dehydrogenase

dehydrogenase

1. The totalprotein(TP)and albumin(AIB)contents were lower in group A than in group (?) ,lacrate dehydrogenase(LDH),r-glutamyl transferase(GGT),alkaline phosphatase(ALP)were higher in group A than in group B(P<0.01).

A 组 TP、AIB 低于 B 组(P<0.01),GGT、LDH、ALK A 组高于 B 组(P<0.01)。

2. The aldehyde reductase(ALR) and glucose dehydrogenase(GDH) was purified from recombinant M15 (pQE30-ALR) and M15 (pQE30-gdh223) cells, respectively, and the kinetics of enzyme catalyzed reaction was studied.

coli M15(pQE30-gdh223)和M15(pQE30-gdh151)。

3. Pretesting is recommended because patients with glucose-6-phosphate dehydrogenase (G6PD) deficiency may develop "severe hemolysis" when taking this drug, the FDA table notes.

FDA的表格中指出,建议治疗前检测,因为葡萄糖-六-磷酸盐去氢酶(G6PD)缺乏患者服用此药会发生严重的溶血;

4. GABA is metabolized by the successive action of GABA transaminase (GABA-T) and succinic semialdehyde dehydrogenase (SSADH), to succinic acid, which is a substrate for the tricarboxylic acid cycle.

GABA的降解主要由GABA转氨酶(GABA-T)催化,脱氨基生成琥珀酸半醛,再经琥珀酸半醛脱氢酶(SSADH)催化生成琥珀酸,进入三羧酸循环。

5. The NADH molecules carry their electrons to the cell membrane(the FADH2 is already attached to it),and there they transfer them to a complex membrance-embedded protein called NADH dehydrogenase.

NADH分子将电子带入细胞膜(FADH2分子已附在膜内),在那里,他们转变成一种名为NADH脱氢酶的复合植入膜蛋白。

6. AMA in PBC are directed to the three ketoacid dehydrogenase complexes, and predominantly to E2 subunit of pyruvate dehydrogenase complex (PDC-E2).

PBC特异的AMA主要针对位于线粒体内膜的三个酮酸脱氢酶复合物家族(OADC)中的各个亚单位,即线粒体M2抗原的主要成分,其中最主要针对丙酮酸脱氢酶复合物E2亚单位(PDC-E2)。

7. Yin Jun.Some problems about the slaking mud dehydrogenase activity detection[J].China Water Supply and Sewerage,2000,16(10):20-24.

[2]尹军.消化污泥脱氢酶活性检测的若干问题[J].中国给水排水,2000,16(10):20-24.

8. A chemical name describing bovine NADP-specific glutamate dehydrogenase, which contains 500 amino acids.

三千六百多个字母,是描述迟钝的NADP特异性谷氨酸脱氢酶的一个化学名字,包含500个氨基酸。

9. Unfortunately, this is poisonous to, so a second enzyme, aldehye dehydrogenase, converts it as fast as possible into harmless acetic acid.

不过这也是一种有毒物质,因此又有了第二种酶,乙醛脱氢酶,能把毒物转化尽快转化成无害的醋酸。

10. Cloning and Expression of D-Lactate Dehydrogenase Gene in Lactobacillus sp.

与<>相似的文献。

11. A competitive inhibitor is usually structurally similar to the substrate, e.g. malonate is a competitive inhibitor of the enzyme succinate dehydrogenase.

与底物结构相似的物质能竞争性的与酶结合,从而使酶不能与底物结合而丧失其催化活性。

12. There are no TM perforation in both groups but most of the cochleas showed loss of outer hair cells or reduced activity of succinic dehydrogenase (SDH).

两组动物均未见鼓膜穿孔,但绝大多数耳蜗显示有外毛细胞丢失或琥珀酸脱氨酶(SDH)酶活性降低。

13. We have cloned the acyl-CoA dehydrogenase function domains of ACAD10, LCAD, VLCAD and ACAD9 for further crystallization research.

为从结构上分析蛋白的功能,我们尝试了ACAD10及其同源蛋白LCAD、VLCAD和ACAD9的功能结构域的克隆与表达工作。

14. In order to investigate its antibacterial action, the effects of protamine on succinate dehydrogenase and malata dehydrogenase in cells of Aspergillus niger were assayed.

