查询词典 phosphoric

It presents the mechanism to Abstract total cyanide by using phosphoric acid-EDTA and the conditions to measure cyanide by using isonicotinic acid-pyrazolone colorimetry.

阐述了用磷酸———EDTA提取总氰化物的机理以及用异烟酸———呲唑啉酮比色法测定氰化物的条件。

The result fights allergic experiment to show, dispel the wind stops land of can different level restrains urticant Ding allergy of akin and passive skin mixes the bandicoot that antiserum causes 2, the sex of small rat late hair of chloric benzene be caused by exceeds 2 nitro- of 4- quick the thymus index that reaction; still can increase small rat when dosage greatly and lienal index; stop urticant experiment shows, dispel the wind stops urticant Ding can reduce the time of fit of small rat itching with dextrose lead anhydride and itching duration apparently, can increase Guinea pig to be able to bear or endure those who suffer phosphoric acid histamine send urticant threshold.

结果抗过敏试验显示，祛风止痒酊能不同程度地抑制抗血清诱发的大鼠同种被动皮肤过敏和2，4-二硝基氯苯所致的小鼠迟发性超敏反应；大剂量时还可增加小鼠的胸腺指数及脾指数；止痒试验显示，祛风止痒酊能明显降低右旋糖酐诱导的小鼠搔痒发作次数及搔痒持续时间，并能增加豚鼠耐受磷酸组胺的致痒阈。

So to provide method guideline and experimental basis for studying and establishment of HPLC Fingerprint photometry of Caulis Herbs like leaves of Mangifera indica L.. MethodsWaters symmetry C18 (5 μm,4.6 mm×250 mm) column was applied with 0.1% phosphoric acid as mobile phase in a gradient mode.

目的通过考察3个品种芒果叶不同组织部位甲醇提取物的高效液相色谱指纹图谱，并对其HPLC指纹图谱进行比较，为研究和测定芒果叶等叶类药材的HPLC指纹图谱提供方法指导和实验依据。

Taking zinc oxide and phosphoric acid as raw materials and silane coupling agent as modified agent,the micro-size zinc phosphate is prepared by wet-process mechanicochemical method and its modification is carried out.

以氧化锌和磷酸为原料，以硅烷偶联剂为改性剂，采用机械力化学湿法制备微细磷酸锌并进行表面改性。

Such factors as the amount of phosphoric acid and meltable additives and the agglomeration crafts including the highest temperature, the time of heat preservation at the temperature, and the velocity of temperature rising and falling were individually researched. Moreover, the relationship of them was systematically studied.

考察了磷酸用量、助熔剂用量、烧结工艺(包括烧结温度、保温时间、升温速度及降温速度)等因素对材料性能的影响，并系统地考察了这些因素的相互关联性，获得了制各本体材料的优化方案。

Store up test result makes clear, when the freeze-dry bacterium pink that adds 1% cane sugar to serve as protective agent, be in respectively rise and fall normal temperature (6~33 ℃) and constant microtherm (4 ℃) next storing up after 18 months, make with fluid of amortize of 0.05 Mol/L phosphoric acid again to hydrate agent, TW surviving rate can be amounted to respectively 70% with 90% above.

贮藏试验结果表明，当添加1%蔗糖作为保护剂的冷冻干燥菌粉，分别在起伏常温(6~33℃)和恒定低温(4℃)下贮藏18个月后，用0.05 mol/L磷酸缓冲液作再水化剂，TW存活率分别可达70%和90%以上。

Key words: sludge of wet-process phosphoric acid; comprehensive utilization; monoammonium phosphate MAP

关键词］湿法磷酸淤浆；综合利用；磷酸一铵

China now has four manufactures with an annual production capacity of 600,000 tons of phosphoric acid and seven ones with 240,000 tons. It is predicted that the demand for phosphate will be 12 million tons and chemical fertilizer 40 million tons in next year. The rapidly growing demand for high Monoammonium phosphate fertilizer will make the market much more prospective.

现在国内有60万吨/年磷酸装置四家，24万吨/年磷铵装置七家，预测2005年磷肥需求量为1200万吨，化肥需求量为4000万吨，目前进口磷铵为500万吨，而高浓度的磷铵肥料的需求量处于不断上涨趋势，市场销售会越来越旺盛。

At present, the company mainly produces: potassium dihydrogen phosphate, monoammonium phosphate, diammonium phosphate, phosphoric acid (85% industrial grade), potassium nitrate,Sodium Tripolyphosphate(Industrial-grade, Food-grade),NPK and other phosphorus products.

目前，公司主要生产：磷酸二氢钾、磷酸一铵、磷酸二铵、磷酸（85%工业级）、硝酸钾、三聚磷酸钠、各种规格的NPK复合肥等磷化工系列产品。

Key words: monoammonium phosphate; neutralized slurry concentration process; purifying phosphoric acid; the process of fertilizer integrated with salt; equipment

磷酸一铵；中和料浆浓缩法；净化磷酸；肥盐结合工艺；装备

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。