查询词典 pearlite

One generation of the adventitious buds bigger than 1.2cm were raised as the strong sprouts in MS+0.05mg/L BA+0.05mg/L IAA+1.0%AC, the bud increased approximately above 1.5 times stronger in coarseness with average height about 3.5cm; The sprout higher than 3 cm were transitted to 1/2M5+0.5mg/L IBA to induce rooting; Finally the seedling grows were transitted to the combination with the coconut tree rice polishings Many soil On the pearlite (1: 1: 1), after 45 days, the height of the three seedlings reached above 15, 16, 10cm respectively.

不定芽在MS+1.0mg/L BA+0.1mg/L IAA+3.0mg/L AgNO3上的增殖率在390%以上。将高度1.2cm以上的不定芽转至MS+0.05mg/L BA+0.05mg/L IAA+1.0% AC上壮苗培养1代，芽的高度和粗度增加1.5倍以上，平均株高约3.5cm。

Possible surface carburization may be detected optically in spheroidized materials by observation of surface pearlite or an increased number of carbide spheroids.

通过观察球光体表面或碳化物的增加的数目在球化处理材料方面，在视力上发现可能的表面渗碳。

The effect of hot deformation on transformations from work-hardened austenite to ferrite, pearlite and bainite is emphatically analyzed.

可以认为，该模型可用于分析热轧及加速冷却工艺参数和钢种化学成分对轧后产品组织状况的影响。

A new ferrite-pearlite wheel steel with C and Si as main strengthening elements was developed aiming at the damage characteristics of heavy duty wagon wheel. With rational C and Si contents, the steel has high strength, relatively high toughness and reasonable phase transformation characteristics.

针对重载车轮的损伤特点，研制了一种以C、Si为主要强化元素的铁素体－珠光体型车轮新材料，通过C、Si含量的合理配合，使车轮材料具备了高强度并保持了较高的韧性，同时具有合理的相变特性。

The pearlite white iron has lower hardness and good machinability. It is used for making some parts of the sand pump to be worn not severely.

珠光体白口铸铁的硬度较低，加工性能较好，用於砂泵中某些磨损较少的部件。

Pig iron, the matrix consisted of more than 95% pearlite and a little amount of cementite also, whereas the graphite was of larger type-A, and the tensile strength and the hardness were of 202~238MPa and 220~237HB, respectively; when the metallic charge was 23% V-Ti pig iron plus 77% N.I.

研究钒钛生铁和球铁生铁对Cr-Cu-Mo可淬硬铸铁凸轮轴显微组织和性能的影响，讨论了D型石墨的形成机理以及D型石墨灰铸铁凸轮轴具有较高强度和较高硬度的原因。

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。