为探讨其抑菌作用,我们研究了鱼精蛋白对黑曲霉细胞内的琥珀酸脱氢酶和苹果酸脱氢酶的影响。

15. And esterase(CE)and alcohol dehydrogenase(ADH) activities that thought to be important in the metabolism of EEA and EE werealso determined.

为探讨引起差异的可能原因,测定了参与这组化合物代谢的酯酶(CE)和醇脱氢酶(ADH)活性,以综合分析试验结果。

16. Especially new progresses in research of inhibitors of pyruvate dehydrogenase complex were introduced mainly.

主要介绍了具有除草活性好的丙酮酸脱氢酶抑制剂研究新进展。

17. Ethanol is maily metabolized in liver by ethanol dehydrogenase,cytochrome P450-2E1 and acetaldehyde dehydrogenase.Ethanol metabolic enzyme plays an important role in the metabolism of ethanol.

乙醇在肝内主要由乙醇脱氢酶、细胞色素P450-2E1和乙醛脱氢酶代谢,乙醇代谢酶在乙醇代谢过程中发挥着最重要的作用。

18. Aldehyde dehydrogenase is a kind of endoenzyme,and cell disruption is the major step in its extraction from Saccharomyces ceravisia.

乙醛脱氢酶(ALDH)是一种胞内酶,在从酵母中分离提取ALDH的过程中,破碎细胞是其中的关键步骤之一。

19. The activity of lactic dehydrogenase(LDH) was analyzed by using LDH kits.

乳酸脱氢酶(LDH)试剂盒检测LDH活性。

20. NK cells activity was detected by lactate dehydrogenase method.

乳酸脱氢酶法测定自然杀伤细胞(NK细胞)活性。

21. An elevated lactic acid dehydrogenase (LDH) concentration is a better sign of hemolysis, and a marker of severe disease or HELLP syndrome (ie, Hemolysis, Elevated Liver enzymes, Low Platelets).

乳酸脱氢酶(LDH)浓度增高是提示溶血的更好的指标,也是提示重度疾病或HELLP(溶血,肝酶增高,血小板降低)的一个标志物。

22. Dihydrodiol dehydrogenase(DDH),as one member of aldo-keto reductase (AKR )superfamily,is one kind of plasmolysis protein. DDH plays important role in pathogenesis of lung cancer.

二氢二醇脱氢酶(DDH)为醛-酮还原酶家族成员之一,是一种胞浆蛋白,在肺癌的发生发展过程中有重要作用。

23. Pyruvate dehydrogenase is inefficient and about 32% pyruvate is excreted.

二者丙酮酸脱氢酶的反应效率均较低,约有32%的丙酮酸分泌到胞外。

24. Measurement of plasma levels of creatine kinase (CK) and lacate dehydrogenase (LDH) 15 min before ischemia, 45 min after ischemia and 120 min after reperfusion.

于结扎前15min,缺血45 min,再灌注120 min时测定各组动物血浆肌酸激酶(ereatine kinase,CK)和乳酸脱氢酶(laeate dehydrogenase,LDH)活性。

25. The alternative oxidase and possibly internal rotenone-insensitive NADH dehydrogenase limit mitochondrial ROS production by keeping the ETC relatively oxidized.

交替氧化酶和可能的内源鱼藤酮不敏感的NADH脱氢酶通过保持ETC的相对氧化状态限制线粒体产生ROS。

26. Alcohol dehydrogenase (ADH) and aldehyde dehydrogenase (ALDH) play an important role in the in vivo alcohol metabolism together.

人体中的乙醇脱氢酶(alcohol dehydrogenase,ADH)及乙醛脱氢酶(aldehyde dehydrogenase,ALDH)在乙醇代谢过程中发挥着重要的作用。

27. Sjogren-Larsson syndrome (or Rud's syndrome) is a form of ichthyosis associated with a deficiency of the enzyme "fatty aldehyde dehydrogenase".

什么是'干燥,拉尔森综合征-罕见的遗传疾病与皮肤增厚'?

28. Phenylalanine at lower concentration, however, could slightly improve cell growth and the activity of dehydrogenas...

低浓度的苯丙氨酸使细胞生物量和脱氢酶活力略有提高;

29. The enzymes involved in alcohol metabolism include mainly alcohol dehydrogenase(ADH), aldehyde dehydrogenase(ALDH) and cytochrome P450 2E1(CYP2E1), which all appear to be polymorphic.

