查询词典 hardness

Further analysis revealed that around 40 percent of lines with normal glume hardness were resistant to preharvest sprout. Although the top 50 lead lines with resistance to preharvest sprout showed significant correlation between glume hardness and preharvest sprout resistance.

进一步分析发现，尽管群体中穗发芽抗性较强的株系中，其抗性与硬颖壳有显著的相关关系，但是，仍有40%左右的株系表现为正常颖壳硬度却抗穗发芽。

Reen colour,its hardness is only second to diamond and boron carbide.its hardness and brittleness are higher than C.

C绿色，硬度仅次于碳化硼和金刚石，比黑碳化硅硬度和脆性略高。

A kind of high speed sulphamate nickel-based electrolyte is chosen as basal electrolyte, the influences of plating process parameters on the micro-hardness of the nickel deposit have been studied by orthogonal experiments. It is concluded that the main influence factors on the micro-hardness of the nickel deposit are sulphamate concentration and electrolyte temperature, the deposition rate and quality in single-pulse mode are higher than that in DC power and double-pulse mode.

选择以氨磺酸型高速镀镍液作为基础镀液，通过正交试验研究了电镀工艺规范对镀层显微硬度的影响关系，试验结果表明：镀液主盐氨基磺酸镍浓度和镀液温度是影响镀层硬度的显著因素，单脉冲供电模式下的电镀沉积速率和镀层质量优于直流和双脉冲模式。

A sulfonated poly aryl ether with sulfonic group on naphthalene ring of side chain and preparation thereof, which is capable to solve technical problems of complexity in synthesis, hardness in controlling sulphonation position and degree, high possibility of side reaction in sulphonation, complexity in sulphonation and hardness to realize indutrialzation.

一种磺酸基在侧链萘环上的磺化聚芳醚及其制备方法，解决现有技术中合成方法复杂，磺化位置和磺化度难以控制，磺化过程中容易发生多种副反应，磺化工艺复杂难以实现工业化等技术问题。

The results showed that the tensile strength,the tensile modulus and the shore A hardness of CO all increased by raising of the temperature and prolonging the time,while the tear strength,the tensibility,the tensile set at break and the compression set of CO all decreased,and the hardness,the tensile strength,the tensibility,the compression set all tended to the bala...

结果表明，二段硫化温度越高，硫化时间越长，胶料的拉伸强度和定伸应力越大，硬度越高；而撕裂强度、伸长率、拉断永久变形以及压缩永久变形越小，其中胶料的硬度、拉伸强度、伸长率、压缩永久变形在一定时间后基本上趋于平衡，较好的二段硫化条件为150℃～160℃×3～4h。

The microstructure of the magnesium alloy before and after ECAP were examined by means of OM and TEM. The hardness of the as-extruded and unextruded Mg-6Zn-1Gd-0.6Zr magnesium alloy was examined by vickers hardness tester. The rolling of the crystal plane in the process of ECAP was analyzed by X-ray diffraction.

采用光学显微镜和透射电子显微镜分析了试样ECAP变形前后的显微组织变化，采用显维硬度计对Mg-6Zn-1Gd-0.6Zr合金ECAP变形前后进行了硬度测试，采用X-射线分析法分析了ECAP变形过程中晶面的转动。

Results showed that:(1) soil loss from plough tillage was as much as 3~8 times that from no-tillage; the aerodynamic roughness lengths under plough and no-tillage were 0.032, 0.417, respectively.(2) No-tillage soil contained more clay and fine sand in the 0-10cm topsoil layer than the plough tillage soil. In the 0-5 and 5-10cm soil depth, the bulk density, soil hardness and soil moisture were more under no-tillage than plough tillage. Especially, the soil hardness in 0-5, 5-10 and 10-20cm under no-tillage were as much as 4.7, 2.8 and 3.8 times, respectively.

研究结果表明：翻耕农田土壤风蚀量是免耕地的3~8倍，翻耕地和免耕地的地表粗糙度分别为0.032和0.417；与翻耕地相比，免耕地表层0~10cm土壤粘粒和粉粒含量较多；免耕地土层0~5cm和5~10cm的土壤容重、坚实度和土壤水分都大于翻耕地，其中0~5cm、5~10cm和10~20cm土层土壤坚实度分别是翻耕地的4.7、2.8倍和3.8倍。

Microstructures of Mg-3Zn-xY alloys after heat-treatment indicate that dissolvability of interdendritic phases in Mg-3Zn-xY alloys increases, second phases are passivated, and hardness grows up while temperature of solution treatment rises, gradually, the second phase of alloys coarsens and hardness decreases obviously when temperature of solution treatment is up to 550℃.

热处理后的显微组织显示，随着固溶温度的增加，Mg-3Zn-xY合金的晶间组织溶解程度不断增大，第二相逐渐钝化，硬度升高；当固溶处理温度达到550℃时，第二相明显粗化，合金的硬度下降。

The hardness of HSS roll was over 66 HRC, the depth of hardened layer excesses 30 mm, the variation of hardness in the roll surface was smaller than 1.5 HRC, and the wear resistance of HSS roll was better than that of high chromium cast iron roll and high nickel chromium indefinite hilled cast iron roll, close to that of powder metallurgy hard alloy roll.

研制出的高速钢轧辊硬度超过66HRC，淬硬层深度超过30mm，辊面硬度差小于1.5HRC，耐磨性优于高铬铸铁和高镍铬无限冷硬铸铁轧辊，接近硬质合金轧辊。

Accessions of the Yunnan Hulled Wheat were used to analyze grain hardness and their single-kernel hardness frequency distribution by Single Kernel Characterization System.

为了明确云南铁壳麦亚种在小麦品质改良中的作用，用单籽粒谷物硬度测定仪对36份云南铁壳麦的籽粒硬度及其单籽粒硬度的频率分布进行了分析。

But in the course of internationalization, they meet with misunderstanding and puzzlement.

许多企业已经意识到了这一点，但在国际化的进程中，仍存在一些误区与困惑。

Inorder toaccomplish this goal as quickly as possible, we'll beteamingup with anexperienced group of modelers, skinners, and animatorswhosenames willbe announced in the coming weeks.

为了尽快实现这个目标，我们在未来数周内将公布与一些有经验的模型、皮肤、动画制作小组合作。