查询词典 benzoate

The mechanism of thermal decomposition for alkaline earth metal benzoate s was studied by using TG,DTA,IR and gas chromatography_mass spectrometer.

用DTA和TG研究了碱土金属苯甲酸盐在氮气气氛中的热分解过程，并用红外光谱、色-质联用表征了热分解产物。

Cellulose benzoate,the degree of substitution of which was calculated from the content of C determined by element analysis,was prepared from microcrystalline celluloseand benzoyl chloride under heterogeneous condition and characterized by FT-IR and~1H-NMR.

研究了微晶纤维素和苯甲酰氯在多相条件下合成制备纤维素苯甲酸酯的反应，通过元素分析所得碳的质量百分含量计算了产物的取代度，并系统研究了吡啶与N，N-二甲基乙酰胺或与三乙胺混合反应溶剂、苯甲酰氯与纤维素羟基的摩尔比r、反应温度和反应时间对D S的影响，用FT-IR和1H-NM R对产物进行了表征。

The effect of reaction temperature,reaction time,materials ratio on the synthesis of piperidine alcohol benzoate ,hindered amine light stabilizer,from piperidine alcohol and benzoyl chloride by direct condensation were studied,and the proper technological conditions were given as follows:the reaction temperature is 95℃;reaction time is 4 h; the mole ratio of reactants,n∶n is 1∶1.4,the amounts of solvent is 40 mL(based 0.1mol piperidine alcohol),the arerage yield ...

王树清，高崇，苯甲酸哌啶醇酯HALS的合成工艺研究研究了以苯甲酰氯和哌啶醇为原料直接缩合合成苯甲酸哌啶醇酯受阻胺光稳定剂时反应温度、反应时间、原料配比等条件对合成反应的影响，确定了最佳工艺条件。最适宜的工艺条件是：反应温度95℃、反应时间6h、原料摩尔比n∶n为1∶1.4，溶剂用量为70mL(相对于0.1mol哌啶醇)，苯甲酸哌啶醇酯的收率为91.05%，产品纯度98.5%。

This shows that spraying vegetables at the early instar larval stage with Abamectin+Indoxacarb 4.75 % WP(1: 1 000～1 500) and Emamectin benzoate 0.2 % EC(1: 1 000) can effectively control the diamondback moth.

研究认为，在低龄幼虫时使用4.75 %阿维·茚虫威WP 1 000～1 500倍或0.2 %高渗甲氨基阿维菌素苯甲酸盐EC 1 000倍防治小菜蛾，可以有效控制小菜蛾的发生危害。

Other ingredients: Purified water, glycerine, natural orange flavor, natural vanilla flavor, citric acid, xanthan gum, carageenan gum, and sodium benzoate.

每次使用前摇匀，成人每日1-2汤匙，1汤匙=15ml，一天1汤匙可以吃32天，2汤匙可以吃16天

Purified water, glycerine, fructose, polysorbate 80, xanthan gum, citric acid, natural raspberry flavor, potassium sorbate and sodium benzoate .

纯水，甘油，果糖，聚山梨醇酯，黄原胶，柠檬酸，山梨酸钾，苯甲酸钠。

Potassium钾 50 mg 1.43% Other ingredients: Purified water, glycerine, natural orange flavor, natural vanilla flavor, citric acid, xanthan gum, carageenan gum, and sodium benzoate.

每次使用前摇匀，成人每日1-2汤匙，1汤匙=15ml，一天1汤匙可以吃32天，2汤匙可以吃16天

Other ingredients: Purified water, glycerine, natural orange flavor, natural vanilla flavor, citric acid, xanthan gum, carageenan gum, and sodium benzoate.

每次使用前摇匀，******每日1-2汤匙，1汤匙=15ml，一天1汤匙可以吃32天，2汤匙可以吃16天

The effect of p-chloromercuri benzoate on sucrase is anticompetitive inhibition, and its Kj is 0.75mmol/L.

二巯基苏糖醇修饰，NR／R单向SDS-PAGE、NR／R双向对角线SDS-PAGE的结果均表明蔗糖酶分子内没有二硫键存在。

It contained sunset yellow, carmiosine, quinoline yellow and allura red, plus sodium benzoate.

其中含有的成分包括日落黄、胭脂虫红、诱惑红和苯甲酸钠。

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