体内参与乙醇代谢的酶主要有乙醇脱氢酶(ADH)、乙醛脱氢酶(ALDH)和细胞色素P450-2E1(CYP2E1),它们均存在基因多态现象。

30. The results indicated that 50mg/L DTA-6 and 40mg/L CCC accelerated the seedling growth and increased root vigor. But, 10mg/L 6-BA inhibited root growth, as well as dehydrogenase activity.

其中50mg/L DTA-6和40mg/L CCC促进幼苗的生长,提高了根系脱氢酶活性,而10mg/L 6-BA却抑制了根系的生长,并且根系还原力也降低。

31. One of these, called alcohol dehydrogenase, turns the alcohol molecules into another chemical, acetaldehyde.

其中有一种叫酒精脱氢酶,把酒精分子转化成另一种化学物质,乙醛。

32. The levels of serum alanine aminotransferase (ALT), aspartate aminotransferase (AST) and lactate dehydrogenase (LDH) were determined at 9 time points.

分别于9个时间点测定血清丙氨酸转氨酶(ALT)、天冬氨酸转氨酶(AST)、乳酸脱氢酶(LDH)水平。

33. The activity of immobilized lactate dehydrogenase(LHD)prepared via absorption method was studied by X-ray micro-area analysis using lactate as a substrate,K 3 and copper ion as trapping agent.

利用X射线微区分析,对吸附法得到的固定化乳酸脱氢酶的活性进行了分析;

34. An enzymatic method was applied to determine L-lactic acid based on the reaction of L-lactic acid and nicotinamide adenine dinucleotide oxidized form(NAD) catalyzed by L-lactate dehydrogenase(L-LDH).

利用乳酸在氧化型烟酰胺腺嘌呤二核苷酸(NAD)存在的条件下,由乳酸脱氢酶(L-LDH)催化生成丙酮酸和还原型烟酰胺腺嘌呤二核苷酸(NADH)。

35. Betaine aldehyde dehydrogenase (BADH) cDNA cloned from Atriplex hortensis L. was transferred into tetraploid clone of black locust (Robinia pseudoacacia L.) by agrobacterium (Agrobacterium tumefaciens Conn) mediated transformation.

利用农杆菌(Agrobacterium tumefaciens Conn)介导法,将山菠菜甜菜碱醛脱氢酶(BADH)基因转入四倍体刺槐(Robinia pseudoacacia L.)

36. When glucose is oxidized to glucolactone by glucose dehydrogenase (GDH, E.C. 1.1.1.47), NADP+ is reduced to NADPH, therefore, this reaction can be coupled to the reduction of COBE to (R)-CHBE.

利用微生物产酶催化还原COBE获得CHBE的过程需要辅酶NADPH参与提供氢原子。 由于工程菌E.

37. Ten loci observed in 5 enzyme systems, Esterase (EST), Phosphoglucoisomerase (PGI), Phosphoglucomutase (PGM), Shikimate dehydrogenase (SKD), and Superoxide dismutase (SOD) were encoded by 25 alleles.

利用等位酶分析技术对柚的酯酶(EST)、6-磷酸葡萄糖异构酶(PGI)、6-磷酸葡萄糖变位酶(PGM),莽草酸脱氢酶(SKD)、超氧化物歧化酶(SOD)共5个酶系统的10个等位酶基因座进行了分析。

38. Pressure effects on the stabililty and reactivity of methanol dehydrogenase.

压力对甲醇脱氢酶稳定性及再活性的影响。

39. Dihydropyrimidine dehydrogenase enzyme, the key and rate-limiting enzyme for the catabolism of 5-fluorouracil (5-FU), is closely related to 5-FU clinical therapy.

双氢嘧啶脱氢酶(DPD酶)是5-氟尿嘧啶(5-FU)分解代谢的最主要的限速酶,与5-FU的临床疗效密切相关。

40. The acid phosphatase alkaline phosphatase lactate dehydrogenase and succinate dehydrogenase in the endothelium on the trabecular meshwork in primary glaucoma were studied.

取原发性青光眼小梁网组织、察其中酸性磷酸酶、性磷酸酶、酸脱氢酶、珀酸脱氢酶的活性。

41. The second test, which is sensitive to an enzyme called plasmodium lactate dehydrogenase, allows more false negatives to creep in generally, and notably in children under five years old.

