幫我畫出正確答案

4. The cross-linking reaction of polyvinyl alcohol forms four water molecules for every B(OH)4 that cross- links two polymer chains. Given the sections of polyvinyl alcohol chains below, sketch how B(OH)4 cross-links the chains. Through what atom chain linkages are the C-C polymer backbones connected? CH CH₂ H O-H O-H H H CH₂ H-O. +B (OH)4 H H CH₂

大二線性代數的問題 要證明b小題 有沒有哪位大神可以幫幫我😭😭😭

☆ 令 a,b,c為n 向量,不為實數,試證做到(n=3)即可 ✓ a a b b a (b) (a+b) c = a.c+b.c (c) (ka) b=a (kb) = k(a b) T₁₂ (b)

想請問這個表格上寫的 "fold reversal "是什麼意思 要怎麼翻譯比較好，謝謝（有上網查過了，但不太了解）

Pro DC 箱(W) 說明(H) nib).pdf x ↑ X gs 638 (3/14) 125% ... Table 1. Effect of lazertinib on reversing the MDR mediated by ABCB1 or ABCG2 in drug selected resistant cancer cells IC 50 ± SD (µM) (fold reversal) Compounds KB (parental) KBv200 (ABCB1) Vincristine 0.0059 +0.0323 (1.00) 0.2263 ± 0.0323 (1.00) +0.0625 µM Lazertinib 0.0053 ± 0.0003 (1.12) 0.0041 ± 0.0002 (1.43) 0.0782 +0.0182** (2.89) 0.0195 ±0.0105** +0.125 µM Lazertinib (11.60) 0.0090 0.0011** (25.21) +0.25 µM Lazertinib 0.0050 +0.0007 (1.54) 0.0042 ± 0.0002 (1,47) 0.0100 ± 0.0038** (22.60) +10 µM Verapamil Doxorubicin 0.0218 ± 0.0038 (1.00) 1.2091±0.4592 (1.00) +0.0625 µM Lazertinib 0.0216 ± 0.0093 (1.01) 0.4347±0.0807** (2.76) +0.125 uM Lazertinib SD alo and *p exp tor res an apy ure wh ing E Confe 100% M C 從表1年 對受質車 ABCG2 然而·L= 劑的IC5C 藥物敏感

16.29如何解，感謝~ 乙胺Kb=4.7*10^-4 普化 答：5.97

滴定曲線 4K 16.27 將 35 mL的0.10 M氫氧化鈉(NaOH) 加入25 mL的0.10 M鹽酸(HCl)中,則溶液的pH值為何? 16.28 將1.24g的苯甲酸配製成 50.0 mL的溶液,以 0.180M的氫氧化鈉(NaOH) 滴定之,當達到滴定終點 時其pH值為何? a 16.29 0.15 M KJENTE (HCI) Ė 32 mL KJ 0.087 M 乙胺,達到滴定終點時其pH值為何? Kb = 4.1-19 時其 16.30 以0.200M的鹽酸(HCl) 滴定 50 mL的0.100 M 氰化鈉(NaCN), CN 的K值為2.0 x 10,計算下 列溶液的pH 值:日滴定前;日加入15.0 mL 的0.100) M HClic在當量點時;d 加入30.0 mL的0.200 MM

大學普化 方智化學第六題

ow Na k 7 CI o se Br Chapter 2 化學鍵結 AH -C=CH 升二技插大 3. Brigma The bond between the carbon atoms in acetylene (HCCH) consists of ) (A)6 pi electrons (B)4 pi and 2 sigma electrons (C)6 sigma electrons (D)2 pi and 4 sigma electrons (E)3 pi and 3 sigma B) B 7.(BCDE) electrons. 【84 成大化學) 14.(B) 20.(C) 4. E ) (A)NO; [83 中興A] Which of the following has a triple bond? (B)O2 (C)C12 (D)CO; (E)CN-. Which one of the following element pairs has the lowest electronegativity (B) 27.(D) 34. (C) C) 41.(CD) 1 G difference and thereby is the least polan? Få 10 323.49 B) (84 5% *ILI) -) 48. (A) 6. NET 2 > 2 D) 58. (D) 62. (B) 69. NO+ D Obind (219) O 发 (A)SeF (B)Seci (QKBr (D/NaCl (E)KAT. 11 The compound Sio does not exist as a discrete molecule while CO2 does. This can be explained because ly 2 ep 3 15 aly zp (A)the Si–O bond is unstable (B)The Lewis structure of SiO has an even number of electrons (C)The SiO2 is a solid while CO, is a gas (D)the 3p orbital of the Si has little overlap with the 2p of the 0 (E)none of the these. V MOJT 515 1 - 4 40 (成大】 Yi (4 0 atom) (86 58*A] 7. In order to explain the valence observed for many of the elements 0 -Si-O in terms of electron configurations, it is often useful to look at electronis staies slightly different from the ground state in comparing 0-41-0 the ground state of boron with the state more useful to describe 0 bonding, the number of unpaired electrons goes from (A)1 to 2 (B)1 to 3 (C)3 to 4 (D)3 to 5 (E)none of the above. (集 (80 清大B) Which of the following compounds should not exist? ( (, 【85 成大A】 alf 566-32 Cle 32-8-24 2-89 cild 14 1 he atoms 83 中興A) mm bove. B 29 p. 1 1 be a ) \CHE > ? (A)Na,P (B)(NH4),PO, CIPO. DPH xH)POCI,, Maspal sput 中興A] Pa zorgt O 15412 = 1) O-P- 5 5+12= 1) 10-4 - 13 13-12=1 -- cl-P-0

