2007-10
26

211心得

By xrspook @ 22:33:58 归类于: 烂日记

“入实验室搢(同音而已,不知道原字怎么写)紧急制”,不知道这句顺口溜的来源。实验室的按键都可以很紧急,所以,当开动的时候通常你都不能离开,按下了紧急制就意味着你要呆下去了。

在以火箭的速度发展的中国,有个美称为祖国南大门的城市,叫做广州。在广州天河区有个占地很大的学校,叫做华南农业大学。在郁郁葱葱的树木中有幢大楼夹在第一和第三教学大楼之间,叫做25号楼或食品学院院楼,俗称新实验大楼。在主调颜色为红色的院楼二楼西面有房号为211和215的房间,叫做微生物实验室。华农的大部分微生物实验课就在这里完成,食品学院的微生物老师担起了学校大部分学院的微生物教学任务。

我的主打实验生涯就是从211开始。在那个烂烂的实验室里呆了不少日子,看到了一些人和一些事,有高兴有郁闷,有赞叹也有鄙视。但无论怎样,我每次总能信心满满地进入那个人称“渣人机”(她们说精力会被渣干)的实验室。大概是因为心态不同吧,我每次都很渴望很有计划,我知道我要干什么,没有人强迫我某天要完成什么任务,不为他人,我为探索求知而努力。

从大二开始在那里混,亲眼见证着03届的师兄师姐完成毕业实验,见识过新手研究生师兄给06届的师弟师妹上课,也看到了那些和我过去一样,朝气蓬勃进行科学创新课题研究的晚辈们。惨不忍睹的环境不变,生生不息的活力继续着。这里最经典的声音来自高温蒸汽灭菌锅,它们放气时的咆哮声曾吓倒不少刚接触的女生,旋开盖子时清脆的金属敲击声,使等待灭菌的同学如猎手嗅到猎物一样靠拢过来。这里还有各种培养基的气味,报纸灭菌后的气味,划火柴的气味,甚至还有臭氧的气味(因为超净台的有机玻璃只有一半,紫外照射灭菌时气味都跑出来了)。在这里,我们主要跟微生物打交道,要死要活都掌握在我们手里。我们用高温蒸汽、火烧、紫外等方法kill掉我们不想要的,用冰箱、培养箱、摇床等创造最佳的环境保存或培养我们需要的。

微生物实验简单来说就是控制它们死活的过程。死了的一了百了,活着的我们要测定其一系列的东西,从而确定它的种类、性质甚至机理,总结出利用它的方法,研究出进一步应用的技术。当然,这一切一切一个人或一组人能完成的,这需要几届同学及老师的共通努力。

人力资源部经理能分辨出应聘者的优劣我则能分辨出实验室里同学的种类:

一、参与人数

一组人出现的通常是小师弟师妹,他们进行的是创新课题,一组人完成一个课题,通常集体出现,在超净台上坐一排3、4个的,不用说,肯定是晚辈;单枪匹马的通常是大四或者研究生,超净台最多坐2人,研究生嘛,看样子都能看出来,他们特别“成熟”,而且绝大多数都在说很溜的普通话。

二、等待状态

待灭菌的时候掏出本英语阅读来刨或者干脆在吹水的通常是晚辈;大四的同辈大都在灭菌时不知道哪里去了,一个人来,可能要去别的地方拿什么东西或者跑到别的实验室找同在做实验的同学打发时间;至于研究生,我这两天就连续看到两个,在实验台上铺张报纸,搬出个手提忙他的,真有米!

三、称量方法

刚做培养基的时候我也觉得没有称量纸就无法称量药品配制了,这种现象也同时适用于晚辈们,他们大都有私伙称量纸,有些甚至每称一个药品都要用纸巾把药匙擦得干干净净然后才称另一样;我们这里大四或以上的老油条呢,一个钢杯甩在电子天平上,湿也好,干也好,归零,然后就开始称,每称一个药品大概就甩甩药匙就算了(酵母浸膏、牛肉膏等黏糊糊的除外)。

能钟情于某个东西是个很不错的境界,还有大半年就要离开这里,211的故事和经验就由后辈们继续和总结吧。

2007-10
25

Visit Kingdom of Chewing Gum

By xrspook @ 18:49:51 归类于: 烂日记

Planning for more than a month, today, I finally went to Wrigley Company in Guangzhou Development District. After the quit of friend, I had to start my road alone. There’s nothing in my head, didn’t expect anything, yet I received an accidental courage, it was come from mom. Today should be better than yesterday, and it is really better than that.

At the very beginning, I spent about two hour on my way to that place. The traffic was still OK today, I got on Bus 883 as planning, and then I should pass 36 bus-stops before I arrived at Wrigley Company. People are up and down, came and went, I still sit at the end of the bus continue my journey. When the broadcast said the next stop is the crossing of development district, I knew the termination of this trip was coming. After a few stop, it broadcast a stop named hospital of development district, yet when the bus started moving again, I picked up the Wrigley Company! What a pity, I missed it!!! Have no choice but got off the bus and went back by foot. You won’t lose yourself there, because the candy scent of Wrigley Company is very strong, first I smelled mint aroma then peach aroma. When you feel the scent becomes stronger and stronger, it means you are close to that company step by step.

