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长期总成本ltc

来源:baiyundou.net   日期:2024-09-23

作者:邪恶的麦叔叔

前言

好吃的米饭, 不单单跟米有关, 有一款好的电饭煲也非常关键。 而且使用不同的电饭煲的对比, 会发现煮出来的米饭口味真的不一样。 作为一个北方人,我是非常喜欢吃米饭的,而且对米饭的口感要求比较挑剔。我们日常吃的米饭看似做起来很简单,淘好米,放入电饭锅,加上适量的水就好了,但要想做的好吃却不容易。

前一阵,有位来自日本的老爷爷因为做米饭非常好吃而被称为“米饭之神”,据说这位老爷爷做的米饭颗颗饱满圆润,松软Q弹,很多人慕名而去只为品尝一碗好吃的米饭。联想起当年去日本旅游的中国游客,人肉背回最多的两件日本产品就是"马桶盖"和"电饭煲",这一现象曾经引起热议。这也使我不仅好奇,日本的电饭煲真的有这么神奇,做出的米饭会有这么好吃么?

恰好家里的国产电饭煲使用太久了,涂层都开始脱落,于是打算购买一款新电饭煲,经过仔细研究,最终购买了东芝RC-10LTC电饭煲,这也是好多朋友推崇的东芝明星机型,是与日本市场在售的一模一样的同款。

经常去日本并且了解日本家电市场的朋友应该很清楚,日本家电本土机型都是110V电压,而且很多拳头产品仅供日本市场,并不会出口到其他国家,而这款东芝RC-10LTC电饭煲是22年在日本热销的新款电饭煲,今年引入中国,而且国内售价更低。另外值得称赞的是,为了适应国内市场,东芝在中国销售的这款电饭煲电压为220V,不用购买庞大累赘的变压器,而且菜单有中文的,使用起来毫无障碍。

产品展示

东芝RC-10LTC电饭煲有两种容量,分别是3L和5L,适合不同数量的家庭成员使用,3L适合3-4口人,5L适合6-8口人,颜色有白色和棕色两种颜色,我个人更偏爱白色,看起来更干净,3L的体积不占空间也足够用。

操作菜单在顶盖上,硕大的液晶屏,而且字体显示清晰,家里老人不戴老花镜也可以看得清清楚楚。

机身是非常可爱的圆润造型,背面有个提手方便提起来。

内胆

内胆是电饭煲的核心部件,也是一款电饭煲的灵魂。常见内胆材质有铝质内胆、不锈钢内胆、复合内胆等等,除了有材质的区分之外,还有造型的区分,普通的直壁内胆与球釜内胆。

东芝的这款机器内胆外表面是古铜色,表面布满蜂窝状纹理,内胆5mm厚度,净重将近1公斤,拿在手上相当有分量。这特殊设计的内胆,保证了电饭煲在煮饭时可以导热均匀,不会糊底,也不会夹生。

釜底是圆形60夹角,这样在加热过程中,可以形成加强热对流循环,能够让米饭均匀受热,口感一致,不会出现老式电饭锅那种夹生米的情况。

内胆的表面有“钻石钛粉体涂层”,它的作用可以使内胆不粘,并且使内胆更加耐磨耐用。釜底不是平的,而是有7道沸腾环,可以实现高效加热,使米饭更均匀,口感更好。内胆侧壁上有水位线标记,无论是做米饭还是煮粥,只需要加入对应的水量就可以,非常精确。

跟我家之前使用的电饭煲相比,两款内胆无论是厚度、重量还是涂层质量,差距真的太大了,真的是没有对比就没有伤害。

加热方式

目前电饭煲加热方式主要有两种,即底盘加热与IH电磁加热。其中IH电磁加热还可以分为普通IH电磁加热和立体IH电磁加热。

底盘加热

低端电饭锅几乎都是采用加热盘加热,电饭煲底部有个加热盘,通过这个加热盘与内胆接触传递热量,这种加热方式非常不均匀,一锅米饭口感都不一样,可能底下米饭已经干硬了,而上层的米饭还是黏在一起,不仅做出来的米饭口感差,还会容易糊底,当然,这种电饭锅很便宜,百元上下就可以买到,只是使用体验真的不太好。

