Phosphorus acid is added, so as to make it phosphonated. The new oligomer has high density branched chain of phosphonic acid functional groups. This product has undergone tests such ass…
所制成的新型齐聚物具有高密度支链膦酸基官能团，该产品经过阻垢、预膜、缓蚀测定后，认为可作为水处理的阻垢缓蚀剂。
UHMWPE has a fine corrosion resistance to inoxidable acid (dilute sulfuric acid, nitric acid and large concentration hydrochloric acid, phosphorus acid, hydrofluoric acid, and salty solutions.
UHMWPE对非氧化性酸（烯硫酸、硝酸及浓度较大的盐酸、磷酸、氢氟酸、甲酸、乙酸）、氨和胺及各种碱、盐溶液都有两好的耐蚀性、两种材料都不耐强氧化性酸的腐蚀。
Acid dissolution and metal ion complexing reactions of the organic acids accounted for their stimulation of soil phosphorus release.
有机酸影响土壤磷的释放是酸溶解作用和与金属离子络合反应共同作用的结果。
Acid electroless nickel phosphorus plating on PZT ceramic was studied with hypophosphite as a reducing agent.
以次亚磷酸钠为还原剂，在压电陶瓷表面进行酸性化学镀镍磷。
When determining TP of water using Phosphorus Molybdenum Blue Method, ascorbic acid solution was unstable, can only be kept for several weeks.
磷钼蓝法测定水中总磷，所用的抗坏血酸溶液很不稳定，只能保存数周。
The result correspond with that by the phosphorus molybdic acid quinoline weight method.
该方法的测定结果与磷钼酸喹啉重量法测定结果基本一致。
Methods The samples of phytic acid were determined with thorium nitrate titration, ferric spectrophotometry, phosphorus spectrophotometry and high performance liquid chromatography respectively.
方法用硝酸钍滴定法、测铁分光光度法、测磷分光光度法及高压液相色谱法对不同样品植酸含量进行测定。
Genotypic differences of phosphorus(P) efficiency among 194 Brassica napus L. cultivars were investigated under pot culture in acid soil with a method of two step screening typical cultivars.
采用两步筛选法（即苗期干物质筛选和全生育期产量筛选）在酸性黄棕壤上对194个甘蓝型油菜品种进行了磷效率的筛选。
Mineral phosphate precipitation is often recognized to limit the availability of phosphorus in acid soils of tropical and subtropical forests.
热带和亚热带酸性土壤磷矿物的沉淀通常被认为会限制土壤有效磷的供应。
TLC spray reagents of phosphorus molybdenum acid and bismuth potassium iodide indicated that it maybe contained the composition of alkaloids.
经磷钼酸和碘化铋钾薄层显色表明抗生素粗品中有含氮化合物。
Polyepoxysuccinic acid (PESA) is a new kind of scale and corrosion inhibitor which does not contain phosphorus.
聚环氧琥珀酸(PESA)是一种新型的无磷有机阻垢缓蚀剂。
The phosphorus gypsum is emitted by the factory of phosphoric acid, which can not congeal to the gel, and can pollute the environment.
磷石膏是磷酸厂排放的工业废渣，不具备胶凝能力，且污染环境。
As the phosphorus resource of compound fertilizer, the free acid in TSP must be neutralized.
由于重钙的特性，用作生产复混肥的磷源，必须中和其游离酸。
Using senecioic acid and definite alcohol such as methanol or other alcohols as raw materials in the presence of phosphorus oxychloride as catalyst, corresponding ester can be synthesized by one step.
以异戊烯酸和甲醇等醇类为原料，在三氯氧磷催化下一步合成相应的酯类。
Is a long-acting fertilizer for acid soils or neutral soil, the supply of plant phosphorus, magnesium and silicon, calcium element.
是一种长效磷肥，适用于酸性土壤或中性土壤，供给植物磷、镁和硅、钙等元素。
Phosphorus containing ny1on-66 was prepared by the interphase condensation between adipic acid, hexamethylenediamine and dichloropentate.
用己二胺、 己二酸及双功能团的氯化螺环磷酸酯经界面缩合制得含磷尼龙66。
The optimum synthesizing conditions were defined, and chemical structures were confirmed by IR. The properties of flame retardant such as acid value, solid content and phosphorus content were tested.
研究了该阻燃剂的合成条件，用红外分析确认了其结构，测试了阻燃剂的酸值、含固量和磷含量等性能指标。
The effects of citric acid on the release and absorption of phosphorus in soil experiment were studied by isothermal adsorption.
本文研究了柠檬酸对土壤磷释放和吸附的影响。
A new method has been studied for the determination of trace phosphorus in iron, nickel and copper by floatation-extraction spectrophotometry with molybdate and malachite green in acid solution.
研究了在酸性介质中，钼酸盐孔雀绿浮选分光光度法测定铁、镍、铜中痕量磷。
Carbon, manganese and silicon can be removed easily by any of the processes, acid or basic. The removal of phosphorus and sulphur requires special conditions that only basic processes can meet.
不管用酸性法还是碱性法，碳，锰及硅容易除去。除去磷和硫则需要特殊条件，这些条件只有碱性法才能满足。
It is abundant in vitamins, apple acid, sugar, calcium, phosphorus, and iron, etc.
它富含维生素、苹果酸、果胶、纤维素、钙、磷、铁等多种物质。
Organic acids have a great effect on phosphorus mobilization with humic acid stronger than simple organic acids.
有机酸对土壤磷的固定有较大影响，其影响作用从大到小依次为腐殖酸、柠檬酸、酒石酸。
The contents of total amino acids, total phosphatide and sulphonic acid increased, but calcium and phosphorus decreased gradually from lower to upper part of the velvet.
氨基酸总量及总磷脂、牛磺酸含量从鹿茸基部到顶部逐渐增加，钙、磷含量从基部到顶部逐渐减少。
The current states of chromium acid salt chemical transform film, phosphorus-chromium transform treatment and in-chromium transform treatment are reviewed.
从铬酸盐化学转化膜、磷铬化法和无铬化学转化法等方面对化学转化膜的现状进行了综述。
After analyzed waste heat recovery potential foundation on the sulfuric acid production and the yellow phosphorus exhaust, point out to make use of the mode leading to descend industrialization path.
在分析硫酸生产和黄磷尾气余热利用潜力基础上，指出在余热利用模式引导下的工业化途径。
A persulphate oxidation method in acid medium for decomposition and analysis of dissolved total phosphorus in seawater was proposed.
依此，建立酸性过硫酸盐氧化法分解测定海水中溶解态总磷的方法。
The method was used to determine the content of di-phosphorus pentoxide in phosphoric acid and the result was satisfactory.
本方法用于测定磷酸中五氧化二磷的含量，获得满意结果。
Phosphorus deficiency results in cluster root formation and increased organic acid exudation.
缺磷条件下白羽扇豆能够形成排根，并增加有机酸分泌。
Phosphorus-gypsum is a by-product of phosphoric acid and some Compound Washing product industry . Powdered coal ash is a kind of powder which collected from waste gases of coal ash boiler .
磷石膏是磷酸工业和某些合成洗涤产品工业的副产品，粉煤灰是在煤灰锅炉废气中收集下来的粉末。
Phosphorus-gypsum is a by-product of phosphoric acid and some Compound Washing product industry . Powdered coal ash is a kind of powder which collected from waste gases of coal ash boiler .
磷石膏是磷酸工业和某些合成洗涤产品工业的副产品，粉煤灰是在煤灰锅炉废气中收集下来的粉末。
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