Backward ECN ( BECN) suggests a congested router to directly return the congestion information to the sender through ICMP source quench ( ISQ) messages to reduce the reaction time to congestion.

Backwards Explicit Congestion Notification ( BECN) Rm-cell may be generated by the network or the destination.

后向明确拥塞通知（BECN）源管理（RM）信元可以由网络或目的设备生成。

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The characteristic relations has becn developed and it is very suitable to use the Courant difference method with the guarantee condition of convergence.

经特征变换后，采用收敛和稳定性均有保证的Courant差分格式进行数值计算，克服了对称差分格式在处理线路边界条件时的困难。

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This study aimed to recognize the clinical characteristics and electroencephalographic features of BECT.

目的探讨儿童良性癫疒间伴中央颞区棘波（BECT）的临床表现和脑电图变化的特点。

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Methods To analyze clinical and electroencephalographic data of36 BECT patients.

方法分析36例BECT患者的临床及脑电图资料。

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Analysis of Engine Connecting rod's Reliability for BECT 110 Motorcycle

BECT110型摩托车发动机连杆可靠性分析

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Clinical Analysis and Curative Efficacy Observation of 30 BECT Cases

30例BECT的临床分析及疗效观察

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Background and objective Benign familial neonatal convulsions ( BFNC) is a rare autosomal dominant inherited epileptic syndrome, characterized by unprovoked convulsions.

背景和目的良性家族性新生儿惊厥（Benign Familial Neonatal Convulsions，BFNC）是一种罕见的原发性癫痫综合征，呈常染色体显性遗传，患病率约为1／10万。

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Objective To diagnose a Chinese benign familial neonatal convulsions ( BFNC) family at the level of gene and investigate its molecular pathogenesis.

目的对一个中国良性家族性新生儿惊厥（Benign Familial Neonatal Convulsions，BFNC）家系进行基因诊断，并探讨其分子发病机理。

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Objective To explore the clinical and genetic characteristics of benign familial neonatal convulsion ( BFNC).

目的探讨良性家族性新生儿惊厥（BFNC）的临床特征及遗传学特点。

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With the consideration of all the reactions involved in the polyesterification of BHET ( bis-β-hydroxyethyl terepliathalate) such as the primary forward polycondensation reaction, its reverse reaction and the cracking reaction, a kinetic equation was derived.

考虑了对苯二甲酸乙二酯（BHET）缩聚过程的主反应、逆反应及热裂解反应，得到一个动力学方程式。

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According to the technical requirements of BHET, this paper selects JX-300 DCS control system to make control for its production process, and introduces the functions, the structure of hardware and the design process of software of JX-300 DCS control system.

根据聚酯切片生产的技术要求，选用了JX-300DCS控制系统对其生产过程进行控制。详细地介绍了JX-300DCS控制系统的功能、硬件结构及其软件的设计过程。

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The catalytic activity of the composite catalysts was evaluated based on DSC method. The results showed that the catalyst with the amorphous structure exhibited higher activity for BHET polycondensation.

采用DSC方法对所制备的催化剂的活性进行研究，结果表明，具有无定形结构的凹凸棒土复合铝、钛化合物催化剂其活性较高。

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The reaction distillation was used for synthesis of polymer monomer BHET. The process was simulated by using ASPEN PLUS.

研究了将反应精馏法用于聚对苯二甲酸乙二醇酯（PET聚酯）生产的直接酯化反应和酯交换反应，并采用过程模拟软件aspen plus模拟了整个反应精馏过程。

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The DCS Control of BHET's Production Process

聚酯切片生产过程的微机控制

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Discussion on factors influencing BHET production and quality with PTA semi-continuous process

影响PTA半连续生产BHET产质量几个因素的探讨

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Brain Heart Infusion broth ( BHIB) was used as the liquid media to observe the growth of H.pylori when different nutrient supplements ( 5% CBS, 10% CBS, 10% SBS and 0.1% P-CD) were added.

液体培养时观察四种添加剂（5%CBS、10%CBS、10%SBS和0.1%β-CD）对H。

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BHMT gene in liver, intestine and kidney can be induced too after intraperitoneal injection of betaine.

腹腔注射甜菜碱后，鲈鱼肝、肠和肾三个组织中的BHMT基因的相对表达量有显著的增加。

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Study on bacteriostasis of the medicinal plant BHMT

药用植物BHMT抑菌作用的研究

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These studies provide a scientific basis for BHMT as a bioengineering drug to treat hyperhomocysteinemia.

为rhBHMT作为治疗高同型半胱氨酸血症生物工程药物提供了科学基础。

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Methods Skin tests with autologous serum and basophil histamine-release assay ( BHRA) were performed. A complete blood count, blood chemistries, and tuberculin skin test should be done.

方法自身血清皮肤试验和嗜碱性粒细胞组胺释放试验。要进行血常规、血液化学化验和结核菌素皮肤试验。

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