另一种试验检测的是疟原虫乳酸脱氢酶,但受检者特别是5岁以下的儿童通常易出现假阴性结果。

42. The influence of PEI on the activities of glycerol dehydrogenase and 1,3-propanediol oxidoreductase was also studied.

同时还考察了1,3-丙二醇酶催化体系中PEI对甘油脱氢酶和1,3-丙二醇氧化还原酶酶活力的影响。

43. Since the inner mitochondrial membrane is impermeable to oxaloacetate, it is converted to malate by mitochondrial malate dehydrogenase.

因为线粒体内膜是不能通透草酰乙酸的 , 所以它被线粒体的苹果酸脱氢酶转化为苹果酸。

44. Soil organic matter is the uppermost factor affecting soil dehydrogenase activity of natural wetland.

土壤有机质成为影响冲积平原湿地土壤氧化还原酶活性最主要的因素。

45. Glutamate synthase(GOGAT) and glutamate dehydrogenase(GDH) activity in the roots and leaves of rice seedlings were decreased under NaCl stress.

在NaCl的胁迫下,水稻幼苗根和叶的谷氨酸合酶和谷氨酸脱氢酶的活性随着营养液中的NaCl浓度的升高而降低;

46. Glutamic dehydrogenase was found to be present in the fat bodies of Tryporyza incertulas Walker and Tessaratoma papittosa Drury.

在三化螟与荔枝蝽脂肪体中均存在谷氨酸脱氢酶。

47. The cytopathic effect(CPE),beating frequency of myocardial cells and the lactate dehydrogenase(LDH)levels in supernatant was tested at day 2,3,5 respectively after the treatment.

在处理的d 2,3,5观察各组细胞病变效应(CPE)、细胞搏动频率并测定细胞上清液中乳酸脱氢酶浓度。

48. Of the 4 soil enzymes studied, alkaline phosphatase and dehydrogenase were higher than urase and arylsulfatase in activity.

在所测定的4种土壤酶中,碱性磷酸酶和脱氢酶的活性高于脉酶和芳基硫酸酯酶的活性。

49. Moreover, the activities of isocitrate lyase and isocitrate dehydrogenase in the 0 P-treated cells were 1.48 and 0.75 times higher than in the control at day 8 of the treatment.

在第8 d,缺磷条件下的细胞异柠檬酸裂解酶活性和异柠檬酸脱氢酶活性分别是对照的1.48倍和75%。

50. In higher plants, betaine is synthesized in two-steps: the fist one is catalyzed by choline monooxygenase (CMO) and the second one is catalyzed by betaine aldehyde dehydrogenase(BADH).

在高等植物中,甜菜碱由胆碱经两个酶催化得到,催化第一步反应的酶是胆碱单加氧酶(CMO),催化第二步反应的酶是甜菜碱醛脱氢酶(BADH)。

51. Multivariate analysis by Cox regression showed that performance status, T stage, Ann Arbor stage, B symptom, lactate dehydrogenase (LDH), and IPI were independent prognostic factors.

多因素回归分析证明 ,一般状态、T分期、AnnArbor分期、B组症状、乳酸脱氢酶和国际预后指数是独立的预后因素。

52. Effect of temperature of fluid infusion on diamine oxidase, MB isoenzyme of creatine kinase, creatine-kinase and lactate dehydrogenase in hemorrhagic shock rabbits ......

失血性休克;液体复苏;肌酸激酶同工酶;肌酸激酶;乳酸脱氢酶;二胺氧化酶

53. The Bet?A gene is consist of 1 668 nucleotides, that is capable of encodinga protein in 61.9 KD, choline dehydrogenase(CDH).

它是由Bet基因家族中的Bet-A基因编码,基因全长1668bp,成熟蛋白质分子量为61.9KD。

54. Previous studies in rodent model have had demonstrated that Streptococcus mutans which lack the enzyme activity of lactate dehydrogenase (LDH), had significantly less cariogenic.

实验已经证实LDH活性缺乏的变链菌在限菌啮齿类动物模型体内致龋性显著降低。

55. The activities of lactic dehydrogenase (LDH) and creatine kinase (CK),cell viability and apoptosis were measured at the end of the experiment.

