苯甲酸钠

  • 网络Sodium benzoate
苯甲酸钠苯甲酸钠
  1. 苯甲酸钠对PET结晶成核的影响

    Effect of sodium benzoate upon the nucleation of poly ( ethylene terephthalate ) crystallization

  2. 使腐剂柠檬酸,目低PH值山梨酸钾,便霉。种苯甲酸钠,种杀菌剂。

    Citric Acid to reduce the PH level , Potassium Sorbate to stop mould and Sodium Benzoate as an antimicrobial agent .

  3. 头孢泊肟酯口服干混悬剂中苯甲酸钠的HPLC测定

    Determination of Sodium Benzoate in Cefpodoxime Proxetil for Oral Suspension by HPLC

  4. 目的:应用双波长比值光谱法测定安钠咖注射液中咖啡因(C)和苯甲酸钠(B)含量。

    OBJECTIVE : Dual wavelength ratio spectrometry was used for the determination of caffeine ( C ) and sodium benzoate ( B ) in the injection .

  5. 将酱油中苯甲酸钠含量的测定设计为GC-MS联用教学实验的探讨

    Development of sodium benzoate detection in sauce by GC-MS as a teaching experiment

  6. 苯甲酸钠为内标。试样用磷酸分解,Tm被选作内标元素。

    The sample is decomposed with H_3PO_4 , Tm is used as an internal standard element .

  7. 结果表明:苯甲酸钠、苯甲酸铵、肉桂酸对DI材的阳极过程有明显的抑制作用;

    The results indicate that sodium benzoate , ammonium benzoate , cinnamic acid inhibited anodic process significantly .

  8. 抗氧化剂异VC钠有一定的阻止硝酸盐还原成亚硝酸盐的作用,而苯甲酸钠无此作用。

    VC - Na antioxidant could prevent the reduction from nitrate to nitrite in some exten , but sodium benzoate could not .

  9. 质粒消除为了考察质粒的功能,本文采用了吖啶橙、SDS和苯甲酸钠三种消除剂进行质粒消除。

    In this paper , we used acridine orange , SDS , sodium benzoate to eliminate the plasmid .

  10. 发酵完成后加入高浓度的NaCl或少量的苯甲酸钠有利于发酵辣椒较长期保藏时组织软化的抑制。

    High concentration of NaCl was beneficial to the inhibition of tissue softening when fermented pepper is kept for a long time .

  11. 不同浓度的氧化剂H2O2、防腐剂苯甲酸钠对黑加仑果汁色素均都有严重的破坏作用。

    H2O2 and Sodium benzoate of different concentration have serious influence to the pigment of Black currant of fruit juice .

  12. 以黄豆、大麦、酵母粉为主成分,配以维生素C、胆固醇、氯化胆碱、琼脂、苯甲酸钠和乙酸配制成的人工饲料,可以满足甜菜夜蛾正常生长发育需要。

    An artificial diet consisted of soybean flour , barley , brewers yeast , vitamin C , cholesterol , choline chloride , agar , sodium benzoate and acetic acid , can support the development of Spodoptera exigua .

  13. 结果表明苯甲酸钠、山梨酸钾、脱氢醋酸钠、尼泊金复合酯和纳他霉素的抑菌效果明显,并且它们对L1、J4和M5的抑制浓度均在可使用的范围内。

    The results showed that sodium benzoate , potassium sorbate , ethyl p-hydroxybenzoate , sodium dehydroacetate and natamycin had significant inhibition .

  14. 建立了复方甘草片中苯甲酸钠、甘草酸和甘草苷的HPLC含量测定方法,分别测定了不同厂家制剂中三种成分的含量,同时建立了该制剂的溶出HPLC指纹图谱。

    The methods based on RP-HPLC / UV have been developed for the dissolution test and the determination of sodium benzoate , glycyrrhizic acid and liquiritin in CLTs simultaneously . The samples manufactured in different factories were analyzed to determine the contents of the three compounds .

  15. 研究和对比了透明成核剂TM-3与普通成核剂苯甲酸钠(SB)对聚丙烯(PP)力学性能的影响,结果发现:TM-3与SB对PP的力学性能的影响有很大不同;

    Mechanical properties of polypropylene contained different content of clarifying nucleating agents ( TM-3 ) and sodium benzoate ( SB ) were studied and compared . It was shown that mechanical properties of the two systems were much different .

  16. NaCl、蔗糖、葡萄糖等食品原料,防腐剂苯甲酸钠以及K+、Ca2+、Mg2+、Zn2+、Cu2+5种金属离子对3种花色苷稳定性影响不明显。

    There were no significant effects on food materials such as NaCl , sucrose and glucose and preservative sodium benzoate and five metal ions of K + , Ca2 + , Mg2 + , Zn2 + and Cu2 + on the stabilities of these three anthocyanin extracts .