IH电磁加热

IH电磁加热的有点是受热均匀,易于精确控温,米饭口感也较好。设计更加复杂,成本高,售价高。为了每天都能吃到一碗香喷喷的米饭,这个钱花的也算值。所以选购建议:预算充足的前提下,肯定选立体IH电磁加热。

RC-10LTC IH电饭煲采用可拆卸内盖设计,非常容易取下清洁,并且内盖上有加热丝,一方面配合底部IH电磁加热在煲饭时形成立体加热,让米饭受热更均匀,另一方面可以将蒸煮米饭过程中产生的蒸汽通过排气孔排出,不会造成蒸汽冷凝回流从而影响米饭,也不会滴落到电饭煲中。

程序功能

前面说了东芝RC-10LTC带有中文菜单,使用起来毫无障碍,机身上只有4个触摸按键,设置非常简单,即便是老人使用也是一看就会,操作简单易懂。而且这个电饭煲不仅可以做米饭和做粥,还能蒸、煮、做蛋糕和炖汤,功能也是非常强大。

每个电饭煲都有内在的煮饭程序,不同电饭煲的蒸煮程序是不一样的,这直接关系到米饭的最终营养和感官品质。这些程序的研发都是需要深厚的技术积累,东芝从1955年生产电饭煲,至今已经有67年历史,可以说把煮米饭这件事研究得非常透彻了。

有了5mm铜釜内胆和立体IH加热两个看家本领加持,再配上精益求精的做饭控制程序,想做出不好吃的米饭都难啊。而且根据每个人不同的口味特点,这款电饭煲还支持多种口感选择,像我就比较喜欢软糯的口感,在煮饭时设置相应的程序就可以了。

美食制作

前面说了这么多都是纸上谈兵,实践才是检验真理的唯一标准。东芝这款电饭煲自带了量杯,一杯是180ML,差不多可以做出两碗米饭,三口之家一般做2杯即可。

把大米淘洗2-3遍,轻轻搅拌揉洗即可,注意不要用力搓洗,以免把米粒搓碎会影响口感。

淘好米后,放入电饭锅内,加入纯净水,锅内还有米饭加水的刻度线,上面的数字与量杯对应,2杯米则水位刻度对应到2的位置.

搅散米饭的时候发现铜釜内胆不仅受热均匀,而且完全不粘,盛出米饭之后完全都不用刷锅,内胆干干净净啊。

做好的米饭不仅软软糯糯,晶莹剔透,而且不粘不连,粒粒分明,吃着很有嚼劲,非常Q弹劲道,真的太香了,这样的米饭,我不吃菜都能先干上一碗

米饭品质好,无论搭配什么菜都会让人食欲大开,做红烧肉时间太久,已经忍不住了,我立刻做了一份快手照烧鸡腿饭,淋上灵魂酱汁。

香喷喷的米饭配上鸡腿肉,每颗米粒都裹满了酱汁,放到嘴里,满满的满足感,一这份饭下去,肚子已经饱了,但嘴巴还是觉得很馋啊,还想再来一碗。

剩下的米饭用来做一碗蛋炒饭再合适不过了,以前的电饭煲做的米饭比较黏,剩饭往往变成一大坨,炒饭时很难炒散。

而东芝这款电饭煲做出的米饭,即便隔了一夜,还是很松散的,炒米饭时粒粒分明,每颗米粒都裹上了蛋液和酱汁的味道

这么好吃的蛋炒饭,你确定不来上一碗吗?

