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buffer solution 【化學】緩沖溶液。

buffer state

In the view of hydrolyze coating way , ph value , treating temperature , concentration of premonitory matter solution , buffer solution amount and premonitory matter amount affect the coat layer forming mainly . according to the results of experiments , the best technical condition is that ph = 6 . 5 , [ al3 + ] = 0 . 064mol / l , t = 343k , vbugersoiution = 40ml 水解包覆工藝改性研究結果表明: ph值,處理溫度,覆層前驅物溶液的濃度、緩沖溶液加入量和覆層前驅物加入量這幾個因素對石墨表面覆層形成存在重要影響。

Abstract : the method of using formaldehyde buffer solution a b sorption - hydrochloric pararosaniline spectrophotometry to determine sulfur diox ide in air has higher sensitivity and good selectivity , and prevents from adoptin g mercurial absorbent . but the conditions in lab are not well controlled , the v alue of reagent blank and standard curvilinear slope can ' t accord with the one s tipulated in “ methods for air and waste gas monitoring and analysis ” . some opra tional techniques for so2 determination in lab are introduced for reference 文摘:以甲醛緩沖溶液吸收-鹽酸副玫瑰苯胺分光光度法測定空氣中的二氧化硫,方法靈敏度高,選擇性好,避免了使用含汞的吸收液,但如果實驗條件控制不好,試劑空白值及標準曲線的斜率就會不符合《空氣和廢氣監測分析方法》中規定的值,本文著重從操作技巧方面對二氣化硫測定的實驗室質量控制進行分析,僅供參考。

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 本文對姜黃素的研究結果表明,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移過程,據此,本文建立了以差示脈沖伏安掃描法檢測姜黃素含量的新方法。

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,我們團隊在2001年發表的電腦成品是全自動的,只要在試管內適當的緩沖溶液中加入輸入、軟體和硬體分子,計算就會自動開始,反覆進行,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,應用二維紅外相關光譜技術,綜合應用酰胺帶和酰胺帶信息,對堿性ph擾動下的牛血清白蛋白二級結構在紅外光譜酰胺帶和酰胺帶中的信息進行了譜峰確認及歸屬指派。

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,我們團隊在2001年發表的計算機成品是全自動的,只要在試管內適當的緩沖溶液中加入輸入、軟件和硬件分子,計算就會自動開始,反復進行,一直到完成為止,完全不需要人為介入。

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 通過對試樣的性能測試和形貌觀察,研究了pdlla ha復合纖維在降解過程中其分子量、重量和力學性能以及緩沖溶液ph值等一系列參數的變化規律,并探討了復合纖維的降解機理。

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 ) 經轉化大腸桿菌dh5a和iptg誘導表達后用sds - page電泳分析,獲得一條約120kda的表達條帶; iptg誘導表達后提取原生質膜測定透明質酸分解酶活力,表明該hyl片段的產物能夠在體外分解細菌來源的ha 。采用兩種策略滅活hyl基因。

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浸泡實驗結果表明:隨著薄膜中氟含量的增加,薄膜表面上羥浙江大學碩士學往論文基磷灰石沉積層越來越均勻,沉積方式由島狀向層狀轉變,說明生物活性隨之增加。

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沒有完全研究清楚,但也可以通過測定茶湯鋁的kow值,用以推斷飲茶與鋁在生物體內的吸收和積累情況。

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 )緩沖溶液中測定人血清銅藍蛋白(抗原) 。

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 對殼聚糖棒材體外降解進行了初步的研究,發現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 electrochemical and spectroscopic behaviors of mp - 11 in the in the aqueous solution and simulated physiological solution , i . e . the solution of 20 % methanol and phosphate buffer solution with 20 % methanol are compared 比較了mp ? 11在水溶液和模擬生理條件(即20甲醇和5mmol / l磷酸緩沖溶液)中的電化學和光譜行為。

Hcl buffer solution at ph 5 . 5 , a sensitive adsorptive complex wave of in - lumogallion was obtained by single - sweep polarography . the change of peak height with the concentration of indium is linear in the range from 1 . 0 10 - hcl底液中可獲得銦-熒光鎵體系靈敏的絡合吸附波。測定銦的線性范圍為1 . 010

Different from potassium acetate , ammonium acetate intercalated into the inner layer of kaolinite more completely in buffer solution ( ph = 9 ) than under near dry condit ion 與乙酸鉀不同,乙酸銨與高嶺土的插層作用在ph = 9的緩沖溶液中,比在近干態下進行的完全。

The electrochemical behaviours of paeonol on different solid electrodes were studied by cyclic voltammetry in alkaline phosphat buffer solution 研究了在堿性磷酸鹽緩沖溶液體系中,丹皮酚在固體電極上的電化學吸附氧化行為。

Ph measurement ; technical buffer solutions , preferably for the calibration of technical measuring installations Ph值測量.主要用于工業測量設備校準的工業緩沖液

Ph measurement - referenz buffer solutions for the calibration of ph measuring equipment Ph值測定. ph值測定設備校正用標準緩沖溶液

A solution which resists ph changes is known as a buffer solution 能夠阻止ph值變化的溶液稱為緩沖溶液。