **jschrf**: 也许这是对阿雷西博信息的回应，回应是&quot；安静，他们；我会听到你的&quot；。
            
**pantulis**: What an imposing document: the details are overwhelmingly detailed, it really does justice to the marvel of engineering that the Telescope was.
> **pantulis**: 多么令人印象深刻的文件：细节极其详细，它确实公正地体现了望远镜的工程奇迹。