查询词典 alkali

Single factor experiment and orthogonal factor experiment were carried out to study the method of alkali extraction and acid precipitation ,which was used to extract the kiwifruit seed protein from degreased kiwifruit seed drag.

以脱脂猕猴桃籽粕为原料，采用单因素实验和正交实验，对碱提酸沉法提取脱脂猕猴桃籽粕蛋白的工艺条件进行探讨。

Deionized water machine: machine used in deionized water, acid and alkali power adjustments, and other functions.

离子水机：应用于离子水机，有酸、碱功率调整，等功能。

The nitrocellulose filter s are then placed on wet filter paper containing alkali, which denatures the DNA

再将硝酸纤维素滤膜置于含碱的湿滤纸上，碱的作用是使DNA变性。

Referring to the mixed ion-exchange equipment in Yankuang Cathay Coal Chemicals Co.,Ltd.going worse,causing the periodic output of water sudden declining,desalinating water lack,mixed bed frequent regenerating,high acid and alkali consumption etc.,the causes were analyzed and the relative countermeasure was taken.

针对兖矿国泰化工有限公司混合离子交换器运行恶化，造成混床周期制水量急剧下降，供脱盐水紧张，混床再生频繁，酸、碱耗高等问题，进行了原因分析并采取措施，使混床恢复运行正常，为企业创造了很好的经济效益。

The invention uses the fermentation liquor of one Escherichia coli generating polysialic acid as material, filters and removes thallus, adds some solvents as sodium chloride and alcohol into supernatant to deposit polysialic acid, dissolves the polysialic acid deposits via deionized water, filters to remove modified protein, uses alkali prolease to treat filtrate, complexes deposits via cetyl pyridinium chloride or cetyltrimethylammonium bromide, and dissociates, uses over alcohol to deposit polysialic acid, dissolves the deposits via ultra-pure water, grades and purifies via chromatography column, collects and dialyzes eluent, cools and dries to obtain polysialic acid.

本发明以一株产聚唾液酸大肠杆菌的发酵液为原料，经过过滤去除菌体，上清液加入适量氯化钠和乙醇等溶剂沉淀出聚唾液酸，聚唾液酸沉淀用去离子水溶解，再用过滤去除变性蛋白质，滤液经过碱性蛋白酶处理、氯代十六烷基吡啶或十六烷基三甲基溴化铵络合沉淀并解离后，再用过量乙醇沉淀出聚唾液酸，聚唾液酸沉淀用超纯水溶解，用层析柱进行分级纯化，收集洗脱液经过透析，冷冻干燥得聚唾液酸产品。

Touching acid, alkali, and greasy dirties is not allowed, mixing with inflammable, explosive substance is also forbidden.

不能接触酸、碱、油污，不得与易燃易爆和引爆物混合存放。

Tourmaline electrolyzes water activated produces hydrogen anion and mineral , named as " miracle water " Keep long drinking a cup of water which is boiled by ANSANI Purified water with tourmaline ceramic in the morning and evening , this can balance the acid and alkali of human body and last life span .

富镁电气石使水产生电解，产生活性氢负离子和矿物质成为奇迹之水，用安沙尼净化水加入富镁电气石制作的蜂窝式管状陶瓷加以煮沸，长期坚持早晚各饮用一大杯，能长期维持体内酸碱平衡，达到延年益寿之目的。

When water is added in increasingamounts to the normal soil,there is no increase in pH values of the suc-cessive filtrates and the pH of the distilled water is easily obtained,whilstthe pH value of the alkali soils falls very gradually to a ...

水土比例增大时，普通土壤各次滤液的pH 值并不增大，且易于达到蒸馏水的pH 值，反之，碱土的pH 值很慢的降低至pH 7.5。

Bran lectin was able to agglutinate chicken erythrocyte,and promote hemagglutinating activity of NDV with resistance to heat,acid and alkali.Either pre-mixed bran lectin with NDV or with Vero cells for 1 hour before cell cultivation assay was able to inhibit cytopathic effect of NDV significantly.

结果显示，米糠凝集素能凝集鸡红细胞，促进新城疫病毒对红细胞的凝集，对热有一定的稳定性，耐酸碱；在体外，用米糠凝集素与新城疫病毒作用或用米糠凝集素预处理Vero细胞，均能抑制新城疫病毒在细胞上病变的形成。

The leather waste contains protein of more than 70%, which is more difficult to be hydrolyzed by alkali.

成品铬革屑中蛋白质含量在 70 %以上，处理成小颗粒后与水、Ca 2 按 1∶4 0∶0。

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