查询词典 Potassium

The invention discloses a preparing method of bacillus alcaligenes strain Alcaligenes sp., CCTCC No.M206121 of degraded o-nitrophenol, which comprises the following steps: allocating inorganic salt culture medium with dibasic sodium phosphate, monobasic potassium phosphate, manganese sulfate, copperas, addex-magnesium, calcii chloridum, blue copperas, white copperas and hydrogen dioxide solution; adjusting pH value; sterilizing under high temperature; enriching bacterial; sampling from sludge; allocating suspending liquid with soil sample and inorganic salt; seeding into ortho-nitrophenol fresh organic salt culture medium with finite volume seeding quantity; keeping the temperature; culturing on shaker; getting enriched culture; separating and purifying enriched culture in LB solid culture medium.

本发明公开了一种降解邻硝基酚的产碱杆菌菌株及制备方法，产碱杆菌为Alcaligenes sp。，CCTCC No.M206121。其制备步骤是：首先是配制无机盐培养基，成分为磷酸氢二钠、磷酸二氢钾、硫酸锰、硫酸亚铁、硫酸镁、氯化钙、硫酸铜、硫酸锌和双蒸水，调pH值高压灭菌；其次是菌种的富集，从污泥中取样，将土样与无机盐培养基配制成悬浮液，将悬浮液以一定体积接种量接种到含邻硝基酚的新鲜无机盐培养基中，恒温，摇床培养，获富集培养物；第三是将富集培养物在LB固体培养基中分离和纯化。

Using potassium persulfateas initiator and N, N′-methylenebisacrylamideas crosslinker, the graft copolymerization of acrylic acidonto modified cornhusk fiber was carried out.

将玉米秸秆进行提纯改性，采用过硫酸钾为引发剂、N，N-亚甲基双丙烯酰胺为交联剂，使其与丙烯酸接枝共聚合成农用高吸水树脂，通过试验对比最终确定最佳条件为改性玉米秸秆与丙烯酸的质量比为1∶6、丙烯酸中和度为70%、反应时间为4h、烘干温度为60°C；对最佳条件下制备的树脂进行了吸水倍率的测试；对秸秆预处理前后及接枝产物进行了红外谱图分析。

The method was based on the inhibition effect of iodine on the nitrite catalyzed oxidation of cresol red by potassium bromate catalyzed by nitrite in dolute sulfuric acid medium.

研究了在稀硫酸介质中，痕量碘离子对亚硝酸根催化溴酸钾氧化甲酚红的阻抑作用，建立了测定痕量碘离子的阻抑动力学光度分析的新方法。

Cruller: Potassium alum which found in Cruller is a type of non-organic aluminum substance, may not be eaten frequently.

8油条：油条中的明矾，是含铝的无机物，不可经常食用。

Cruller: In the cruller potassium alum, is contains the aluminum the

油条：油条中的明矾，是含铝的无机物，不可经常食用。

Calcium chloride is added to improve the curdling process, and potassium nitrate is added to inhibit contaminating bacteria.

氯化钙新增，改善乳凝过程，硝酸钾加入抑制细菌的污染。

Palladium, promethium, potassium, polonium,Tantalum, technetium, titanium, tellurium,And cadmium and calcium and chromium and curium.

最为可怕的是，仍然还生活在现代之前的那些野蛮人，又接受了一堆自己无法消化的后现代思想，硬要把科学和人文割裂开来，还自诩为高举人文大旗反对科学主义的斗士，试图成为阻碍社会发展的螳螂。

The result showed that photosynthetic rate in leaves of small cushaw increased and transpiration rate decreased as applying potassium fertilizer.

结果表明：施用钾肥能够提高小南瓜叶片的光合速率，在一定程度上可以降低小南瓜叶片的蒸腾速率。

Under the microwave radiation, makes the catalyst with the potassium iodide,The sodium hydroxide makes the neutralization agent, synthesized the phenmethyl -2- naphthyl ether, take 2- naphthol and the chlorination animal pen as the raw material, Uses the single factor cut-and-try method, To a reactant mole of ratio, the catalyst and the solvent amount used, the microwave power, the radiation time and so on have conducted the research to the product receiving rate influence.

在微波辐射下，以2-萘酚和氯化苄为原料，用氢氧化钠作碱剂，碘化钾作催化剂，水-DMF为溶剂合成了苄基-2-萘基醚；采用单因素实验法，对反应物的摩尔比、催化剂及溶剂用量、微波功率、辐射时间等因素的影响进行了研究。

Air blasting cyanidation technique was developed to prepare high purity potassium silver cyanide using raw silver or gold as a starting material.

采取金粉或银粉过量投料和控制浓缩水量，可以使反应后废液中的游离氰含量大大降低，有利于环境保护。

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