MBN

Kinds of enzyme activity , MBC , MBN are closely related to OM .

5种酶活性、MBC、MBN与有机质密切相关。

Although there was poor content of MBC , MBN and MBP , their biological validity was very obvious .

MBC、MBN和MBP含量虽少，生物有效性却很明显。

Retanning agent MBN of complexing polymer

分子复合聚合物复鞣剂MBN

The influence of long-term fertilization on MBN and acid hydrolysable organic nitrogen ( AHON ) fractions in paddy soil were studied .

本文旨在研究长期不同施肥处理对稻田土壤MBN和酸解有机氮（AHON）及其组分的影响。

The policy mandates regarding provision of public utilities and services under the LGC and MBN / SRA are clear and complete .

这项政策的任务就提供公共设施和服务的LGC和MBN/前者是明确的和完整的。

In order to decrease the attribute independence assumption which is made by Naive Bayesian , a new Bayesian model MBN ( Mixed Naive Bayes ) is introduced .

为了降低朴素贝叶斯分类模型的独立性假设约束，提出一种混合式朴素贝叶斯分类模型（MBN：MixedNaiveBayes）。

MBN classifier is compared with Naive Bayes classifier and TAN classifier by an experiment . Experimental results show that this model has higher classification accuracy in most data sets .

将该模型算法与朴素贝叶斯及树增广朴素贝叶斯进行实验比较，实验结果表明MBN分类器在多数数据集上具有较高的分类正确率。

Application of Barkhausen Noise to the Measurement of the Residual Stress of Ferromagnetic Materials The Development of a MBN Instrument for Testing the Stresses and Hardness of Ferromagnetic Materials

巴克豪森效应在铁磁材料残余应力测量中的应用铁磁材料巴氏噪声应力硬度检测仪的研制

When a ferromagnetic material is magnetized by an alternating magnetic field , the abrupt irreversible motion of magnetic domain walls inside the material will induce Magnetic Barkhausen Noise ( MBN ) .

铁磁构件在交变磁场的作用下，磁畴壁的不连续运动在其表面释放一种磁弹波&巴克毫森噪讯。

MBN increased after rewetting and showed a pulse increasing with the DW cycles going . ( 5 ) Denitrifying enzyme activities had a significant positive correlation with soil moisture content ( g / g ) .

复水后MBN显著上升，且随干湿交替次数的增加而幅度增强。（5）反硝化酶活性与土壤质量含水率存在显著正相关（P0.05）。

The content of total N ( TN ), microbial biomass N ( MBN ), K2SO4 extractable N ( K2SO4-N ) of the soil and aggregates were all highest in irrigated arable and were lowest in grassland .

土壤全氮、微生物量氮和K2SO4浸提氮的含量，皆是灌溉耕地土壤最高，草地最低；

The increment of soil MBC and MBN after applying inorganic fertilizer and its combination with organic fertilizer was 407.6 and 59.2 mg · kg-1 , in maximum , and the maximum increasing rate was 102.8 % and 514.8 % , respectively , compared with no fertilization .

与对照相比，施化肥和有机无机配施处理土壤微生物量碳、氮最大增量分别为407.6和59.2mg.kg-1，最大增长率分别为102.8%和514.8%。

The content of enzyme activities , microorganism quantities , respiration intensity , microbial biomass C ( MBC ), MBN and MBP showed decrease of top-down trend in vertical profile , among them , the quantities of three major microorganism dropped suddenly and showed extreme sensitiveness of habitat change .

酶活性、微生物数量、呼吸强度和微生物量C、N、P均沿剖面向下降低，其中，三大菌类数量急剧下降，表现出生境变化的极度敏感性。