difference n. 1.差異,差別。 2.不和,爭(zhēng)論。 3.【數(shù)學(xué)】差,差額。 4.【邏輯學(xué)】特殊性。 There is no difference between them. 兩者毫無(wú)差別。 the difference of jetsam from flotsam 棄貨不同于浮貨。 What difference can it make 不是一樣嗎? He is an artist with a difference. 他是別具風(fēng)格的藝術(shù)家。 distinction without difference 無(wú)聊的區(qū)別。 make a difference 發(fā)生差別;使…有差別;(結(jié)果等)是重要的,有關(guān)系[影響] (One false step will make a great difference. 失之毫厘,謬以千里。 Don't let it make any difference. 沒(méi)關(guān)系。 make a difference between A and B 使甲乙有別,對(duì)甲乙不一樣)。 pay [meet] the difference 付差額金。 seek common ground while reserving differences 求同存異。 settle differences 調(diào)停。 split the difference 1. 折中,妥協(xié)。 2. 均分剩下的東西。 vt. 〔罕用語(yǔ)〕區(qū)別,使有差別。
spectrum n. (pl. -tra ) 1.【物理學(xué)】譜,光譜;波譜;能譜,質(zhì)譜。 2.【無(wú)線電】射頻頻譜;無(wú)線電(信號(hào))頻譜。 3.【心理學(xué)】(眼睛的)余像;殘像。 4.〔轉(zhuǎn)義〕范圍,幅度;(連續(xù)的)系列。 an absorption spectrum 吸收(光)譜。 a bright line spectrum 線狀光譜。 an optical spectrum 光譜。 a solar spectrum 太陽(yáng)光譜。 a wide spectrum of opinion 意見(jiàn)的不同幅度甚大。
Study on the interaction of me2sncl2 with apo - ovotransferrin by uv difference spectra 2與脫鐵伴清蛋白作用的紫外差光譜研究
The temperature induction expression of the recombinant e . coli . was carried out and vhb protein of 16k - d was expressed . 3 we demonstrated the vhb owns biological activity by co difference spectrum ) 2構(gòu)建了含有vgbm基因的原核表達(dá)載體pbv221svhb并轉(zhuǎn)化大腸桿菌菌株bl21 ,經(jīng)熱激誘導(dǎo),在培養(yǎng)物中檢測(cè)到了約16kd具有生物活性的vhb蛋白。
Absorption , fluorescence emission and excitation spectra of five pigment - protein complexes were determined . photosynthetic electron transfer was measured from the dcip photoreduction . p700 concentration was assayed from the ferricyanide - oxdised minus ascorbate - reduced difference spectrum 測(cè)定裙帶菜各色素蛋白復(fù)合物的吸收光譜、熒光發(fā)射光譜和熒光激發(fā)光譜,并進(jìn)行了dcip的光還原測(cè)定和化學(xué)法的氧化還原差示光譜測(cè)定。
By observing the effect of acidity on the uv difference spectra of ehpg or hbed , the spectral characteristics of apoovotransferrin binding to metals and anions at ph 7 . 4 show that the reaction of apoovotransferrin with metals is related to deprotonation of the phenolic group of tyrosine of the metal binding sites , while the binding of apoovotransferrin to anions is associated with the protonation of the phenolic group of tyrosine of the anion binding sites 摘要通過(guò)觀察酸度對(duì)模擬轉(zhuǎn)鐵蛋白小分子ehpg和hbed紫外差光譜的影響,結(jié)合脫鐵伴清蛋白與金屬離子、陰離子結(jié)合的光譜特性,推斷脫鐵伴清蛋白與金屬離子的結(jié)合導(dǎo)致金屬離子結(jié)合位點(diǎn)處酪氨酸酚羥基的去質(zhì)子化,而與陰離子的結(jié)合導(dǎo)致陰離子結(jié)合位點(diǎn)處酪氨酸酚羥基的質(zhì)子化。
In chapter 3 , the three 1 , 1 ' - dicarbonylferrocene compounds " properties are systennically characterized by ir , uv , 1hnmr , tg , esr , xps and the infrared difference spectrum before and after irradiation 1 , 1 ' - diformacyl - ferrocenebiphenyldiamine and 1 , 1 ' - diformacylferrocene - o - phenylenedamine polycondensates " chemical and physical properties are characterized by elemental analysis , ir , 1hnmr , tg - dta , gpc and xps 同時(shí),對(duì)合成的1 , 1 ’ -二甲酰二茂鐵聯(lián)苯二胺縮聚物和1 , 1 ’ -二甲酰二茂鐵鄰苯二胺縮聚物用元素分析、 ir 、 ~ 1hnmr 、 tg - dta 、 gpc及xps對(duì)其化學(xué)與物理性能進(jìn)行分析。