查询词典 RH

A mathematical model was developed to investigate the effect of traveling magnetic field with different exciting current parameters on the mixing behavior in RH degasser.

建立了RH精炼装置内混合行为的数学模型，考察了不同励磁电流参数下行波磁场对RH精炼装置内混合特性的影响。

The flow field of RH -KTB vacuum degasser in Magang is analyzed with three-dimensional numerical model established by CFX software platform.

利用CFX数值计算软件建立的数值耦合模型对马钢RH-KTB的流场进行了分析，得出了包括钢包、真空室、上升管、下降管的RH全系统的流场状态及其在精炼过程中的变化规律。

Steel plant, the water model and the method of the circulation flow rate determination of RH vacuum degasser have been established.

RH改进脱碳模型可以预测RH处理过程中的碳含量；利用该模型还得到了最佳初始碳氧含量曲线；为达到最大脱碳速率，应降低转炉出钢含碳量，增大低碳范围内真空室搅拌能；论文还得到了OB与否曲线图，最佳OB时间和最佳OB量。

Biological characteristics of Curvularia lunataBoedijn had been preliminarily studied. Optimal mediums for pathogen growth were PSA,PDA and OMA.For mycelia growth,sporulation and conidial germination of pathogen,optimal temperature was 25～30℃,and pH 5～9.Among the tested carbon and nitrogen resources,sucrose,glucose,carbamide,sodium nitrate,etc were beneficial for mycelia growth and sporulation.The conidia germination is strict in RH requirement:Conidia can germinate at RH 81%～98%,or have 100% germin...

香蕉大灰斑病菌适合生长的培养基有PSA、PDA和OMA；菌落生长、产孢和孢子萌发最适宜的温度为25～30℃，pH 5～9；在碳源和氮源中，蔗糖、葡萄糖、尿素、磷酸氢二氨和硝酸钠有利于病菌生长和产孢；分生孢子萌发对湿度有严格的要求，RH≥80%以上分生孢子萌发，随湿度增加萌发率增高；光照对菌丝体无显著影响，光暗交替有利于孢子的形成；孢子致死温度为55℃(10min)。

Based on decarburization math model for RH process,the decarburization behavior of a 210 t RH unit has been studied to analyze the effect of vacuum,lifting gas flow rate and up-leg inner diameter on decarburizing process.

基于RH脱碳数学模型，研究了210tRH精炼装置的脱碳行为，分析了真空度、提升气体流量及浸渍管内径等因素对脱碳过程的影响；在自然脱碳条件下，根据实际取样分析结果，计算出脱碳速率常数K_C，发现整个脱碳过程分为两个阶段，即快速脱碳阶段和脱碳停滞阶段。

Ascospores were released in both saturated air (90–95% rh) and at 65–75% rh.

子囊孢子的释放要同时满足饱和空气（90-95％RH）以及相对湿度为65-75％的条件。

While under visible light irradiation, Ag,Pt,Pd and Rh exist as Ag~0, PtCl_4, PdO and Rh0 respectively, which results in that the photocatalytic activity of the M/TiO_(2-x)N_x depends on the generation and transfer pathway of photogenerated electron in M/TiO_(2-x)N_x photocatalyst.

而在可见光下，Ag，Pt，Pd和Rh分别以Ag~0，PtCl_4，PdO和Rh~0的形式存在，M/TiO_(2-x)N_x光催化剂的活性取决于光生电子的激发方式和其转移途径。

A novel microwave closed digestion method for treatment of difficultly dissolved Rh,Ir powders and their alloys,metallurgy material,reduced activating placers was developed.

提出了微波密闭消解难分解Rh、Ir粉及其合金、冶金物料、碎化砂矿的新方法；对比了它们的微波密闭消解和传统分解法的条件；分析了消解后Rh、Ir、Pt、Pd和Au的含量。

The average liter was 30% higher than original strain during normal fermentation. Using propionate as half precursor instead of 01 precursor, the fermentation titer of Rh 109-2 does not reduce, and the content of MDMA_(1) increases.

正常发酵时，Rh 09－二的发酵水平比出发菌株提高了30％：当采用丙酸盐替代原有的of前体的一半进行补料时，Rh 09－2的发酵单位没有降低，而 MDMA；的含量略有提高，从而降低了发酵成本。

Fig.3 Restriction analysis of fragments of PCR amplification of RH,ZS2,CN isolates1.PCR Markers 2.Amplification fragment of GRA1 gene of RH isol?

2.3 弓形虫RH株、ZS2株、CN株扩增产物的HpaⅡ酶切鉴定 GRA1基因的酶谱分析表明，HpaⅡ位点在274bp和444bp处，该酶切GRA1后应该有444bp、274bp和170bp 3个片段。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。