实验结束测定乳酸脱氢酶(LDH)和肌酸激酶(CK)活性、细胞存活和凋亡率。

56. The results showed that salicylic acid was toxic to the cells and reduced both the cell growth and the activity of dehydrogenase, and should be controlled carefully.

实验结果显示:水杨酸对细胞生长有一定的毒性;

57. Results show that: the contents of rat glycogen and succinic dehydrogenase (SDH) were not remarkably changed, while the level of myoglobulin adenosine triphosphatase (M ATPase) decreased and LDH increased markedly.

实验结果表明:慢性束缚所致疲劳大鼠的糖原与琥珀酸脱氢酶(SDH)含量无显著改变,肌球蛋白三磷酸腺苷酶(M?ATPase)明显降低,乳酸脱氢酶(LDH)明显升高;

58. Several current measuring methods for activity of pyruvate dehydrogenase are compared and studied.

对目前几种丙酮酸脱氢酶测活的方法进行了比较研究。

59. Enzymatic histochemical stain was used to show SDH (succinic dehydrogenase with pearson method), CCO (cytochromeoxidase with seligman method), M-ATP (adenosine triphosphatase with Niles method) and Mg2+-ATP with Wachstein-Meisel method.

将组织切片进行酶组化染色 ,以Pearson法显示琥珀酸脱氢酶 ,Seligman法显示细胞色素氧化酶 ,以Niles法显示骨骼肌M -ATP酶 ,Wachstein -Meisel法显示胃Mg2 + -ATP酶。

60. The dehydrogenase activity described above was evenly and equally distributed in the microvasculature between arterioles and venules, and was the strongest in arteries.

小动静脉之间的微血管网活性分布均匀一致。上述脱氢酶在动脉上活性最强。

61. Xeloda is contraindicated in patients who have a known hypersensitivity to 5-fluorouracil, and in patients with known dihydropyrimidine dehydrogenase (DPD) deficiency.

希罗达禁用于对5-氟尿嘧啶过敏患者及二氢嘧啶脱氢酶(DPD)缺乏患者。

62. The values of alanine aminotransferase(ALT) and lactate dehydrogenase(LDH) in coculture supernatants of H. pylori and HepG2 were increased.

并且培养细胞的上清液出现谷丙转氨酶和乳酸脱氢酶的增高。

63. There were no marked changes in the levels of creatine kinase( CK), lactate dehydrogenase( LDH), creatine kinase isoenzyme, aspartate aminotrasferase and alanine aminotransferase.

并且服药后肌酸激酶、酸脱氢酶、酸激酶同功酶及天冬氨酸氨基转移酶、氨酸氨基转移酶等酶的水平没有明显变化。

64. The enzymes activities increased significantly but the timeliness kept 1 month only to the SOD and CAT, but to dehydrogenase, POD not enough 1 month.

引发对大葱种子酶活性的影响极其显著,但短暂,时SOD、CAT影响仅保持1个月时间,而时脱氢酶、POD则不足1个月;

65. Effects of Acute Hypoxia on Plasma Lactic Acid and Lactic Dehydrogenase Content in Pilots.

急性低压缺氧对飞行人员血浆乳酸及乳酸脱氢酶含量的影响。

66. We are now mainly intermittent hydrogenation, hydrogenation of now there are small workshops alcohol dehydrogenase of hydrogenation and the hydrogenation of linalool.

我们现在主要是间歇加氢反应,现在车间加氢主要有丁炔醇的加氢和去氢芳樟醇的加氢。

67. Abstract: Glyceraldehyde-3-phosphate dehydrogenase (GAPDH) is known for its pivotal role in glycolysis as a classical glycolytic protein in cytosolic energy production.

摘 要: 3-磷酸甘油醛脱氢酶(GAPDH)作为一种糖酵解蛋白在糖酵解的能量产生中发挥着重要作用。

68. In order to elucidate the location of chorismate mutase and prephenate dehydrogenase on E. coli T-protein, protein limited digestion and fragmentation cloning were employed.

摘要为了解析分支酸变位酶和预苯酸脱氢酶在大肠杆菌T蛋白的定位,根据T蛋白限制性水解结果,分段克隆分支酸变位酶和预苯酸脱氢酶。

69. Aldehyde dehydrogenase (ALDH) is a kind of endoenzyme and cell-breaking is one of the key procedures in the extraction of ALDH from S. cerevisiae.