鲜虾粥

从市场购买鲜活的虾,内陆城市小伙伴也可以从京东购买冷冻的厄瓜多尔白虾,做出来的口感也很好。

首先虾头掰开,取出虾线,这一步不能省,如果虾线混入粥里面,就会引起牙碜。

把虾头放置在一边,虾身从背部剖开,以便在煮粥时虾的鲜味可以充分释放。

在炒锅中加少许油,花生油和豆油味道比较大,最好使用橄榄油,这样基本没有异味,先把虾头放入炒香,用铲子轻压虾头把虾膏挤出来,炒出红色的虾油,锅里添加少量开水。

把虾头和虾身一起倒入电饭煲中,加入适量纯净水,再加上少许姜末可以去腥提鲜。

启动做白米粥的程序,大约100分钟。

一锅香喷喷的鲜虾粥做好了,根据个人口味加入适量的盐和白胡椒粉。

盛到碗里,撒上一把香葱段,这碗香喷喷的鲜虾粥就做好了,米粥每颗米粒都爆开了花,吸满了虾肉的鲜味,喝起来满口的鲜香。

银耳红枣枸杞羹

东芝RC-10LTC电饭煲不仅能做米饭,做米粥,还有很多用途,能蒸能煮,还能做蛋糕。我用银耳红枣枸杞羹。主要材料就是银耳、红枣和枸杞了。银耳像木耳一样,在水中泡发可以膨胀数倍,我手上这一块银耳足够四个人的分量,我跟媳妇两个人,用半朵就可以了。

把银耳泡在冷水中发好,把根蒂去掉,撕成下面这样的小块,约小块越容易出胶质,口感才会更好。

一颗新疆红枣去核切成小块放进去,枸杞先不放。

因为银耳需要熬煮时间比较久,所以需要启动两次熬粥程序才能熬出最佳口感。从最后的成品可以看到,银耳已经炖出胶质,红枣补铁,枸杞补气,也很好的点缀了颜色

加一点冰糖,只要微甜就可以,这样的银耳羹来一碗,喝起来很舒服又营养。

总结:

之前一直以为决定米饭口感的是大米的品质,几千元的电饭煲属于“智商税”,但这次从几百元电饭煲升级到东芝10LTC电饭煲,真的让我刮目相看,锻造厚釜+立体IH加热+配合烹饪程序做出来的米饭口感这么好,也是刷新了我对电饭煲的认知,米饭真的会更好吃;原来只要电饭煲选对了,做出来的米饭真的会颗粒分明,而且软糯香甜!

电饭煲是我们使用率最高的小家电之一,它关乎做出的米饭好吃与否,这种高频使用的电器我真心感觉买好一点,虽然价格贵一点,但是能使用好多年,成本平摊一下就不觉得贵了。毕竟民以食民天,吃饱吃好才有充沛的精力面对每天的工作和生活。

如果你也和我一样挑剔,想要吃上一碗香喷喷,软糯Q弹的米饭,购买高品质大米的同时也要购买一台东芝RC-10LTC电饭煲,这款电饭煲真的值得推荐。

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政飘霄1279已知完全竞争厂商的长期成本函数为LTC=Q3 - 12Q2+40Q,计算当市场价格P=100时,厂商实现最大利润的产量,利润 -
宓童信13084057371 ______[答案] 完全竞争利润最大化条件是P=MC MC=3Q^2-24Q+40 当P=100时,计算可得Q=10(Q=-2舍弃) 此时的利润为R=PQ-LTC=1000-200=800

政飘霄1279某完全竞争的成本不变行业中的单个厂商的长期总成本函数LTC=Q3 - 4Q2+8Q, -
宓童信13084057371 ______ 已知某完全竞争的成本不变行业中的单个厂商的长期总成本函数为LTC=Q3-4Q2+8Q,试求: (1)该行业长期均衡时的市场价格和单个厂商的产量; (2)当市场的需求函数为Q=2000-100P时,行业长期均衡时的厂商数量.

