2006-04
12

最后的全日实验星期三

By xrspook @ 18:58:39 归类于: 烂日记

好像已经习惯了星期三这种老是要整天做实验的日子。首先上午是带着点期待去做食品微生物,说真的,其实我们做的就是微生物实验,至于和食品有什么联系,我真的说不上。虽然我们的教材叫做《食品微生物》但又和《微生物学》的教材相差多远?无非就是该难的地方变简单了,接着就是在某个菌与食品有密切关系的时候用那么一段话提醒一下。而且说我们的食品微生物老师是食品学院的,不如说他是生命科学院的。他心爱的放线菌主要土壤中分离提纯,他似乎还是对基础研究特别感兴趣。但其实我对基础研究也很感兴趣,每当说到什么应用的时候我的脑子就很自然地浮现一个字——钱,为了钱做研究,为了钱不择手段。骗过了消费者的视觉和味觉,但却隐含不了某些添加剂恶毒的本性。

今天上午那个是综合实验,但我们却不得不分开两个周来做,时间有限,材料有限……综合实验就代表这个实验课快要结束了,因为综合的东西老是在最后的时候压轴登场。而食品化学就更明显了,是我们这个学期星期三做的最后一个实验。虽然以后还有3个综合实验,但那都不在我们的星期三完成了。原来星期三的痛苦日子在今天可能就是终止了。刚刚习惯了,又结束了,痛苦啊!

微生物今天做的是培养基的配制、灭菌和倒平板。觉得自己今天很霸道,称量是我一个人做的,溶解的搅拌和转移是我一个人做的,全班灭菌的操作主要是我和另外一个女生完成的,而最后的倒平板的操作主要也是我完成。突然觉得自己这样做很自私。原来“无私”与“自私”就是那么一丁点的区别。今天耗费大家最多时间的是灭菌。那个高压灭菌锅实在太那个老掉牙了。灭菌的步骤首先是要等到压力从0升到0.05MPa放一次气,然后第二次升到0.05MPa的时候再放一次气,这样做是为了排走锅里的空气。高压湿法灭菌就是靠水在高压变成高温水蒸气,如果锅内存在空气,即使压力表里显示是到达了足够的压力但里面的温度还是不能达到预期要达到的效果,因为空气分压掉了一部分地方。放2次气后就是要等压力升到1.01MPa,就是121℃。但我们的那个机器老掉牙,不能当压力过高或过低是作出反应,于是每高于或低于1℃我们就要拔掉插头切断电源或者插上插头重新通电。这就意味着当要在121℃保持30分钟灭菌的过程中我们一点都不能离开,甚至分心发呆也不行。大概1.5分钟就要做一次插和拔的动作。很单调,很无聊,但必须做。其实实验室还有个不用这般郁闷,不用老插和拔的灭菌锅,它比其它的就是多了个变压器,能及时控制电源的通和断,于是人就只需计算灭菌的时间就好了。也忘记了自己在那30分钟里插拔组合运动了多少次。但虽然我们用心做了那些单调乏味的工作,最后到时间以后也让压力降到了大概0.03MPa才放气,然后打开锅盖,但在那个可以说是历史性的时刻,我们还是发现里面有2个三角瓶的塞子被喷了出来,哎!痛苦,这就意味着那两个灭菌等于白费了。班里一共有8个三角瓶放在那里灭菌其中有2个喷了,简直就是恶号!觉得自己有点对不起他们,但已经按照了老师的指示完成。我们开锅的时候老师并不在场,我们看着那两个塞子被喷了出来(但里面的液体没有喷)的三角瓶不知如何是好,老师回来了,只是有点可惜地对我们说我们不应该那么早就放气,应该等压力再降一点的时候放气。记住,我一定会好好记住的!永远也不会忘了!!!!

