该词条未找到_海词词典

您要查找的是不是：

Keywords new reagent;auriferous high-sulfur copper ore;flotation;grade;recovery rate;gold;copper; 新药剂;含金高硫铜矿石;浮选;品位;回收率;金;铜;
An experimental research on auriferous high-sulfur copper ore flotation with a new reagent was carried out. 采用新药剂对某含金高硫铜矿石进行了系统浮选试验研究。
Keywords new triazene reagent;copper;surfactant; 新三氮烯试剂;铜;表面活性剂;
A new reagent, dibromomethyl carboxyazo was synthesized and its colour reaction with barium was studied. 研究了钡的新显色剂二溴对甲偶氮羧的合成及其与钡显色反应的条件。
Keywords Flotation;New reagent;Frother; 浮选;新药剂;起泡剂;
They experimented with new reagents and succeeded. "他们用新试剂做了试验,获得了成功。"
A new reagent, trimethylammonium chlorochromate adsorbed on alumina , was described as a convenient reagent for the oxidation of alcohols and benzoins . 本文报道了氯铬酸三甲铵/氧化铝的制备方法及其对醇和苯偶姻类化合物的氧化反应。
Keywords New triazene reagent;mercury determination;surfactant; 新三氮烯试剂;汞;表面活性剂;
A method for the synthesis of new reagent 2,3,7 trihydroxy 9 (2,4 dihydroxy) phenylfluorone (DHPF) was introduced with hydroquinone and 2,4 dihydroxybenzaldehyde as basic material. 以对苯二酚、2,4-二羟基苯甲醛为基本原料,报道了新显色剂2,3,7-三羟基-9-(2,4-二羟基)苯基荧光酮(DHPF)的合成方法。
A new reagent for the determination of acidic phosphatase was synthesized, its structure was characterized by elemental analysis, IR, spectrum and TGDTA. The mechanism of formation was discussed. 合成了一种测定酶的新试剂荧光素单磷酸酯镁，通过元素分析、红外、热谱确证了其结构，并探讨了其生成机理。
Keywords uranium;DCB-arsenazo;colour reaction;absorption spectrum;new reagent; 铀;DCB-偶氮胂;显色反应;吸收光谱;新试剂;
Keywords new mineral;malanite;chromite ore; 新矿物;马兰矿;铬矿石;
Keywords new phase;peritectoid;Y23Co27; 新相;包板反应;
Keywords New catalyst;Triacetonamine;Synthesis; 新型催化剂;三丙酮胺;合成;
Keywords new nurse;stressor;training need; 新护士;压力源;培训需求;
In this paper,the development of using bi azo chromotropic acids as chromogenic reagents in RE determination was reviewed,especially the new reagents introduced after 1990. 介绍1990年以来变色酸双偶氮显色剂在稀土分析中应用的进展，着重介绍了新出现的显色剂。
Keywords new seal;magnetic ferrofluid seal;pump; 新型密封;磁流体密封;泵;
Keywords new type gel;goaf;fire-prevention; 关键词新型凝胶;采空区;防灭火;
Keywords New fluorescent reagent CGE （N）;Glycine derivatisation reaction;Fluorescent TCL scanning; 荧光剂CGE（N）;衍生化反应;甘氨酸;薄层荧光描扫;
Keywords new sicon eliminating foam reagent;penicillin;the productivity of fermentation;the effect of eliminating foam reagent;cost; 新型硅类消沫剂;青霉素;发酵单位;消沫效果;成本;