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Control factors of VRLAB in manfacturing process were discussed, and the reasons for control the factors were analyzed. The results show that iron in lead should be control in 0.000 7%, oxidizability of lead should be controlled in ±5% require...

通过查阅文献并结合生产实际，对VRLAB生产过程中需要控制的因素加以论述，并论述了控制这些因素的原因，指出铅粉中铁杂质含量宜控制在 0 。0 0 0 7%以内，铅粉的氧化度应控制在要求指标的± 5 %以内，灌酸密度应控制在技术要求的± 0 。0 0 5g/cm3 以内。

The study of crystal structure indicates that the complexes belongs to tetragonal,14(1)/a, a=b=27.047(5) A, c=14.103(3) A, a=b=y =90,V=10317(4)A3, Z=16, Dc=1.071g/cm3, F(000)=3408, R,=0.1395, R2=0.1766 and every unit of the tetranuclear complexes is four-coordinated to tridentate ligand and nitrogen atom in pyrazolone from other ligand. The complexes is slightly deformed square-planar geometry.

晶体结构研究表明，该配合物为四方晶系，空间群I4(1)/a，a=b=27.047(5)，c=14.103(3)，α=β=γ=90°，V=10317(4)，Z=16，Dc=1.071g/cm~3，F(000)=3408，R_1=0.1395，ωR_2=0.1766，其结构单元是由一个三齿配体中的ONO和另一个配体吡唑啉酮环二位上的N配位后形成略微畸变的平面四边形构型，其中Cu的配位数为4。

We calculated the Seebeck coefficient and power factor for filled-CoSb3 skutterudites, and our calculated S is in consistent with the experimental results.

研究发现了填充方钴矿体系的最佳载流子浓度为5×1020/cm3。

The appropriate conditions were shown:The green tablets were shaped under 300 MPa uniaxially and sintered up to 1 300 ℃ then kept at that temperature for 4 hours.

在最佳烧结条件下烧结的HAP陶瓷，烧结密度达2.81 g/cm3，相对密度达89%。SEM照片显示为紧密排列的六边形晶粒的集合体。

Shanyou 63 and Minghui 63 were used as materials and three stubble height treatments(10 cm,20 cm to 40 cm) were set to study the effect of different stubble height on growth and yield of ratooning rice.

以汕优63、明恢63为试材，设10、20、40 cm3个留桩高度处理，研究了不同留桩高度对再生稻生长发育及产量的影响。

This shows that armored cable that with single core of aluminum-magnesium-silicon alloy wire is also suitable for AC system, and will not reduce the current

重量轻：铝-镁-硅合金丝的密度仅为2.7g/cm3，明显降低了铠装电缆的整体重量。

After γ ray treatment, two kinds of cells were incubated on 6-well gelatin-coated plate with density of 2.5×104/cm3. hESCs were cultured on HAFi or MEF feeder cells containing β-mercaptoethanol DMEM/F12 and basic fibroblast growth factor.

取人胚胎干细胞，分别接种在小鼠胚胎成纤维细胞或永生化人成纤维细胞饲养层上，加入含β-巯基乙醇的DMEM/F12培养基，使用前添加碱性成纤维细胞生长因子。

Treatment of oil-containing wastewater by immobilized microbial cells

浮渣的密度通常在0.95g/cm3左右。

The results show that the ambient oxygen and ratio of the materials are critical to microwave sin...

结果表明：利用微波反应烧结β′-Sialon，原料配比和炉气中氧含量很关键；微波反应合成烧结Z值等于3的β′-Sia-lon的最佳工艺是1500℃、保温90 min，该工艺烧结的材料密度为3.050 g/cm3和室温抗弯强度为150 MPa。

The results show that the hollow glass microspheres could be coated with Al film by a...

在Al膜厚度相同的情况下，镀Al微珠加入量越多，则人工介质材料的介电常数越大。所制备的人工介质材料介电损耗小于0.02，密度小于0.8 g/cm3。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。