摘要乙醛脱氮酶(ALDH)是一种胞内酶,在从酵母中分离提取ALDH的过程中,破碎细胞是其中的关键步骤之一。

70. Objective To study the telomerase and serum lactic dehydrogenase (LDH) activity in acute leukemia and explore its significance.

摘要目的探讨急性白血病端粒酶和乳酸脱氢酶活性的变化及其临床意义。

71. Objective To detect anti-M2 autoantibody using recombinant pyruvate dehydrogenase complex E2 (PDC-E2) in order to help diagnosis of primary biliary cirrhosis (PBC).

摘要目的用重组表达的丙酮酸脱氢酶复合物E2亚单位(PDC-E2)检测M2抗体,以利于原发性胆汁性肝硬化(PBC)的早期诊断。

72. Objective To observe the relationship between the level of estradiol E2 in serum and activities of cretin kinase (CK), lactate dehydrogenase (LDH) and aspartate transaminase (AST) in rat heart muscle.

摘要目的观察雌二醇对雌性大鼠心肌组织肌酸激酶(CK)、乳酸脱氢酶(LDH)及天门冬氨酸转氨酶(AST)活性的影响。

73. The relations between soil dehydrogenase activity and soil nutrients of wetland in Yellow River Delta were studied through path analysis.

摘要运用通径分析法研究黄河三角洲冲击平原湿地土壤中氧化还原酶活性与土壤养分的关系。

74. Methods: The histochemical characteristics of various types of fibers of the musculus semispinalis capitis were observed by both myosin adenosine triphosphatase (ATPase) and succinate dehydrogenase (SDH) staining.

方法 :应用肌球蛋白腺苷三磷酸酶 ( ATP酶 )和琥珀酸脱氢酶染色法 ,观察比较各型肌纤维的组织化学特征。

75. Methods The injury and proliferation of EC were determined respectively by lactic dehydrogenase (LDH) release kit and the incorporation of [ 3H]TdR and [ 3H]Leu into cells.

方法 以乳酸脱氢酶 (LDH)及3H 胸腺嘧啶 (3H TdR)、3H 亮氨酸 (3H Leu)掺入 ,分别测定HUVEC的损伤和增殖。

76. Method: Dividing90 Kunming mice to3 groups, observing the index of weight loading swimming test, bearing hypoxia at normal pressure, activity of lactic dehydrogenase.

方法:90只雄性昆明种小鼠分为3组,观察艾灸后小鼠的负重游泳试验、压耐缺氧时间、酸脱氢酶活力等指标。

77. Method: Dividing 90 Kunming mice to 3 groups, observing the index of weight loading swimming test, bearing hypoxia at normal pressure, activity of lactic dehydrogenase.

方法:90只雄性昆明种小鼠分为3组,观察艾灸后小鼠的负重游泳试验、常压耐缺氧时间、乳酸脱氢酶活力等指标。

78. METHODS: After administration of GGP, the levels of insulin, lactate dehydrogenase (LDH), lactic acid (LC), and oxygen consumption, as well as blood glucose (BG) and liver glycogen (LG) were measured.

方法:为了观察GGP对胰岛素分泌和糖酵解的影响,给予GGP后,测定血糖(BG)和肝糖元(LG)含量,及胰岛素、乳酸脱氢酶(LDH)、乳酸(LC)水平。

79. METHODS: The calcium content of the myocardium, lactate dehydrogenase (LDH) release, protein loss and coronary flow were measured after the isolated rat hearts were perfused by TFP and VP.

方法:应用TFP与VP对离体大鼠心脏进行灌流。检测心肌钙含量、灌流液中乳酸脱氢酶(LDH)及心肌蛋白漏出量等指标。

80. Methods Serum aspartate aminotransferase(AST),creatine kinase(CK),CK-MB,lactic dehydrogenase(LDH) and LDH-1 were measured in 72 acute glomerulonephritis cases without complication and 26 cases with severe ciruclatory congestion.

方法对72例无并发症的AGN和26例并发严重循环充血状态的AGN患儿血中天冬氨酸转氨酶(AST)、肌酸激酶(CK)、肌酸激酶同功酶(CK-MB)、乳酸脱氢酶(LDH)及LDH-1的含量进行测定。

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