  17. 蓄积毒性试验:直至第21d,也未见实验动物死亡,根据蓄积系数评价标准,K>5,即苯甲酸钠为有轻度蓄积作用的防腐剂。

    Accumulation toxicity test : Until the 21 ~ ( st ) day , there were no dead animals . According to the standard of accumulation coefficient , K > 5 , so Sodium Benzoate is an antiseptic which has the function of lightly accumulation .

  18. pH对色素有影响,在pH3~7范围内色素稳定;与常用食品添加剂葡萄糖、蔗糖、苯甲酸钠有好的混用性,但氯化钠及氧化剂和还原剂皆不利于色素稳定性的保持;

    The pH value affects the stability of the pigment but it is stable in range of pH3 ~ 7 . It lumps well as food additive in common use of glucose , sucrose , sodium benzoate , but NaCl and oxidizer and reducer can harm its stability .

  19. 在5~8℃的低温条件下,0.5%浓度的丙酸、山梨酸钾和苯甲酸钠浸果2min均能达到较好的防腐效果。

    And 0.5 % propionic acid , potassium sorbic acid and sodium benzoic acid solution all had better preservative action under low temperature of 5 ℃ to 8 ℃ .

  20. 利用偏光显微镜观察了等规聚丙烯(iPP)在透明成核剂TM-3作用下的等温结晶形态,并与普通成核剂苯甲酸钠的影响作了对比。

    Isothermal crystalline morphology of isotactic polypropylene ( iPP ) with clarifying nucleator - TM-3 was observed by polarized light microscope . In addition , the morphology was compared with that of iPP containing ordinary nucleator sodium benzoate .

  21. 首先采用Plackett-Burman法对8个因素进行了筛选,结果表明,苯丙氨酸,苯甲酸钠和乙酸钠三个因素对紫杉醇产量影响较大。

    Firstly , Plackett-Burman design was undertaken to evaluate the effects of eight factors . With statistic regression analysis , the significant factors affecting Taxol production were determined as follows : phenylalanine , sodium acetate and sodium benzoate .

  22. 结果表明:在培养基pH5.5时,山苍子油对多数霉菌的最低抑制浓度为1.77mg/ml,而山梨酸钾为2.21mg/ml,苯甲酸钠为3.10mg/ml。

    The data indicated the minimum antibiotic concentration of Litsea cubeba oil on most of moulds was 1.77 mg / ml in medium at a pH 5.5 ; in contrast , sodium benzoate and potassium sorbate were 3.10 mg / ml and 2.21mg / ml , respectively .

  23. 结果表明,在培养基pH4.5时,柠檬醛对多数试验真菌的最低抑菌浓度(MIC)为0.10%~0.15%,与山梨酸钾的抗菌效力相近,优于苯甲酸钠。

    As a result , the minimum antibiotic concentration of citral for the majority eumycetes is 0 10 % ~ 0 15 % in the medium of pH4.5 and its antibiotic property is similar to that of potassium sorbate , but better than that of sodium benzoate .

  24. 扫描电镜照片和定量数据表明:PP/PET是典型的不相容体系,加入EPDM-g-GMA后,两相相容性提高,进一步加入成核剂苯甲酸钠后,分散相尺寸更小粒径分布更均匀。

    The ESEM images and quantitative data show that PP / PET is a typical immiscible system and the compatibility is improved by adding EPDM-g-GMA . Furthermore , the dimension and the distribution of disperse phase become finer after adding nucleating agent .

  25. 苯甲酸钠及硫代硫酸钠对郁金香切花膜脂过氧化的影响

    Effect of SB and Na_2S_2O_3 Upon Membrane-Lipid Peroxidation in Cutting Tulips

  26. 苯甲酸钠保藏番茄汁的评价研究

    Effects of Sodium Benzoate in Chilling Storage of Tomato Juice

  27. 苯甲酸钠/柠檬酸对甜橙汁保藏的影响

    Effects of Sodium Benzoate and Citric Acid on Preservation of Orange Juice

  28. 苯甲酸钠对切花瓶插效果的影响研究

    Study on Sodium Benzoate on Fresh-keeping Effect of Cut Flower

  29. 本文采用红外示差光谱定量分析奶粉中苯甲酸钠的含量。

    Determination of sodium benzoate in milk powders by the infrared difference spectrophotometry .

  30. 铋膜电极差分脉冲溶出伏安法测定苯甲酸钠中的铅

    Determination of lead in sodium benzoate using bismuth-film electrode by differential pulse stripping voltammetry