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1.It is found that high-purity TiC-C compound powders can be prepared under vacuum condition whose size is <0.5μm with uniform distribution.
研究结果表明,在真空条件下可合成出纯度较高的TiC-C复合粉体,其粒径小于0.5μm。收藏指正
2.By nitration of the compound (1) with nitric acid in acetic anhydride, 2,4,7,9-tetranitro-2,4,7,9-tetrazabicyclononanone (2) was given, the yield of compound (2) increased to 65.9 % with the optimization of technical condition.
化合物 ( 1 )在硝酸 -乙酐体系中硝化 ,制得 2 ,4 ,7,9-四硝基 - 2 ,4 ,7,9-四氮杂双环 [4,3,0 ]壬酮 ( 2 ) ,通过优化反应工艺条件 ,反应得率增加到 6 5.9%。收藏指正
3.Optimization of HPLC Condition for Determination of Compound Amino Acids Injection Derived with DNFB
2,4-二硝基氟苯柱前衍生化法测定复方氨基酸注射液HPLC色谱条件的优化收藏指正
4.The maximum absorptive spectrum of the complex compound of amylose with iodine is 630~670nm under acidic condition, but the value for amylopectin under the same conditions is 530~590nm.
在酸性条件下,直链淀扮与碘反应,其络合物在630~670nm范围内有最大吸收峰,而支链淀粉与碘的络合物在530~590nm范围内有最大吸收峰。 吸收峰波长差为△入=40~140nm。收藏指正
5.The requirements of Lateclabrux japonicus diet for vitamins in the compound at various growth stages was studied. Under this experiment condition,requirements of bass 28.4~30.2 g and150.1~156.6 g for vitamins in the compound diet are as follows:VA 4000~7000IU and VE 150 mg and 200 mg, VB125 mg,VB6 20 g and 40 mg,VC 1000 mg 1000~1500 mg,Biotin 1~3 mg and 1mg,Inosito500 mg,Choline chloride 1000~2000mg 2000 mg.
对不同生长阶段鲈鱼对维生素需求进行了研究,单因子试验结果表明:平均体重28.4~30.2g的一龄幼鱼与平均体重150.1~156.6g的二龄幼鱼对维生素的需求分别如下:VA4000~7000IU和4000IU,VE150mg和200mg,VB125mg,VB620mg和40mg,VC1000mg和1000~1500mg,生物素1~3mg和1mg,肌醇500mg,氯化胆碱1000~2000mg和2000mg.收藏指正
6.The recovery and content analysis of the inclusion compound were used as evaluating criteria. The experimental data showed that the best condition for inclusion was A1B2C3D2 That is,the inclusion compound should be formed in aqueous solution containing DFS and β-CD with molecular ratio of 1:1 for 5 hour at 80℃ and at a stirring rate of medium strength.
以包合物的收率、含量作为考察指标,筛选出最佳包合条件为A1B3C3D2,即β-环糊精与双氯苯酸钠的摩尔比为1:1,包合温度为80℃,包合时间为5h,搅拌强度为中等。收藏指正
7.From the entropy criterion of isolated system, the balance equilibrium condition of multi-compound poly-phase system C(subscript V)>0, (The equation is abbreviated), (The equation is abbreviated) is intensively deduced, and the physical significance of the balance equilibrium condition is given and proved.
摘要从熵判据出发,对多元复相系的稳定平衡条件进行了详细的推证,给出了多元复相系的稳定平衡条件:C(下标V)>0,(方程式略),(方程式略),并对稳定平衡条件的物理意义作了说明。收藏指正
8.The semi-preparative high performance liquid chromatographic condition of the title compound, a new water soluble prophrin [T(4-MOP)PS4], has been established.
本文研究了新水溶性5,10,15,20-四(4-甲氧基-3-磺酸苯基)卟啉[T(4-MOP)PS4]的反相高效液相色谱(HPLC)分离条件收藏指正
9.First, the basic principles of compound achromatic wave-plate is described, author has developed a systematic optimum design method for achromatic wave-plate, which is based on assumption of ideal condition in which there are no temperature shifting, no dimensional tolerance, and no optical loss.
首先,深入讨论了三种此类消色差复合波片的基本结构及其工作原理,提出了基于理想情况下以期望输出为设计起点的双折射型消差复合波片的设计思路。收藏指正
10.Under acid condition open chaining crown ether diaromatic aldehyde can react, and they will synthesize a compound of chaining crown ether diaromatic aldehyde thiosemi-carbazone kind.
摘要链状冠醚二芳醛在酸性条件下与氨基硫脲反应,合成了链状冠醚二芳醛缩氨硫脲类化合物。收藏指正
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