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聚合物热降解温度的测定? 大家都说 聚丙烯酰胺 的热降解温度是93℃,这个温度是怎么测出来的?谢谢各位了。查看更多 3个回答 . 23人已关注
这个标志是什么意思? 是在一个高压电机侧边贴着的,请教各位大神这是个什么标志,啥意思,先谢过大家了!? 查看更多 3个回答 . 30人已关注
换热器防腐蚀措施? 查看更多 1个回答 . 12人已关注
6月临近,撤除在即,命运转折点,长江沿岸化工园区如何演绎潮起潮落? 查看更多 1个回答 . 8人已关注
干粉灭火器是否需要每年进行年检,在 《建筑灭火器配置验收及检查规范》(GB 50444-2008)中规定,干粉灭火器出厂后五年进行年检,以后每2年进行年检维修。 ? 查看更多 2个回答 . 22人已关注
塔的安全操作要点? 查看更多 1个回答 . 27人已关注
催化裂化装置主风机到再生器主风分布管下部这段主风管线的压降是多少? 查看更多 4个回答 . 16人已关注
机组振动超标的原因和处理方法有哪些? 查看更多 1个回答 . 27人已关注
工信部:将对3000家以上重点耗能企业专项监察!? 查看更多 1个回答 . 8人已关注
科隆雷达液位计BM103 前几天公司的雷达液位计总是在槽罐放空料后再进料就显示满量程,只有断过电后再送电才会显示正常,有时还出现波动。目前已经换过好几个主脑,还是出现同样的问题。 把液位计拆回校验,实际罐高2800mm,缆绳长2800mm。第一次把液位计改成实际罐高和缆绳,检测几个点都正常,但是装上之后还是原来的问题,有同事提议把罐高和缆绳改高点,改到2900mm后,并没有解决问题。 希望哪位熟悉雷达液位计的大神能指点一二,这个液位岗位上要做批量,需要精确测量? 查看更多 3个回答 . 15人已关注
绍兴市某助剂总厂抗静电剂车间反应釜爆炸事故? 查看更多 1个回答 . 13人已关注
目前 有没有 河北省唐山市曹妃甸炼油项目招聘消息啊? 查看更多 2个回答 . 4人已关注
容器高度T/T是指什么意思? 设计院给的立式设备数据表中有“容器高度T/T”是指什么意思? 是“筒体高度+两封头的直边段高度”还是单纯指“筒体的高度”啊? 查看更多 6个回答 . 4人已关注
四六级作文? Chapter One 文章开头句型 1-1 对立法 : 先引出其他人的不同看法,然后提出自己的看法或者偏向于某一看法, 适用于有争议性的主题. 例如(e.g) [1]. When asked about....., the vast/overwhelming majority of people say that ....... But I think/view a bit differently. [2]. When it comes to .... , some people bielive that ....... Others argue/claim that the opposite/reverse is true . There is probably some truth in both arguements/statements , but (I tend to the profer/latter ...) [3]. Now, it is commonly/generally/widely believed/held/acknowledged that .... They claim/ believe/argue that ... But I wonder/doubt whether..... 1-2 现象法 引出要剖析的现象或者问题, 然后评论 . e.g [1]. Recently the rise in problem of/(phenomenon of) ... has cause/aroused public/popular/wide/ worldwide concern. [2]. Recently the issue of the problem of/the phenomenon of ...has been brought into focus. ( has been brouth to public attention) [3].Inflation/Corruption/Social inequality ... is yet another of the new and bitter truth we have to learn to face now/constantly. ----- To be continued !! 1-3 观点法 ----开门见山,直接了当地提出自己对要讨论的问题的看法. e.g: [1]. Never history has the change of .. been as evident as ... Nowhere in the world/China has the issue/idea of .. benn more visible/popular than... [2]. Now people in growing/significant numbers are beginnig/coming to realize/accept/(be aware) that... [3]. Now there is a growing awareness/recognation ot the necessity to......Now people become increasingly aware/conscious of the importance of ...... [4]. Perhaps it is time to have a fresh look at the attitude/idea that....... 1-4 引用法 ----- 先引出名人名言或者有代表性的看法, 来引出文章要展开论述的观点! e.g: [1]. "Knowledge is power." such is the remark made by Bacon.This remark has been shared by more and more people . "Education is not complete with gradulation." Such is the opnion of a great American philosopher. Now more and more people share his opnion. [2]."........." How often we hear such statements/words like thoses /this . In our own days we are used to hearing such traditional complains as this "......". 