酸性

Compared to the silk, moisture regains, level dyeing and thermal behavior of raw silk grafted by MA was better. The K/S value increased a little, the fastnesses decreased a little. But the level dyeing of raw silk grafted by EMA declined severely. Compared to the grafted degummed silk, the moisture regains and level dyeing improved a little.

MA生丝增重丝相对于熟丝吸湿性提高、酸性染料染色的K/S值略有上升、匀染性提高、各种染色牢度变化不明显、热稳定性有所提高；而EMA生丝增重丝吸湿性下降、酸性染料染色的K/S略有上升、匀染性变差、各种染色牢度略有下降、热稳定性有所提升。

At the same time, the fouling mechanism of membranes given in this thesis can give a reasonable explanation on the change of membrane performance. Our results show that the magnetization of membranes can effectively improve the anti-fouling ability of the PAN- Fe_3O_4 membrane. The obtained result may give insight to the development of new membranes with a good anti-fouling performance in the filtration of blood solution. No chemical bond was found between PAN and Fe_3O_4 in the membrane at room temperature. The addition of Fe_3O_4 can improve the temperatures of dehydrogenated reaction and decomposition of PAN but dot change the glassy transition temperature. The resistance against acid is stronger than the resistance to base for a PAN- Fe_3O_4 membrane.

结果表明在PAN- Fe_3O_4超滤膜制备过程中使用外加磁场作用能有效提高膜的耐污染能力，这一结果为开发适用于血液处理的耐污染超滤膜提供了一种新途径；在PAN- Fe_3O_4超滤膜中，四氧化三铁与PAN在室温下没有形成化学键，也不存在官能团之间的相互作用；添加Fe_3O_4对膜的玻璃化温度没有影响，但能提高PAN环化脱氢反应的温度和分解温度；PAN- Fe_3O_4超滤膜的耐酸性强于耐碱性，在pH值为10以上的溶液中由于水解作用而溶解，使得膜失去使用价值，膜的耐酸性与酸的种类、浓度和氧化性有关。

It is found that compared with the untreated glass fiber reinforced unsaturated polyester, the fluoridized FRP"s property of anti-water and anti infirm-acid has enhanced, while theproperty of anti- strong acid, anti-strong alkali and anti-organic solvent hasn"t changed much.The property of anti-acid and anti-alkali of the glass fiber reinforced epoxy resin fluoridizedby 3-(1H, 1H, 5H-Octafluoropentyloxy)-1, 2-Propenoxide has a corresponding increase, but theproperty of anti-organic solvent hasnt changed much.

研究发现，经G-02、G-04处理后的聚酯玻璃钢的与未处理的聚酯玻璃钢相比，其耐水性增强，耐弱酸性也有所增强，但耐强酸性、耐碱性、耐有机溶剂的腐蚀性变化不大；而经环氧丙基八氟戊醚处理后的环氧玻璃钢其耐酸耐碱性都有相应的增强，但是其耐有机溶剂的腐蚀性无太大变化。

The conversion of alcohols to alkyl halides was investigated using acidic ionic liquid X as halogenating agent, acidic catalyst as well as medium.

2以酸性离子液体X兼作卤代试剂、反应介质和酸性催化剂，研究了醇转化为卤代烃的反应。

The culture was treated with lutein of different concentrations 10^(-8mol/L、10^(-7)mol/L、10^(-6)mol/L, respectively. The culture cells were fixed and were stained for tartate-resistant acidic phosphatase after 7d. The formation of osteoclasts was quantified by counting the number of TRAP(superscript +) multinuclear cells. The percentage of bone resorbed surface, TRAP activity and the expression of receptor activator of NF-KB mRNA were analysed. The appearance of reduced mice osteoclasts was typical.

受试细胞分为对照组、叶黄素低剂量组10^(-8mol/L、叶黄素中剂量组10^(-7mol/L和叶黄素高剂量组10^(-6mol/L，并设立空白对照组。7 d后取细胞玻片进行抗酒石酸酸性磷酸酶染色，观察破骨细胞并计数；取骨片进行甲苯胺蓝染色，光镜下统计骨吸收陷窝面积；测量抗酒石酸酸性磷酸酶活性以及破骨细胞表面NF-κB活化受体mRNA表达量。

In this paper,based on the principle of LDH synthesizing in-situ,with spectrophotometry and XRD analyses of solid,removal efficiency and mechanism of acid orange from dye aqueous solution were studied.

本文研究即时合成层状双氢氧化物处理酸性金黄溶液的效果以及影响因素，并利用XRD分析研究了酸性金黄染料在LDH结构中的嵌入方式和反应机理。

The color removal of azo dye Acid Orange Ⅱ using potassium permanganate was studied. The effect of Acid Orange Ⅱ and potassium permanganate concentration, initial pH conditions, and reaction time were investigated.

本文研究了高锰酸钾对偶氮染料酸性橙Ⅱ的脱色效果，考察了酸性橙Ⅱ初始浓度、高锰酸钾投加量、初始pH条件、反应时间的影响。

By the study of the influence of urea concentration,reaction time and temperature on the dyeing results and washing fastness,the improved conditions were found as(1) for weak acid red: 90 ℃ dyeing for 60 min with urea 225 g/L;(2) for strong acid yellow: dyeing 50 min at 80 ℃ with urea 250 g/L and NaHSO3 8 g/L.

以尿素为基础对羊毛低温染色工艺进行了初步探讨，研究了尿素浓度、反应温度和反应时间对羊毛染色效果及耐洗牢度的影响，找出了较佳的低温染色条件：①弱酸性红，尿素225 g/L，90℃，60 min；②强酸性黄，NaHSO3 8 g/L，尿素250 g/L，80℃，50 min。

The increase of glucose concentration is beneficial for anaerobic degradation of Acid Mordant Dark Yellow GG,the anaerobic removal efficiencies were 81.5% and 93.5% with reaction for 12 or 60 hours at 40 mg/L of dye respectively.

葡萄糖浓度的升高对提高酸性媒介黄GG厌氧生物降解率有利，当葡萄糖浓度为2000 mg/L时，40mg/L酸性媒介黄GG的12和60 h厌氧生物降解率分别达到81.5%和93.5%。

The atmosphere and other natural acid-forming gases dissolve in the water.

参考译文：即使在未受污染的空气里面，雨还是轻微偏酸性的，因为空气中的二氧化碳和其他天然的酸性气体溶解在了水里。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。