Then the entrance of that company was funny too. I misknew one man was the one I contract, and stopped by the guard. I explained who I wanted to find then register. It’s very nice of that guard. Waiting for a while, a miss came to let me in. We went to the reception then that miss asked a female worker be my guide. The visit started, great!!!

Before enter to workshop, I had to put on white gown, headgear, earplug, and shoe cover, at the same time I had to take of my watch. Everything was standby, but I still had to wash and sterilize my hands before entrance workshop.

The workshop is amazing, with a great smell of candy. The first producing line I saw was producing Doublemint, undoubtedly, the scent of mint was fiercely, and my eyes even feel that strong mint.

The detail things I couldn’t speak out or I might leak the commercial secrets, yet as much as I know I couldn’t count the most important secrets absolutely.

At first, let me talk about the machines there. Most of the machines weren’t very large, but the quantity is vast, because they were making chewing gum, that thing couldn’t be very large. Of course, they also have huge tins to mix their raw material, such as glucose and chewing gum bases.

Then, it’s the turn of workers there. Most of workers are young men; they control a machine by themselves. The only female worker I just saw they were adding preservatives in little bottles of Extra. Before I came here, I heard there were not many workers in this workshop, yet compared with the food corporation I had visited, the amount of worker here is not the least. The most important reason is the producing line here isn’t huge, and the manipulative cell isn’t joined with pipe. For example, after making big pieces of Doublemint, they stored them in one place which is between the pieces producing workshop and the cutting and packing workshop. Another example, they make grains of Extra chewing gum in a big roller, yet they have to bag those particles in plastic pails.

Thirdly, I talk about the sign in those workshops. I could see the sign very clear about what’s input and output of one machine. Simultaneously, on wall of workshop I found the solution of their HACCP, the introduction of their products and where they will sell to. The deepest sign memory is come from the ground. They use different colors to divided area into what’s for walking and car driving (I mean electric flat car). If you walk in driving road, it just like you blocks in highway, meant low down others’ work efficiency and risk yourself. That’s the law of company, everybody should obey seriously.

This visiting let me remember a word of Dr. Ye, he said the undergraduate went to factory would look around everywhere, and asked plenty of questions, just like a mouse. I represented a little mouse today :)

Today, I went to kingdom of chewing gum, what I have brought back? A good memory and the scent of candy. The aroma of candy penetrates into my clothes just like the people of Wrigley give me keepsake showing I have got the paradise of chewing gum.

2007-10
24

低迷几重奏

By xrspook @ 19:12:21 归类于: 烂日记

正与邪的抗争无休止,心灵的挣扎时刻进行着。

大半天我都堕入了疲累、放弃、愤怒、不顺的谷底。好与坏总是形影不离,于是那本便携版的考研英语词汇红薄书居然成为了我今天的救世主,当我极端不爽的时候,那些乱来的联想记忆方法让我开颜了。

闹钟7:00AM准时又震又叫,我有去换男生取样的任务,我必须得起来,无论我是几点睡的。和我一组的男生算很不错了,2人担起了通宵取样的任务,从昨晚10:30开始到今早6:30共9个样由他们负责,真谢谢他们了!!!本来我已经打算通宵了,一天半天没什么问题,但如此思维只是从我的角度出发。我组就3人,2男1女,若由一个女生负责通宵任务好像不近人情,如果我偏执要这样在做的话只会把他们拖入尴尬的境地。我只能把那累人的通宵留给他们。大概我从来就不以女生的角度来衡量自己,在只有女生的组别里我们必须完成男生工作量的任务,所以,在有男生的组里我也想平等,但有些东西不是你想怎样就怎样的。抽样到今天中午12:30结束,虽然依旧没饭吃,但总算睡了个安稳的午觉。

早上默英语单词的时候有种强烈的不想考研的欲望。这种不想考的心理持续了大半天,直到我把想法告诉了别人。考研,对我来说是个仓促的决定,如果现在说不考,也是个很突然的决定。不考,对暂时的自己来说是最好的选择,对长远的自己来说是个或好或坏的选择,对给予我很多希望来说似乎是个恶号。用放弃一切的方法(没心思听课,做实验不能100%专注)为考研去复习,,简直是个垃圾选择。研究生,那个东西没有吸引力足以让我放弃那么多!