1-5 比较法 ------ 通过对过去,现在 两种不同的倾向,观点的比较 , 引出文章要讨论的观点. e.g: [1]. For years, ...had been viewed as ... But people are taking a fresh look now. With the growing ... , people ....... . [2]. People used to think that ... (In the past, ....) But people now share this new. 1-6 故事法 ---- 先讲一个较短的故事来引发读者的兴趣, 引出文章的主题. e.g: [1]. Once in (a newspaper) , I read of/learnt .... The phenemenon of ... has aroused public concern. [2]. I have a friend who ... Should he .... ? Such a dilemma we are often confront with in our daily life. [3]. Once upon a time , there lived a man who ... This story may be (unbelievable) , but it still has a realistic significance now. 1-8 问题法 ----- 先用讨论或解答的设问, 引出自己观点, 适用于有争议性的话题. e.g: Should/What ...... ? Options of ... vary greatly , some ..., others ... But in my opinion , ...... . Chapter 2 文章中间主体内容句型 原因结果分析 3-1-1. 基本原因 --- 分析某事物时, 用此句型说明其基本的或者多方面的原因. e.g: [1]. Why ... ? For one thing.. For another ... [2]. The answer to this problem invovles many factors. For one thing... For another...... Still another ... [3]. A number of factors , both physical and psychological affect .... /both individual and social contribute to .... 3-1-2 另一原因 --------> 在分析了基本原因之后, 再补充一个次要的或者更重要时用! e.g: [1]. Another important factor is .... [2]. ... is also responsible for the change/problem. [3]. Certainly , the ... is not the sole reason for ..... 3-1-3 后果影响 --------- 分析某事物可能造成的后果或者带来的影响 . e.g: [1]. It will produce a profound/far-reaching effect/impact on.... [2]. In involves some serious consequence for ........ 比较对照句型 3-2-1. 两者比较 ---> 比较两事物, 要说出其一超过另一个, 或肯定一事物的优点, 也肯定其缺点的时候用 ! e.g: [1]. The advantages gained from A are much greater than the advantages we gain from B. [2]. Indeed, A carries much weight when compared with B. [3]. There is no doubt that it has its negative effects as well as positive effects. 3-2-2 . 两者相同/相似 ------> 比较两事物共同都有或者共同都没有的特点时用! e.g: [1]. A and B have several thing in common. They are similar in that..... [2]. A bears some sriking resemblance(s) to B. Chapter Three 文章结尾形式 2-1 结论性--------- 通过对文章前面的讨论 ,引出或重申文章的中心思想及观点 . e.g: [1]. From what has been discussed above, we may safely draw the conclusion that ..... [2]. In summary/In a word , it is more valuable ....... 2-2 后果性------ 揭示所讨论的问题若不解决, 将产生的严重后果. e.g: [1]. We must call for an immediate method , because the current phenomenon of ... , if allowed to proceed, will surely lead to the heavy cost of ....... [2]. Obviously , if we ignore/are blind to the problem , there is every chance that .. will be put in danger. 2-3 号召性 -------- 呼吁读者行动起来, 采取行动或提请注意. e.g: [1]. It is time that we urged an immediate end to the undesirable tendcy of ...... [2]. It is essential thar effective measures should be taken to correct the tendency. 2-4 建议性 -------- 对所讨论的问题提出建议性的意见, 包括建议和具体的解决问题的方法. e.g: [1]. While it cannot be solved immediately, still there are ways. The most popular is .... Another method is ... Still another one is ..... [2]. Awareness/Recognition of the problem is the first step toward the situation. 