下午的食品化学还是做上个星期我们已经做过的操作,而且操作量也少了一半。对我们来说,这可真的是小菜一碟。但尽管如此,我组由于一个错误操作还是导致了把实验部分重做了2次。

以后的星期三会怎样呢?没有了实验,我会怎样?!大概首先会觉得生活缺少了什么了吧。

2006-04
11

Innovate Task in Microbiology

By xrspook @ 19:11:13 归类于: 烂日记

My teacher has separated task on us, and my task is Refine Different Kinds of Actinomyces from Mangroves. What an interesting task! Yet, till now I don’t know how to refine microbe from anything. In my opinion, refine actinomyces from mangroves is just like refine other anctinomyces from others, because the methods or the skills are the same, however, the most special point is where is the soil come from — mangroves.

Mangroves are a very costly nature resource. Before this, I have heard such a peculiar zone which is between the sea and the land. The tide will affect the living things there; maybe they can stand the salt water and also could live well in fresh water. The microbes in such place are still a mystery for human beings. That must be a huge treasure waiting for us to discover. I should learn more about mangroves!

Mangroves are wetland.

The definition of wetland is: Wetlands are areas of marsh, fen, peatland or water, whether natural or artificial, permanent or temporary with water that is static or flowing,fresh, brackish or salt,including areas of marine water the depth of which at low tide does not exceed six meters. Wetlands include marshes, peatlands, meadows, lakes, rivers, floodplains, deltas, mudflats, coral reefs, mangroves, reservoirs, ponds and rice fields.

from: http://www.wowcn.org.cn/s001.htm

An unknown world opens its door to me now.

2006-04
10

High-tech is Beyond Me

By xrspook @ 17:18:10 归类于: 烂日记

This morning, Shirley and I went to our college building to meet Mr. Hu. Before this, we heard news about some innovative task last night in an indirect way. I don’t know why there are such problems around me these days. The life is in mess now.

Mr. Hu is a very professional teacher in food industry and teaching area. He is good at the manufacturing and storing food vegetable and fruit. This morning, we really had a meaningful lesson from him. In his words, I know what the high-tech in food industry is, and it seemed the top science just in front of or even will come out after my hard working. I have never thought I would exploit a food when I am still a greener sophomore, however, sitting next to him, I felt I just beyond the science, maybe the product we use tomorrow in supermarket was the invention of him.

Before we met, I had had a dream that I could be his student, and work for him in some innovative task, while now, I realize the road of that kind must be tough than any roads which I have walked on. If you want to become his student, the first thing you should decide is what you want to investigate. That implies you must well understood in that domain, and this is the first step, yet you should know, I just a sophomore who just learned 8 weeks of Food Chemistry and Food Microbiology, that’s all I have learn in my professional domain.  Unless I like something very much for a long time, and learn it well now, or I won’t know something of my food domain very well. I have never desired at some food before, and never thought about how to improve a method, hence there is no idea in my head.

I’m sure that Mr. Hu must be a good teacher, or exactly I should say he must be a very good director. He must be good at direct his students so it’s easy to associate an idea that his students must have steady ability, a bright mind and be good at work out they idea into reality. It’s the first time I met such a teacher, I really admire him from my heart, though now I still didn’t have the ability to became one of his student, yet I think that would be my new target in future. The road lead to high-tech and the top science roads are always full of incertitude factors.

I feel the high-tech just beyond me really, and that’s great. To be a science, or wanted to do a scientific research, you should be well prepared in the very beginning.

2006-04
9

“内功”抵抗

By xrspook @ 20:01:12 归类于: 烂日记

昨天的恐怖经历我今天实在不想再重演了。那个质量管理体系的“林平之”的“音波功”实在是难以抵挡,但如果“就范”的话很快就要“倒下”,所以今天我决定用“内功”!