政飘霄1279问个经济学计算的问题长期成本函数是LTC=Q2 (即:LTC等于Q的平方) 短期成本函数是:STC=8+Q4/32(中间那个Q4是:Q的四次方) 长期边际成本函... -
宓童信13084057371 ______[答案] 为何你的短期成本函数的一阶条件不等于短期边际成本函数?确定题目没问题?如果按照STC函数为标准的话: LTC=STC,得Q=4,LMC=LTC的一阶导=SMC=STC的一阶导,得Q=4

政飘霄12791.已知某完全竞争的成本不变行业中的单个厂商的长期总成本函数为 LTC=Q3 - 12Q2 + 40Q ,试求: (1)当市 -
宓童信13084057371 ______ 解答:TR=100Q,则MR=100. LMC= (1)、MR=LMC,即100= 解得Q=10 LTC(10)=200 LATC=200/10=20 利润=10*100-200=800 (2)、市场长期均衡时,价格等于最小长期平均成本,即P=Min{LATC} LATC= 令 得Q=6.即Q=6时,长期平均成本达最小.最小平均成本=4.所以长期均衡时价格为4. (3)、成本不变的完全竞争行业的总供给曲线为水平线,由(2)的结论知道其供给曲线为P=4.此时市场需求为Q=660-15*4=600,单个企业的产量为6,则可知共有100个厂商.

政飘霄1279【计算题】在成本不变行业,某完全竞争厂商长期总成本函数为:LTC=...
宓童信13084057371 ______ (3)当市场的需求函数为Q=660-15p时,行业长期均衡时的厂商数量. 解答:(1)根据题意,有: 且完全竞争厂商的P=MR,根据已知条件P=100,故有MR=100. 由利润最大化的原则MR=LMC,得:3Q2-24Q+40=100 整理得 Q2-8Q-20=0 解...

政飘霄1279《西方经济学》问题,已知某完全竞争的单个厂商的长期总成本函数LTC=Q3 - 12Q2+40Q,求已知某完全竞争的单个厂商的长期总成本函数LTC=Q3 - 12Q2+... -
宓童信13084057371 ______[答案] 1.LMC = dLTC/dQ = 3Q2 - 24Q + 40 = 100 Q2 - 8Q - 20 = 0 Q = 10 产量 = 10 平均成本 = LTC/Q = Q2 - 12Q + 40 = 20 利润 = 产量*(价格-平均成本) = 10*(100-20) = 800 2.长期均衡时LTC达到极小值.对LTC求导得 2Q - 12 = 0 Q = 6 产量 = 6 价格 = ...

政飘霄12792、已知某完全竞争的成本不变行业中的单个厂商的长期总成本函数LTC=Q^3 - 12Q^2+40Q求(1)P=100时,实现MR=LMC时的产量、平均成本和利润; (2... -
宓童信13084057371 ______[答案] (1)长期边际成本LMC=3Q^2-24Q+40,由于完全竞争市场中MR=P=LMC 即:3Q^2-24Q+40=100,则Q=10或-2(舍去),此时的产量为10 平均成本LAC=Q^2-12Q+40=20 利润为(P-LAC)Q=800 (2)该完全竞争的成本不变行业到达长期均衡时利润...

政飘霄12791.已知某完全竞争的成本不变行业中的单个厂商的长期总成本函数为 LTC=Q3 - 12Q2 + 40Q ,试求:(1)当市(1)当市场价格为P=100时,厂商实现MR=... -
宓童信13084057371 ______[答案] TR=100Q,则MR=100. LMC= (1)、MR=LMC,即100= 解得Q=10LTC(10)=200 LATC=200/10=20利润=10*100-200=800(2)、市场长期均衡时,价格等于最小长期...

政飘霄1279一个成本不变完全竞争行业中的某个厂商,其长期总成本函数为:LTC=q3 - 60q2+1500q,其中成本的单位为元.q为该厂商产量(1)若产品价格为P=975元,... -
宓童信13084057371 ______[答案] (1)根据MR=MC MR=P=975=MC=d LTC/dq= 3q2-120q+1500 则q2-40q+175=0 则q=5(舍去)or q=35 (2)根据行业长期均衡LAC=LMC LAC= q2-60q+1500=LMC=3q2-120q+1500 则q=30 P=LAC=600 所以厂商在(1)中的均衡不能与行业均衡并存 ...

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