今天的糟糕心情还包括被同学临时“放飞机”,明天就去参观了,今天放我飞机。也许是命中注定,我得一个人抓住这本只是属于我一个人的机会。

只要有机会,每晚的游泳还在继续,前天、昨天和今天都有去。游水时算是我最清醒的时刻了。]

明天一定会是个好日子,因为没有什么会让我比今天更情绪低落了。

2007-10
23

往返跑

By xrspook @ 22:11:00 归类于: 烂日记

等待总是痛苦的,忙碌也是快乐。

今天进入了实验开始阶段最为恐怖的每小时取样,要取足24小时。从中午12:30,到现在为止我们已经取了10次样,其中9次是我的干的。取样意味着什么?从一个不知道什么地方,奔向3楼发酵室,把其中一根样品试管从一捆中拆出来,插进一根空的代替(为了稳当,在摇床里一捆7根的试管只能说松紧还行),接着以豹的速度冲向1楼的109实验室。以最快速度打开那个恒温恒湿箱,从里面拿出笔和纸,看表,记录取样时间,然后为试管写上编号,最后把东西都放回4℃的箱体,大功告成。操作简直超简单,但真的很累人,简直在做往返跑。为什么那个该死的酵母要摇床才长得快长得好呢?!为什么一楼没有那个微生物实验应常有的摇床呢?为什么冷库不可以让非微生物系的师生共享呢?为什么牺牲通宵取样也要担惊受怕怕别人会把发酵室的门锁上呢?……我这孩子太多抱怨了:P

今天可以说是实验日,从早上8:00开始我就似乎没停过。也做了迄今为止最最简单的香蕉催熟实验,说你也不信,把香蕉拿去测一下色差,然后用水洗干净,再浸一下乙烯利溶液,用袋子包起来,放在某个地方,如此不到10min就完成了。简直是,哎~~~

相比之下,自己的首次尝试酵母血球计数就郁闷多了。开始的时候怎么也找不到计数板的格子,大概是酵母菌太多了,因为满个屏幕都是密密麻麻的小白点。把酵母菌稀释了,好不容易在视野中找到了圈圈和格子,却发现我们所用的计数板是25×25的,这就意味着我们要数左上左下右上和右下还有中间的大格,如此操作简直就是在加深你的近视,眩晕无比!接着我们又尝试了比色,同样是十分只不顺利,某个分光光度计坏了,而另外一个调零和有困难。微生物实验总有无穷无尽的未知问题等待着你。你先是很恼火,接着是得必须硬着头皮继续干,于是坚韧不拔就练就出来了。不知道本以为应该确定的事情是什么,在未知中探索,好像一直抱着“The truth is out there.”去探知黑暗,于是我很钟情于这种仿佛无边际的无知。

往返跑才刚开始,正所谓“路漫漫其修远兮,吾将上下而求索”。

2007-10
22

纳班惊现

By xrspook @ 16:28:01 归类于: 烂日记

David Nalbandian,一个星期之前我只知道他是个阿根廷的网球选手,如今我要用十分惊讶的眼光看待他了,因为在今年(2007)的马德里大师系列赛他的4轮比赛的其中三场掀翻了世界前三的选手。他所做的简直好像是只有神才能完成。

首先是八分之一决赛以6比1、6比2把主场宠儿纳豆打倒,而且是以吓人的气势搞定世界第二,Nadal的网球可以说是以激情和速度著称的,但纳班却可以把纳豆打到完全没有斗志、垂头丧气。然后,纳班再以6比4、7比6两盘直落搞定现在傲气十足、信心暴棚的世界第三小德。昨晚,我见证了那个可不可思议的1小时49分钟,纳班以1比6、6比4、6比3完成奇迹,眼睁睁地看着费天王被扯下马,实在,太神奇了!

好久都没有看过打球打得那么郁闷的费天王了,天王的非受迫性失误奇高,正手失误简直是多不胜数。很多人说费天王打球的时候表情好像扑克牌没有变化,但昨晚我看到的则是无边的郁闷。天王他老人家曾经尝试改变风格克制对手,但不行,反而使自己出错更多。天王厉害的发球,凌厉的正手,潇洒不凡而又很具有杀伤性的反手好像一点都不凑效,反而是纳班的超神反手占据上风。当纳班以反手击球的时候你会感觉到异常的“劲”,好久都没有见过在当今高手中反手比正手厉害的人了。除了利剑反手以外纳班球路的变化也出彩,他的变线可以做到很轻松自在,没有野兔和纳豆的疲于奔命,他不用跑动得特别多,因为他的变线做到了以攻为守。与一般擅长红土选手不同,他的发球也很凑效,这个筹码在硬地赛场很重要,纳豆之所以在硬地没那么厉害,他的发球拖了他的后腿。纳班同时也具有了红土选手十分出色的底线相持能力,大概很多人都曾想在底线对抽中等待纳班的出错,但他们往往都太急了,主攻不成反倒被纳班比了下去。就昨晚和费天王的比赛而言,多拍的对抽,纳班显得更有底气。现在的很多选手要不就是发球特出色,球发出去了就几乎是Aces,要不就是底线相持能力好,很少有人靠随球上网为主要得分工具了。费天王有很多的随球上网技巧,原来纳班也这方面也很不错。总的来说,这个我一直有听说过,之前却没见过其爆发过的阿根廷选手真的很全面!正如媒体们所说,正在状态的纳班能击败任何选手

世界网球,从2人独揽变成了3国鼎力,现在又杀出了个纳班,真的越来越有趣了哦!

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