他说他的,我专心看我自己的。在那个课室看那个书真的很不行,大概那里的风水不适合看那个书吧,所以我要运起我独门的“内劲”来抵挡。所以今天我听“林平之”的时间大概是2/5,看、做英语单词的时间大概是1/2,其余的时间就有很多活动,比如说看看报纸,发发呆,做做白日梦。日子就是这般过去的。最认真的是“林平之”讲述该如何用实际的招数抵挡敌人的时候,还有就是他过去如何见招拆招的故事……

已经忘记了今天是星期天。人怎的可以如此浪费生命!做一些自己讨厌做的事,坐在个觉得浑身不对劲的地方接近8个小时,到底还要不要命?

昨晚看了好多关于甘薯和马铃薯酶促褐变的文章,对那个食品化学综述论文总算有了点头绪。那个东西真的已经烦恼了我好久。当看到同学用了一个下午就把论文资料找好,一个晚上就把论文赶了出来,第二天就能在课上讲,心里真的很不是滋味。我已经花了好多的时间,但我能找到的资料却很有限,她/他则根本没有怎么投入就有不错的收获,而我走在分岔路上的时间则是太多太多。课题是老师指定的,凭什么我的就那么棘手!我的题目,甚至连专业的文献检索老师都感到无能为力,为什么,一个没有任何经验的大二学生就要独自面对这一切?凭什么我的路就要比别人的多石头和上坡?如果我真的老是像上面那样想的话我就会觉得更压抑,更辛苦。何不向好的方向考虑呢?现在,我还年轻,我还可以多摔跤,我还可以多走曲折坎坷的山路,经验多了,脚上的茧多了,我以后的日子会更轻松。现在多点伤疤多点痛就是为了以后可以更顺利。自问不是一个有横财命运的人,我不是靠运气混饭吃的,要好好地活下去就要靠步步建立起来的根基。厚积勃发!ACCUMULATE!

最要紧的是自己的心不要走进死胡同。现在是“练功”的时刻,以后才可以顺利地“闯荡江湖”!

2006-04
8

第一次质标课

By xrspook @ 20:41:58 归类于: 烂日记

终于明白了ISO9001&HACCP是个什么东西,原来这个ISO(International Organization for Standardization)国际标准化团体是个制定一系列的标准来规范人的活动和生产的。那么为什么这个课就要在食品学院搞呢?资环那边应该也搞吧。至于HACCP(Hazard Analysis and Critical Control Point)危害分析和关键控制点本来都是军方和大型企业来规范他们内部的工作的。但这些套路实在太有用了,于是在各个领域都到处开花。

我最熟悉不过的就是那些做实验用的GB国家标准(简称国标),食品化学的是国标,食品微生物的是国标,其他的食品工艺想来也是很多很多的国标。可以这样说,我们的实验书就是国标的打印装订版,但这些书用的国标版本一定不新,可能过时了,但这就是书的弊端。

今天从早上8:10上到中午12:00,再从下午2:10上到6;30,没命地上,上的就是那些郁闷到了极点的质量管理体系 要求(Quality management systems – Requirements)gb/t 19001 – 2000,我们学的是2000版的,但上一个版本是1994版,我觉得这个2000版也大概很快被淘汰了……这个上一天的课除了闷就闷,试想一下,那个投影仪打出来的东西全部都是字和箭头,好多好多的字,更多更多的箭头,就像蜘蛛网一样。而那个叫做林**老师,好像不够气说话的样子,语调就是要你睡觉。我的第一感觉就是——林平之(《笑傲江湖》—— 金庸)。而且一天都对这这么一个老师,更恐怖的是他上的课是那些闷到不能再闷的课。他没有激情,我也很想睡觉。我觉得我们静心看书的效果要比他的长时间催眠好。明天还有相同的遭遇要面对,我要改变一下策略了。

好痛苦的课,怎么世界上有如此沉闷的课?还是那个老师实在太没有技巧了?如果是我以前法律基础的老师上的话应该不会那么沉闷,虽然那个也是半个娘娘腔,但我觉得应该不会那么闷的!

交了430元,好像被骗了一样,哎~~~~~ 不过,多学东西总是好的,就只能这样安慰自己了……

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