弱碱性

The nickelous chloride both may use in to galvanize, and is prepares the galvanization chemical thionamic acid nickel the important raw material, lead is affects the electronickelling quality a important attribute, in the present industry 331 ion exchange resin deleading effect still could not arrive in the electronickelling the lead content standard, used pocket weak basicity resin XSC312 after the screening experiment determination to take from the nickelous chloride solution intermediate ion exchange except the micro lead resin, inspected the material fluid pH value, the contact duration in the ionic exchange column to the ionic exchange adsorption lead influence, has determined the resin adsorption capacity and inspected the resin analysis performance.

氯化镍既可用于电镀，又是制备电镀化学品氨基磺酸镍的重要原料，其中的铅是影响电镀镍质量的一个重要因素，现行工业中的331离子交换树脂除铅效果尚不能到电镀镍中铅含量标准，经过筛选试验确定采用大孔弱碱性树脂XSC312作为从氯化镍溶液中离子交换除微量铅树脂，在离子交换柱中考察了料液pH值、接触时间对离子交换吸附铅的影响，测出了树脂的吸附容量并考察了树脂的解析性能。

Though studying the rate of permeable salt of two-pass reverse osmosis system,the effects of feed water pH value, permeant flux ,feed water conductivity on the permeable salt rate of the system are analyzed and the change regular of permeable salt rate along with the three factors is summarized.

以二级反渗透系统的透盐率为研究对象，分析了给水pH值、产水通量、给水电导率对系统透盐率的影响，总结了透盐率随三个因素的变化规律，比较得出了其中给水pH值对透盐率的影响最大的结论，且给水pH值为弱碱性条件下的透盐率最低

The gelatin-siloxane nano-particles are prepared from gelatin and 3-(2,3-epoxy propoxy )propyltrimethoxysilicane by performing chemical combination and hydrolytic reaction in acidic condition to obtain sol; and adjusting the pH value to slightly alkaline for performing polymerization reaction of silicane.

将明胶和3-(2，3-环氧丙氧)丙基三甲氧基硅烷在酸性条件进行化合、水解反应；将该溶胶的pH值调节至弱碱性，使硅烷发生聚合反应，即可得明胶-硅氧烷纳米颗粒。

The autoclaved sol was synthesized by using titanyl sulfate (TiOSO4), ammonia as raw materials and peroxide (H2O2) as complexing agent, the AS sol was neutral or alkalescent .

以无机盐TiOSO4、氨水、H2O2为原料制备了含有针状锐钛矿晶粒的AS（autoclaved sol简写为AS）溶胶，AS溶胶呈中性或弱碱性。

Weaky basic anion-exchange resin was used to isolate and purify fucoidan from kelp Laminaria japonica, and phenol-H2SO4 method was applied to determine total carbohydrates and the optimal processing condition.

对弱碱性阴离子交换树脂分离纯化海带岩藻聚糖硫酸酯的工艺条件进行了研究，并采用苯酚－硫酸法测定总糖浓度绘制解吸曲线，确定最佳样液的pH值和洗脱流速。

The effects of every main factors on extraction ratio are discussed, and the optimum conditions of extraction effective components from zizyphus jujuba are determined with the orthogonal test. Optimum conditions are obtained by using a new method of H2O2-decoloring in alkalescent condition, and effects of correlation factors on decoloring ratio are discussed. The yield ratio of polysaccharide is above 5.26% under these optimum conditions.

首先研究了不同提取过程中各因素对多糖提取率的影响，结合正交实验确定了微波最佳提取工艺条件；然后采用双氧水弱碱性条件下脱色新工艺，并对脱色各影响因素对多糖脱色率的影响进行了讨论，最终得出最优脱色条件，使多糖得率达到5.26％以上。

Attacked by both acids and strong alkalis, so they require cleaning products that are only mildly alkaline

另一方面，酸和强碱都会剧烈腐蚀轻金属因此这类物品的清洁产品只能是弱碱性的，且绝不能用酸。

Desalting and bleaching with anion and cation exchange resin in series once, 93% salt was desalinized and the recovery of D-tagatose was 87%.

经强酸性阳离子和弱碱性阴离子交换树脂一次串联脱盐脱色，脱盐率达93%，D-塔格糖回收率为87%。

Atomic spectrum of ''.'alkaline'.'' metal

碱化的变成碱的；弱碱性的

The company is a company engaged in water and weak alkaline water filter design, installation, sales and after-sales service business.

该公司是一家从事水过滤及弱碱性水的设计、安装、销售及售后服务的企业。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