酸性

Tooth decay begins when teeth are not cleaned properly after eating.In just one hour,plaque bacteria will start converting sugar and starch particles into harmful acids that attack the tooth enamel.Within 24hours,plaque can harden to form tartar,which can only be removed by aprofessional.Help prevent tooth decay and gum disease by cleaning away plaque at the gum line each day using Glister Multi-Action Fluoride Toothpaste and rinsing with Glister Concentrated Mouthwash.

A：进食后没有适当清洁牙齿，是蛀牙的导火线短短一小时，已足够让牙垢膜细菌把糖份及淀粉质转化为有害的酸性物质，侵蚀珐琅质24小时内，牙垢膜便会硬化，形成牙石，必需由牙医清除要预防蛀牙及牙周病，建议你每天使用丽齿健氟素牙膏，清除积聚于牙龈边缘的牙垢中国化妆品代理网膜，再以丽齿健浓缩漱口水漱口

Rice seed storage glutelin could be separated into three acidic and three basic subunit components by SDS-PAGE using 15%~25% gradient acrylamide gel.

利用15%～25%丙烯酰胺梯度凝胶的SDS-PAGE分析法可将水稻种子贮藏谷蛋白分离为3个酸性亚基和3个碱性亚基。

Cephalotaxine ester of 2-oxo-6-methylheptanoic acid was treated with lithium diisopropylamide and Me O-(1-methoxyisopropyl)glycolate to give a mixture of homoisoharringtonine and its stereoisomers with 56% yield. The four stereoisomers separated by TLC showed identical mass spectra and almost superimposed IR but with different 1H NMR spectra. The configuration of the 2'-C and 3'-C of the four isomers were postulated based upon their 1H NMR spectra as compared with the 1H NMR spectra of isoharringtonine and its stereoisomers.

2-氧代-6-甲基庚酰基三尖杉碱(3)与0-(1-甲氧基异丙基)羟基乙酸甲酯(4)在强碱性试剂二异丙胺锂存在下，起亲核加成反应，反应中间体5在室温用酸性丙酮水解，得到一种新的三尖杉酯类生物碱一一高异三尖杉酯碱(6c)及其立体异构体(6a、6b、6d)的混合物，产率56%、通过制备薄层层析分得这四个立体异构体，它们的1H NMR和异三尖杉酯碱及其立体异构体的1H NMR类似，推定了它们的绝对构型。

The reduction in eosinophil infiltration was accompanied by normalization of AHR and preention of goblet cell hyperplasia, indicating reduced mucus production.

嗜酸性粒细胞的减少与气道高反应性和杯状细胞预防减少相关。

The previous record for world's smallest fish, according to the Natural History Museum, was held by a species of Indo-Pacific goby(15) one-tenth of a millimeter毫米 longer.

自然历史博物馆说之前世界上最小的鱼是印度太平洋虾虎鱼的一种，体长十分之一毫米。研究人员说这种小鱼生活在黑暗、茶色的水中，水的酸性比雨水强至少100倍。

The property of P510 resin for adsorption gold from gold-bearing chloride solution and desorption gold has been studied.

用静态法研究了P510树脂从酸性含金氯化溶液中吸附金及其解吸金的性能。

S acne-removing mode PH4 acid reinforced formula, contain natural herbal active acne removing agent, natural strawberry polyphenol, balsam pear essence, green bamboo, chlorophyll, propolis, rhubarb, olive, goldenseal, kelp, tea tree, aloe, liquorice, salicylic acid etc.

核心成份：采用S.O.S紧急救援抗痘模式的PH4酸性加强配方，萃取天然草本植物活性止痘剂，天然莓多酚、苦瓜素、青竹、叶绿素、蜂胶、大黄、橄榄、黄莲、昆布、茶树、芦荟、甘草、水杨酸、等成份。

Nicotianamine synthase gene has an important function in the Fe-deficiency response of graminaceous monocots, and it catalyzes substance to nicotianamine which plays an important carrier in the internal transport of Fe(superscript 2+) and other divalent metal ions. Nicotianamine can bind with Fe(superscript 2+) to form Fe(superscript 2+)-NA complex and protect plants from toxicity in acidic soil.

烟酰胺合成酶基因在单子叶禾本科的缺铁胁迫应答反应中起着关键作用，它的催化产物烟酰胺是铁及其他二价金属离子在体内吸收和转运的重要载体，且能与Fe(上标 2+)结合形成Fe(上标 2+)-NA复合物，从而使植物在酸性土壤中免受铁毒害。

Acid or granitic glass; usually dark, but transparent in thin pieces.

酸性或花岗石类玻璃，通常为黑色，但片状时透明。

Geological and geochemical features suggest that the bimodal volcanism took place in rift setting of continental margin, basic magma originated from not strongly depleted mantle, and rhyolite derived from the original melt formed by partial melting of granulite facies orthometamorphite in lower crust.

地质和地球化学特征指出吕梁群上部的双峰式火山岩形成于大陆边缘的裂谷环境，其中的玄武质岩浆起源于亏损程度较低的上地幔，并受到了陆壳物质的混染。酸性端元是由下地壳麻粒岩相正变质岩的部分熔融形成。

The labia have now been sutured together almost completely.The drains and the Foley catheter come out at the top.

此刻阴唇已经几乎完全的缝在一起了，排除多余淤血体液的管子和Foley导管从顶端冒出来。

To get the business done, I suggest we split the difference in price.

为了做成这笔生意，我建议我们在价格上大家各让一半。