查询词典 acid-base

Low pH is used to eliminate the adsorption of peptides and proteins to the inner surface of capillary. Ascorbic acid is used to avoid aminophenol from oxidation.

对于多肽和蛋白质样品中吸附现象，采用极端pH值的条件予以避免；对于分析存在易氧化杂质的氨基苯酚样品，采用了加入保护剂的方法，对于难溶的Bon acid样品，采用了加入有机添加剂的方法。

Arachidonic acid and its metabolites have been shown to have important physiological or patho-physiological functions in nervous system.

而其中Arachidonic acid对於细胞的生理功能更是有著相当广泛的影响。

The appearance of dye powder is brown and the main colouring component is Chebulinic Acid.

该植物染料粉末为棕色，主要成份为Chebulinic Acid

MethodsCaS/PLA/GM implant tablets were made from composite of citrated calcium sulfate and polylactic acid mixed with gentamycin at a certain ratio. According to ISO 10993-1 standards, following biological experiments were performed to evaluate the biocompatibility and safety of the CaS/PLA/GM delivery system, as well as haemolysis, cytotoxicity, pyrogenic, and intramuscular implanting tests.

本实验以已研制的生物可降解柠檬酸化硫酸钙[2]作为抗生素载体，研制新型抗生素释放系统-硫酸钙/聚乳酸/庆大霉素释放系统(calcium sulfate/polylactic acid/genta-mycin CaS/PLA/GM)，对其生物相容性进行评价。

Somaclonal variation of red-seed watermelon (Citrullus lanatus ssp. vulgaris var. megalasperrnus Lin et Chao) was used in selecting in vitro of the germplasm resources resistant to Fusarium wilt under the stress of Fusarium acid.

以籽用西瓜中信1号红籽瓜不定芽为筛选材料，利用镰刀菌酸(Fusarium acid， FA)为胁迫剂，进行红籽瓜抗枯萎病无性系变异体离体筛选技术和红籽瓜种质资源抗病性鉴定的研究。

Proteins associated with the membrane and the cytosolic portions of the proteome under different copper ion concentrations were differentially labeled with an acid cleavable isotope-coded affinity tag reagent, and the labeled peptides were separated by two-dimensional chromatography and characterized by electrospray ionization-tandem mass spectrometry.

我们分别将在不同铜离子浓度下的细胞质以及细胞内膜中所有蛋白质标识上酸裂性同位素亲和性标识(acid cleavable isotope-coded affinity tag， cICAT)试剂，用二次元管柱层析将所有标识并酵素水解过的片段分离，并且用电洒式串连质谱(electrospray ionization-tandem mass spectrometry， ESI-MS/MS)以及基因体定序资料库决定蛋白质序列。

In this study, Polyurethane/hydrogel composites were fabricated for wound repair applications. The hydrogel was copolymer of thermosensitive N-isopropyl acrylamide and acrylic acid.γ-ray irradiation was employed to copolymerize NIPAAm with AAc and to graft hydrogel onto porous PU simultaneously.

本研究以聚胺基甲酸酯为基材，将感温性异丙基丙烯醯胺（N-isopropyl acrylamide， NIPAAm）和丙烯酸（Acrylic acid， AAc）以γ-ray照射聚合法进行聚合，并同时将水胶接枝在多孔PU上，制备出PU/水胶复材之人工敷料，应用於伤口修复。

Methods Autometallography, immuno-electron microscopy and confoeal laser scanning microscopy were used to investigate the colocalization of zinc ion, zinc transporter ZnT3 and glutarnic acid decarboxylate.

方法应用锌金属自显影技术、免疫电镜技术和共聚焦激光扫描显微术，研究游离锌离子、锌转运蛋白（zinc transporter 3，ZnT3）与（glutamic acid decarboxylate，GAD）在小鼠脊髓内的共存情况。

For pre-selection of iron compounds that ferrous sulfate, ferrous chloride, ferrous fumarate, carbonyl iron, amino acid chelated iron, iron asporotate, fenic chloride and ferric pyrophosphate were added in reconstituted skim milk to undergo in vitro digestion, respectively, and then the selected iron compounds were added in reconstituted whole milk to compare the iron bioavailability by estimating dialyzable ferrous iron, dialyzable total iron, nondialyzable and total ferrous iron, respectively.

取硫酸亚铁、反丁烯二酸亚铁、氯化亚铁、艰基铁、Iron asporotate、Amino acid chelated iron、氯化铁与焦磷酸铁等不同铁剂添加於脱脂还原乳中进行体外消化试验，并筛选生物利用性佳之铁剂分别添加於全脂还原乳中，以可透析二价铁、可透析总铁、未透析二价铁及总二价铁等作为评估之指标。

For pre-selection of iron compounds that ferrous sulfate, ferrous chloride, ferrous fumarate, carbonyl iron, amino acid chelated iron, iron asporotate, fenic chloride and ferric pyrophosphate were added in reconstituted skim milk to undergo in vitro digestion, respectively, and then the selected iron compounds were added in reconstituted whole milk to compare the iron bioavailability by estimating dialyzable ferrous iron, dialyzable total iron, nondialyzable and total ferrous iron, respectively.

取硫酸亚铁、反丁烯二酸亚铁、氯化亚铁、艰基铁、Iron asporotate、Amino acid chelated iron、氯化铁与焦磷酸铁等不同铁剂添加於脱脂还原乳中进行体外消化试验，並筛选生物利用性佳之铁剂分别添加於全脂还原乳中，以可透析二价铁、可透析总铁、未透析二价铁及总二价铁等作为评估之指標。

Fancy gold-plated dangling earrings with facetted White Opal crystals.

花式镀金悬垂耳环与facetted白欧泊水晶。

This essay chooses the study aim from biology teachers in middle school in Shi Jiazhuang which tells us that most of the middle school biology teachers in Shi Jiazhuang have the"burnout", lower successfulness, individualize.

本文选取石家庄市初中生物教师作为研究对象，运用问卷调查的方法对石家庄市初中生物教师职业倦怠的现状进行调查，调查结果发现，石家庄市初中生物教师这一群体普遍存在职业倦怠，情感枯竭程度偏高，成就感偏低，去个性化程度最为严重。