耐酸性

耐酸性是细菌在低pH环境下继续产酸并行使功能的能力，被认为是致龋菌在牙的生物膜上生存的一个重要决定因素。

Acid resistance is that bacteria can continue producing acid and performing its function under low pH value , which is regarded as an important determinant factor for survival of cariogenic bacteria in the biofilm on teeth .

LuxS基因缺失对变形链球菌耐酸性的影响

Effects of LuxS gene deletion on the acid resistance ability of Streptococcus mutans

最适pH值均为7.0，耐酸性较差；

The optimum pH was 7.0 , and the acid-resisting ability was poor .

结果筛选到一株遗传性状稳定的高产氢突变株，具有良好的耐酸性，在pH值3.0时仍能生长。

An aciduric mutant with steady hydrogen-producing capability , which was able to grow at acidic pH of 3.0 , was obtained .

酸碱稳定性方面，在pH值3.5-6.8之间时，有较好的耐酸性，较强的稳定性。

Acid and alkali stable aspect , when the pH value between 3.5-6.8 , has the good acid resistance , strong stability .

铁基SiN表面陶瓷的结构及耐酸性腐蚀行为

Structure of Iron Based Surface Silicon Nitride Ceramics and ITS Corrosion Resistant Behaviors To Acid Solution

结果表明：通过酸性梯度差异培养法，分离到的兼性耐酸性酵母菌能在pH≤4的环境下继续表现出较强发酵代谢能力，适宜作白酒发酵生产用菌种。

Results indicate that isolated half-aciduric yeast by acidic grads difference could show well zymotic metabolism and it is appropriate strain for distilled spirit fermentation .

纳米铝酸锶长余辉发光粉体的制备研究纳米SiO2包覆改性薄片铝粉颜料及其耐酸性研究

Study on Preparation of Nano-Sized Long Afterglow Aluminates Phosphors ; Aluminum Pigments Encapsulated with Nano-SiO_2 Coatings and Their Acid-resistance

变形链球菌Ⅰ型mutans和Ⅲ型sobrinus的产酸、耐酸性实验研究

A Study on Produce Acid and Acidic Tolerance of Streptococcus Mutans and Streptococcus Sobrinus

AGM隔板要有良好的耐酸性和弹性等。

AGM should be acid-proof and elastic .

以丙烯酰胺（AM）为单位，K2S2O8为引发剂，N，N′-亚甲基双丙烯酰胺为交联剂，进行水溶液聚合，再对产物进行磺化反应，制得耐酸性高吸水性树脂。

An acid-proof high water-absorbing resin was prepared from acrylamide as monomer , K_2S_2O_8 as initiator , and N , N ' - methylene-bis-acrylamide as crosslinking agent by aqueous solution polymerization and then by sulfonation reaction .

A7菌株能耐受pH2.5的酸性环境和0.5%胆盐浓度，是耐酸性和耐胆盐较强的菌株，并且该菌株对嗜水气单胞菌具有很强的抑制作用。

The strain has tolerance to bile salt concentration of 0.5 % and pH2.5 ability .

结果表明：精制桃胶溶液的表观粘度受溶液浓度、温度、pH值的影响较大，但同时具有较好的冷冻-解冻稳定性、耐酸性及耐盐性，是一种假塑性流体。

The results showed that the apparent viscosity of the gum solution was greatly influenced by the concentration , temperature and pH. At the same time , it had good frozen-thawing stability , acid-resistance and salt tolerance , it was pseudoplastic fluid .

运用He-Ne激光辐照产气肠杆菌（Enterobacteraerogenes），对激光诱变参数进行优化，考察了突变株的遗传稳定性、耐酸性和产氢特性。

Enterobacter aerogenes was irradiated by He-Ne laser to optimize the laser mutagenesis condition , and to test the heredity , aciduric and hydrogen-producing potential of the mutant .

水生假丝酵母能在极低的pH值环境中生长，其发酵产物中有三种酶具有耐酸性α-淀粉酶活性，原始菌株的淀粉酶活力为133U／g。

Candida aquatica could survive in the environment of extremely low pH , it could produce three kinds of acid-stable α & amylase . The original amylase activity of the Candida aquatica was 133U / g.

通过比较多种密封剂在弱酸性介质中浸泡后的拉伸强度、伸长率、硬度及与聚乙烯渗透膜的剥离强度，选择了RTV硅橡胶G585作为净水器用耐酸性介质密封剂；

S : RTV silicone rubber G 585 was used as anti-acid sealant for cleaning-water machine by comparing the tensile strength , elongation , hardness , and tear strength of sealants in acidity medium .

介绍了改性羟基丙烯酸树脂的合成工艺，并研究了由其配制的丙烯酸汽车罩光清漆的性能，该涂料是合成工艺简单、耐酸性及物理机械性能较好的汽车用OEM涂料。

This article has described the preparation technology of modified hydroxyl acrylic resin and the preformance of the acrylic automotive clear finish , which is a high performance automotive OEM coatings with simple preparation technology , good acid resistance and mechanical properties .

耐酸性试验中，病毒在pH3.0经37℃作用1小时，毒力下降4.4个滴度；

In acid tolerance assay , this virus was sensitive to pH3.0 at 37C in 1 hour , and the average infection titre of the virus decreased 4.4 titre .

通过黑曲霉固体发酵生产酸性蛋白酶，对此酸性蛋白酶的部分酶学稳定性（耐热、耐酸性、金属离子稳定性等）进行实验探讨。在不同pH的Tris-HCI中孵育一定时间，评价其耐酸性；

The stability of Acid protease produced by Aspergillus niger was studied , including heat stability , acid stability , metals ion stability , etc . VacA-IgY was added into Tris-HCl of different pH values and incubated under a temperature of 37 ℃ to access its acid stability using ELISA .

开发了工业生产非晶态合金催化剂的关键技术和设备，引入杂原子，调整对各种官能团的加氢活性、耐酸性和磁性，形成了SRNA系列催化剂。

The critical technology and equipment for commercial production of amorphous alloy catalyst were set up to introduce hetero-atoms in amorphous alloy catalyst and to control its hydrogenation activity , acid resistance and magnetic property , so that SRNA series catalysts were produced .

快速筛选耐酸性α-淀粉酶生产菌株的平板透明圈法

A Rapid Plate Culture Method for Screening Micro-Organisms Producing Acid-Tolerant Amylase

凝胶强度强，尤其耐酸性特好；

The gel intensity is strong , particularly under acidic conditions .

耐酸性α-淀粉酶产生菌发酵条件的优化

Study on Fermentative Condition of the Acid Resistant Alpha-amylase Producing Strains

耐酸性液化糖化淀粉酶的液态发酵工艺的研究

Study on Process Conditions of Liquid Culture of Acid-resistant Liquefying-saccharifying Enzyme

耐酸性高吸水性树脂&磺化聚丙烯酰胺的制备

The high water-absorption-resin with acid resistance & preparation of sulphonated polyacrylamide

响应面法选择耐酸性清酒酵母A发酵参数研究

Optimization of fermentation condition of acid-resistant sake yeast A by RSM

白曲耐酸性α-淀粉酶的分离和纯化

Separation and Purification of Acid Stable α - Amylase from White Qu

变形链球菌耐酸性相关基因的研究

Study on the Gene Related to the Acid Tolerance of Streptococcus Mutans

新型耐酸性不锈钢波纹补偿器在莱钢煤气系统的应用

Application of New Acid Proof Stainless Steel Ripple Compensator in Gas System

有良好的耐酸性和应用性能。

Have good acid resistance and excellent property of application .