若某微生物孢子在某特定溫度下的「D 值（decimal reduction time，對數減菌時間）」為 1 分鐘，則在此溫度下將該孢子之數量由平均每毫升 10,000 個降至平均每毫升 10

問題詳情

58. 若某微生物孢子在某特定溫度下的「D 值（decimal reduction time，對數減菌時間）」為 1 分鐘，則在此溫度下將該孢子之數量由平均每毫升 10,000 個降至平均每毫升 100 個，需時約：
(A)2 分鐘
(B)20 分鐘
(C)50 分鐘
(D)100 分鐘

參考答案

無參考答案

內容推薦

李斯特菌（Listeria monycytogenes）之生長受許多因素影響，請問下列敘述何者為正確？(A)其最適生長溫度為 37℃，可於冰箱溫度中緩慢生長(B)其最適生 pH 為介於 6-1
下列何種菌屬於革蘭氏陽性菌？(A)Lactobacillus bulgaricus(B)Escherichia coli(C)Salmonella typhi(D)Vibrio parahae
有關花青素，下列敘述何者正確？(A)廣佈於植物界之脂溶性鮮豔色素(B)結構安定不因光線、溫度、氧氣發生變化(C)大多數以不含糖基的配質（aglycone）存在於植物中(D)於 pH3 以下才能
Maillard Reaction 是由胺基與羰基反應而得之的褐變反應，請問胺基酸與下列何者不會產生反應？(A)D-木糖（D-xylose）(B)果糖（fructose）(C)海藻糖（treh
針對所有加工方法中，對食物的外觀、性質及功能等傷害最小的方法是：(A)熱加工(B)冷凍冷藏加工(C)乾燥加工(D)發酵加工
利用超臨界流體萃取米粒中重金屬或農藥的殘留，下列的敘述何者不正確？(A)通常利用液態 CO2 當作溶劑(B)通常在低壓狀態處理(C)溶劑通常兼具液體和氣體特性(D)流體通常易去除不殘留
依據公共工程製圖標準圖例，請選出下列正確的敘述？(A)「」符號表示自動流量平衡閥(B)「」符號表示膨脹閥(C)「」符號表示手動釋氣閥(D)「」符號表示自動釋氣閥。
2 A: “How would you like your steak to be cooked?”B: _____________(A)“It’s over-cooked.” (B)“Oh! I w
等溫吸濕曲線中，縱軸與橫軸分別為何？(A)水活性（Aw）、平衡相對溼度（ERH）(B)食品平衡含水量（%）、平衡相對溼度（ERH）(C)食品平衡含水量（%）、水活性（Aw）(D)水活性（Aw）
3 A: “Would you mind showing me your passport and flight ticket, please?”B: ________________(A)“Sure
4 A: “Where can we buy souvenirs at a reasonable price in this vicinity?”B: _________________(A)“Par
5 A: “How can I get to the Grand Hotel?”B: _________________(A)“Take your time. You don’t need to hu
6 A: “I’m thinking of buying a notebook computer.”B: _______________(A)“Yeah, but you don’t know how
7 A: “I’m afraid I don’t have time to meet you today.”B: ________________(A)“That’s OK. Should I say
8 A: “Are you ready to order?”B: _____________(A)“I’d like a salad and a cup of coffee, please.” (B)
9 A: “What would you think a person with a slight fever should do?”B: _______________(A)“Please keep
10 A: “Excuse me. May I come in?”B: _______________(A)“Why don’t you guess.” (B)“That’s right. How a
11 A: “I think it is impolite for a guest to leave the house without saying goodbye to the host.”B:
12 A: “Last week I was invited to a birthday party.”B: _____________________(A)“Anything interesting
13 A: “I’d like to see a movie shown at the Theatre Complex. Do you like to join me?”B: ____________
15 A: “Excuse me, but I think you made a wrong turn. You were supposed to turn left on Wilson.”B: __
14 A: “Look at the line in front of the restaurant! We should have made a reservation.”B: __________
16 A: “Here we are. I want to show you the living room. Do you like it?”B: __________________(A)“No,
17 A: “I just heard from the weather broadcast that it may rain heavily today. Are you going to driv
18 A: “Why don’t we go to the baseball game?”B: __________________(A)“Thanks. It is my treat.”(B)“I’