buffer n. 1.【機(jī)械工程】緩沖器,緩沖墊;阻尼器,減震器;消聲器。 2.【化學(xué)】緩沖,緩沖劑。 3.緩沖者;緩沖物;緩沖國(guó)(= buffer state〕。 4.〔計(jì)算機(jī)〕緩沖存儲(chǔ)裝置。 oil buffer【機(jī)械工程】油壓減震器。 vt. 1.【化學(xué)】用緩沖劑處理。 2.緩和;緩沖;保護(hù);使不利影響減少。 buffer economy by raising interest rates 以提高利率來(lái)保護(hù)經(jīng)濟(jì)。 The drug buffer-ed his pain. 這劑藥減輕了他的病痛。 buffer2 n. 1.【機(jī)械工程】拋(光)盤,拋光輪,拋光棒。 2.拋光工人。 n. 1.〔英俚〕無(wú)能的人,老派人物。 2.家伙,人。 3.【航?!克諿掌帆]長(zhǎng)副手。 He was a bit of buffer. 他有點(diǎn)低能。 an old buffer 老家伙,老糊涂,老朽。
Degradation in vitro of cs rod was studied . results of weight loss and molecular weight change of cs rod degrading in phosphate buffered solution for 16w indicated that cs degraded very slowly 對(duì)殼聚糖棒材體外降解進(jìn)行了初步的研究,發(fā)現(xiàn)棒材在磷酸鹽降解液中16w后失重率和分子量降低不明顯,表明殼聚糖降解非常緩慢。
The antibody of ceruloplasmin is modified on the qcm by the approach above and the determination of ceruloplasmin is carried out in the buffer solution with 3 . 5 % polyethylene glycol ( peg ) 采用上述固定化方法,將銅藍(lán)蛋白抗體吸附固定于石英晶體表面,在含有3 5的聚乙二醇( peg )緩沖溶液中測(cè)定人血清銅藍(lán)蛋白(抗原) 。
In our experiment , kow value was also employed to study the aluminum properties in tea infusion ( at gastric and intestine ph condition ) and the influences of catechins , tea polyphenols and fluoride on kow in buffer solution 所以盡管茶湯中的鋁的存在形態(tài)沒有完全研究清楚,但也可以通過測(cè)定茶湯鋁的kow值,用以推斷飲茶與鋁在生物體內(nèi)的吸收和積累情況。
The films were soaked in sbf simulated body fluid and cpbs phosphate buffer solution , the results showed that the fha films were less soluble than ha films . with the increase of fluorine content , the fha sediment layer in sbf solution becomes more even Fha薄膜sbf浸泡實(shí)驗(yàn)結(jié)果表明:隨著薄膜中氟含量的增加,薄膜表面上羥浙江大學(xué)碩士學(xué)往論文基磷灰石沉積層越來(lái)越均勻,沉積方式由島狀向?qū)訝钷D(zhuǎn)變,說明生物活性隨之增加。
The expression vector pse380 - / iy / was constructed and transformed into e . coli dh5a , expressing hyl gene by adding iptg into the broth . the expression of hyl gene showed a 120kda protein band on sds - page gel and was found to have capability to degrade ha molecules derived from a microorganism dissolved in 0 . 1 m acetate buffer solution ( ph4 . 0 ) 經(jīng)轉(zhuǎn)化大腸桿菌dh5a和iptg誘導(dǎo)表達(dá)后用sds - page電泳分析,獲得一條約120kda的表達(dá)條帶; iptg誘導(dǎo)表達(dá)后提取原生質(zhì)膜測(cè)定透明質(zhì)酸分解酶活力,表明該hyl片段的產(chǎn)物能夠在體外分解細(xì)菌來(lái)源的ha 。采用兩種策略滅活hyl基因。
The changes in molecular weight , mass , mechanical strength , microstructure of fibers and ph value of the buffer solution with time in vitro had been studied . the study shows that degradation mechanism of pdlla / ha compound fiber was indicative of an autocatalysis process and simple noumenon hydrolysis 通過對(duì)試樣的性能測(cè)試和形貌觀察,研究了pdlla ha復(fù)合纖維在降解過程中其分子量、重量和力學(xué)性能以及緩沖溶液ph值等一系列參數(shù)的變化規(guī)律,并探討了復(fù)合纖維的降解機(jī)理。
Remarkably , the resulting computer that our team announced in 2001 was autonomous : once the input , software and hardware molecules were placed in an appropriate buffer solution in a test tube , computation commenced and proceeded iteratively to completion without any human intervention 值得一提的是,我們團(tuán)隊(duì)在2001年發(fā)表的計(jì)算機(jī)成品是全自動(dòng)的,只要在試管內(nèi)適當(dāng)?shù)木彌_溶液中加入輸入、軟件和硬件分子,計(jì)算就會(huì)自動(dòng)開始,反復(fù)進(jìn)行,一直到完成為止,完全不需要人為介入。
Perturbations that could change the secondary structure of protein are introduced in this thesis . appling 2d correlation spectrum , peaks conformation and their assignments in the region of amide i and iii are completed to the bovine serum albumin in the phosphate buffer solution under alkaline ph - independent perturbation 以牛血清白蛋白為例,應(yīng)用二維紅外相關(guān)光譜技術(shù),綜合應(yīng)用酰胺帶和酰胺帶信息,對(duì)堿性ph擾動(dòng)下的牛血清白蛋白二級(jí)結(jié)構(gòu)在紅外光譜酰胺帶和酰胺帶中的信息進(jìn)行了譜峰確認(rèn)及歸屬指派。
Remarkably , the resulting computer that our team announced in 2001 was autonomous : once the input , software and hardware molecules were placed in an appropriate buffer solution in a test tube , computation commenced and proceeded iteratively to completion without any human intervention 值得一提的是,我們團(tuán)隊(duì)在2001年發(fā)表的電腦成品是全自動(dòng)的,只要在試管內(nèi)適當(dāng)?shù)木彌_溶液中加入輸入、軟體和硬體分子,計(jì)算就會(huì)自動(dòng)開始,反覆進(jìn)行,一直到完成為止,完全不需要人為介入。
The electrochemical study showed that the interaction mode is mainly intercalative binding in ph 7 . 4 phosphate buffer solution . the uv - vis spectroscopic study further demonstrated the above results . through the electrochemical parameters such as charge transfer coefficient and standard electron transfer rate constant ks in the absence and presence dna , it was found that the reaction of aloe - emodin with dna forms an electrochemical active supramolecular complex 本文對(duì)姜黃素的研究結(jié)果表明,在0 . 1m磷酸鹽緩沖液( ph3 . 0 )中,姜黃素于玻碳電極上存在可逆的單電子轉(zhuǎn)移過程,據(jù)此,本文建立了以差示脈沖伏安掃描法檢測(cè)姜黃素含量的新方法。
A buffer is an aqueous solution consisting of a mixture of a weak acid and its conjugate base or a weak base and its conjugate acid. Its pH changes very little when a small amount of strong acid or base is added to it and thus it is used to prevent changes in the pH of a solution.