2-5 方向性的结尾方式 ---- 其与建议性的唯一差别就是对问题解决提出总的, 大体的方向或者指明前景. e.g: [1]. Many solutions are being offered here , all of them make some sense, but none is adequate enough. The problem should be recognized in a wide way . [2]. There is no quick method to the issue of .., but .. might be helpful/benefical. [3]. The great challenge today is ...... There is much difficulty , but ........ 2--6 意义性的结尾方式 --------> 文章结尾的时候,从更高的更新的角度指出所讨论的问题的重要性以及其深远的意义! e.g: [1]. Following these suggestions may not guarantee the success, but the pay off might be worth the effort . It will not only benefit but also benefit ..... [2]. In any case, whether it is posotive or negative, one thing is certain that it will undoubtedly 查看更多 3个回答 . 2人已关注
请问可以用什么方法可以将Fe掩蔽? < >做一个中试反应,要用工业 盐酸 ,但是工业盐酸中含的Fe对反应由影响,请问可以用什么方法可以将Fe掩蔽?敬请高手赐教。</P>查看更多 5个回答 . 2人已关注
转速变化离心压缩机喘振点怎么变化? 机械大神 1 转速变化离心 压缩机 喘振点怎么变化?为什么?2 最好有性能曲线加以说明? 查看更多 1个回答 . 5人已关注
协议翻译求助? “All amounts payable to KBR under this Agreement shall be paid by TCCIG net, free and clear of all non-U.S. taxes, charges, liens, withholdings and the like which may be assessed against KBR and/or its personnel. Any and all such taxes, charges, etc. assessed against KBR and/or its personnel shall be paid to the appropriate assessing authority promptly and directly by TCCIG on KBR’s and/or its personnel's behalf, and each original of a receipt of payment issued by each such assessing authority shall be promptly delivered to KBR by TCCIG. Any change in the tax laws and regulations of the United States after the date hereof, including their interpretation and enforcement, which alters the amounts receivable by KBR, or otherwise changes the cost of performance of the Services by KBR, shall be considered a change and shall be to TCCIG account”求助高手如何翻译,这里KBR和TCCIG是专有名词不用翻译。查看更多 2个回答 . 1人已关注
ChemCAD焓值问题? 本人初学Chemcad,有一焓值问题请教大家。就是用Gibbs 反应器 进行绝热模拟,进料有一个焓值,出料有一个焓值,反应器有一个反应热。为什么出料焓值不是等于进料焓值加上反应热,而是出料焓值直接等于进料焓值?例如我们算 焚烧炉 的烟气焓值,都是等于进料焓加上燃烧热值( 柴油 或天然气等),为什么Chemcad不是呢?谢谢。查看更多 6个回答 . 4人已关注
食品滚筒输送线的灵活运转性能? 我国在党中央的领导下,在坚持以经济建设为中心,以改革开放为动力,以提高生产力为根本目标的同时,也在不断的进行探索和创新发展。并采用了现代化的生产 输送设备 以及管理方式来提高各工业企业的生产工艺水平,从而使得各工业企业的生产工艺水平,实现了高度自动化的生产作业形式,更使得我国工业企业的生产工艺技术水平,接近或者是已经领先于世界的工艺技术水平。而食品 滚筒输送线 的应用,各生产企业在得到生产效率提高的同时,也更促进了企业和市场经济发展。 食品传动滚筒在输送作业中,具有比较灵活的运转性能,同时还能够根据各工业企业生产技术工艺的不同要求,将食品滚筒输送线组成比较开放的生产作业空间或者是比较封闭的生产环境;并能够较好的满足各生产企业,进行水平、提升、翻转和倾斜等多种形式的生产工艺要求。食品滚筒输送线跟其它类型的输送设备之间,连接组合使用是十分简单的,更能按照生产企业的要求和生产工艺的特点,将食品 滚筒输送机 械设备组成可以连续循环生产作业的输送线路,也可以经过多机组合之后,形成一个工艺比较复杂的食品滚筒输送线;更可以根据各工业企业的生产场地要求,组成一个输送距离比较长的滚筒生输送生产线路。因此,食品滚筒输送线在广大工业企业的生产领域中,得到了较为广泛的应用。查看更多 0个回答 . 3人已关注
请教:谁了解结晶果糖? 各位大侠 小弟想了解有关结晶 果糖 的市场容量、发展前景、国内生产厂家及生产技术、国企生产企业、国际市场需求情况、主要应用领域等信息。 拜谢!查看更多 0个回答 . 4人已关注
简介
职业:江西禾益化工股份有限公司 - 机修
学校:湖南文理学院 - 化学化工系
地区:福建省
个人简介:友谊是一棵可以庇荫的树。查看更多
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