求解10xBSA怎麼解？

Exercise 1 • A5 kb plasmid DNA has two Bam HI sites. You would like to use this enzyme to digest 5ug of this DNA. How would you do? (DNA concentration: 2 mg/ml) Bam HI concentration: 20000 U/ml Unit definition of Bam HI: 1 unit enzyme can completely digest 1 ug of lambda DNA at 37 °C in 1 hour. (lambda DNA has 48500 bp and 5 Bam HI sites) The reaction needs supplement with 100 ug/ml bovine serum albumin (BSA, 10x concentration) • Calculate the volume of all ingredients and setup the reaction table.

請問傳送時間T=8L/1000R 這個式子怎麼來的？

度可能是外部需求的5Mb/s 或內部需求的 10 Mb/s。需 2500 kb。傳送速度可能是 求從公司內部和外部隨機抵達,與頁長 (也是隨機) 無關。 傳送速度AA和 某公司的網頁有三頁,傳輸時分別需要 750 千位元組 (kb)、1500 kb、和 頁長了 的機率模型如下 : 唄 2 [0.31 人730 尼 苹以 Qiug: 崗 03 各00 有00 210.6 7=10, 及00二2500 (5.49) 0 其他 寫一個式子來表示傳送時間 g(A,/)秒。推導期問的傳送時間 E[&(AR,7]。 是否 E[g(A, 7)]=g(CEIA] E[ZJ)? My _(os。 吃 osPOIIDOIIIIEIIIIWrAu 了 傳送時間 7秒是頁長 (kb) 除以傳送速度 (kb/) 或了8Z/10008。因為8 和字互相獨立 , 及(7 =及(0)乃7) 只 人人 全 Blg(8.0122史和(505號 4 區 及(7 : 二 7 )辣 0 6590 = +全 1000〔5 (0.3(750)+0.5(1500)+0.2(2500)) =1.652秒 藉由比較,E[A]=y' /p 8 yy, 白 路 之,羽0)=8Mb/秒,且BLz]- 放罰(0 =1475kb 3 We

請問 NNP=NI+移轉支付淨額 這個公式是怎麼推導而來的

下午2:1115.5KB/s 兮 由 792) U MBA匠 國內生產淨值 (Net Domestic Product, NDF) 是指在國內生產總值 (GDP) 中扣除生產資本的消耗 後得到的國內生產總值。國民生產凈值與國內生產凈 值在內容上基本一致, 但也存在區別: 性質上國內生 產凈值是一個生產概念, 而國民生產凈值是一個收入 概念; 在計算口徑上也略有差異。其計算公式為: 弄民生產淨值=國內生產凈值+來自國外的原始收 入-付給國外的原始收入 國民生產凈值的計算 弄民生產凈值 (NNP) - 資本折舊 1 瘟 民生產總值 (GNP) 弄民生產凈值 (NNP) 稅-津貼) 1 是 民收入 (NI) +(間接 本條目對我有幫助 隍 75 分享到: 刁只圖也 圖 眠] 第三節 國民生產統計分析 15頁 圖)二各 才 ( 圖

求救！！ 誰可以告訴我該選哪個字 還有第五題 什麼單字是p開頭d結尾可以套用在上面的

am1lTauon tor SOIneODC/ 鋪 了 (A) Contemplate (B) Converse (C) Compliment (D) Complain 5. The work wasp_dout fairly. (divided and assigned) 說 3_C2hyu My 6. A person's culture can influence the way he tries to find balance im foods hec_s. (eats) | 17 Today's slightly shorter Tace could well helptot_pthe seales in his favor (give advantage to) g 8.Imust check my bankb_e. (money saved in abank account) IL Collocation, 人 1. The job applieant balanced the attractions ofahigh salary (after/about/一 against/at) the prospeet oflong working hours. 了 2. The doctor saysIhaveto go (outeon/ofpoverD adiet 3. Avoid complaining (after/atzabout/around) a bad boss or job you had before. 4. Since super tasters avoid bitter fruits and vegetables, their diets are sometimes not balaneed, which could put them (in/to/of/at) risk for certain types of cancers. 5 All people should pay attention to what they eat, but nontasters and supertasters must be 天EE aape ofthe foods they are consuming or avoiding and find other ways to make (after/before/up/down) the difference, 5 多Nadonists around the word often speak about the importance ofa 好 盡e Balance/balances/balanced/balancing) diet ion to (has/have/having/had) more taste buds, supertasters are bormn with agene that makes 崗em sensitive to bitfer food 8. Smiling shows you are (easy/easily/easygoing/ease) and enthusiastic, 本 Reading Comprehension, J ipes is called Yorkshire Pudding, which is a traditional .Iisasimple dish made with eggs, flour,and milk.。My 由 Jngs taste so good because they are light crisp, and slightly sweet.。She

各位大大我想問第23題為什麼答案是（C)22 為可能值 而A,B就不是?

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