摘要：【中文】本发明属于化学元素检测技术领域，提供了一种基于原子吸收光谱检测尘泥中锌的方法，原子吸收光谱法检测干扰少，准确度高，检测限低，检测速度快，可以通过稀释的方法检测更高含量的样品，适合用于检测尘泥类成分较复杂的样品。本发明能够简化尘泥中锌元素的检测手段，减少检测所用试剂，提高效率，是一种简单高效的检测方法。 【EN】The invention belongs to the technical field of chemical element detection, and provides a method for detecting zinc in dust mud based on atomic absorption spectroscopy, wherein the atomic absorption spectroscopy has the advantages of less detection interference, high accuracy, low detection limit and high detection speed, and can be used for detecting samples with higher content by a dilution method, and is suitable for detecting samples with more complex dust mud components. The method can simplify the detection means of the zinc element in the dust and mud, reduce the reagents used for detection, and improve the efficiency, and is a simple and efficient detection method.

摘要：【中文】本发明属于钢产品性能测试技术领域，具体提供了一种高速拉伸试验数据曲线处理方法，包括如下步骤：步骤1)制作高速拉伸试样，所述的试样的平行段要尽量窄，使用砂纸打磨，打磨好后在试样表面均匀地绘制网格或记号点；步骤2)对步骤1处理后的试样进行高速拉伸试验，记录该试样真应力‑真应变曲线、载荷‑位移曲线以及试样断裂时的载荷值；步骤3)拟合曲线；步骤4)验证上述系列曲线，找到符合断裂载荷的曲线。 【EN】The invention belongs to the technical field of steel product performance testing, and particularly provides a high-speed tensile test data curve processing method, which comprises the following steps: step 1) manufacturing a high-speed tensile sample, wherein the parallel section of the sample is as narrow as possible, the sample is polished by using sand paper, and after polishing, grids or mark points are uniformly drawn on the surface of the sample; step 2) carrying out a high-speed tensile test on the sample treated in the step 1, and recording a true stress-true strain curve, a load-displacement curve and a load value of the sample when the sample is broken; step 3), fitting a curve; and 4) verifying the series of curves to find a curve conforming to the fracture load.

摘要：【中文】本发明公开了一种低菌小麦粉的生产加工方法，属于小麦制粉领域。本发明生产方法包括：1)预处理：原粮清理后采用气调贮藏，并控温控湿；2)初清：小麦经筛理、去石、磁选、打麦和风选等工序进行初清后入净麦仓；3)采用高频振动着水结合低pH值无菌水润麦和气调润麦；4)二次清理：采用预剥皮、打麦、筛选、风选剥除部分麸皮；5)表面杀菌：采用动态循环低温等离子体和紫外照射协同杀菌；6)研磨制粉；7)筛粉：筛粉时采用臭氧熏蒸技术处理面粉；8)包装：采用活性脱氧包装对面粉进行包装。本发明方法工艺简单，绿色环保，杀菌效果显著，获得的低菌小麦粉微生物指标如下：菌落总数≤2.5×10³CFU/g，霉菌和酵母总数≤2.2×10²CFU/g，耐热芽孢总数≤60CFU/g。 【EN】The invention discloses a production and processing method of low-bacteria wheat flour, and belongs to the field of wheat flour milling. The production method comprises the following steps: 1) pretreatment: after being cleaned, the raw grains are stored by adopting air conditioning, and the temperature and the humidity are controlled; 2) initial clearing: the wheat is primarily cleaned through the procedures of screening, stone removal, magnetic separation, wheat threshing, air separation and the like and then is put into a wheat cleaning bin; 3) adopting high-frequency vibration to wet wheat in combination with low pH sterile water and air conditioningWheat; 4) secondary cleaning: pre-peeling, wheat threshing, screening and air separation are adopted to strip part of bran; 5) surface sterilization: dynamic circulation low-temperature plasma and ultraviolet irradiation are adopted for sterilization; 6) grinding to prepare powder; 7) powder sieving: when sieving flour, processing flour by adopting an ozone fumigation technology; 8) packaging: and packaging the flour by adopting an active deoxidation package. The method has simple process, environmental protection and obvious sterilization effect, and the obtained low-bacteria wheat flour has the following microbiological indexes: the total number of colonies is less than or equal to 2.5 multiplied by 10³CFU/g, total number of mould and yeast is less than or equal to 2.2 multiplied by 10²CFU/g, and the total number of heat-resistant spores is less than or equal to 60 CFU/g.

摘要：【中文】本发明属于合金钢材技术领域，涉及一种高C刀具用钢C60热轧卷板及其制造方法。按重量百分比计，由以下成分组成：C 0.59‑0.64％，Mn 0.65‑0.85％，Si 0.15‑0.30％，Al 0.010‑0.050％，Cr≤0.30％，Ti 0.015‑0.035％，P≤0.012％，S≤0.0050％，N≤0.0050％，B 0.0008‑0.0015％，余量为Fe及不可避免夹杂物。通过本工艺生产的刀具用钢C60，各项力学性能满足指标达到要求，且红硬性及切削性能优良。产品应用广泛，具有很好的经济效益。 【EN】The invention belongs to the technical field of alloy steel, and relates to a C60 hot-rolled steel plate for a high-C cutter and a manufacturing method thereof. The paint consists of the following components in percentage by weight: 0.59-0.64% of C, 0.65-0.85% of Mn0.15-0.30% of Si, 0.010-0.050% of Al, less than or equal to 0.30% of Cr, 0.015-0.035% of Ti, less than or equal to 0.012% of P, less than or equal to 0.0050% of S, less than or equal to 0.0050% of N, 0.0008-0.0015% of B, and the balance of Fe and inevitable impurities. The steel C60 for the cutter produced by the process has various mechanical properties meeting the requirements of indexes, and has excellent red hardness and cutting performance. The product has wide application and good economic benefit.

摘要：【中文】本发明属于抗酸腐蚀钢热轧卷板制备领域，涉及一种抗酸腐蚀BGNS440钢热轧卷板及其制造方法。按重量百分比计，由以下成分组成：C 0.05‑0.08％，Mn 0.45‑0.65％，Si 0.10‑0.30％，Al 0.010‑0.050％，Cr 0.55‑0.70％，Ti 0.015‑0.035％，Ni 0.10‑0.20％，P≤0.012％，S≤0.0080％，N≤0.0060％，O≤0.0030％，余量为Fe及不可避免夹杂物。采用本发明生产的抗酸腐蚀BGNS440钢生产重油、燃煤等腐蚀环境的工业结构件可大幅度提高使用寿命，减少因腐蚀造成的钢材损耗，可带来巨大的社会及经济效益。 【EN】The invention belongs to the field of preparation of acid corrosion resistant hot rolled steel coils, and relates to an acid corrosion resistant BGNS440 hot rolled steel coil and a manufacturing method thereof. The paint consists of the following components in percentage by weight: 0.05 to 0.08 percent of C, 0.45 to 0.65 percent of Mn, 0.10 to 0.30 percent of Si, 0.010 to 0.050 percent of Al, 0.55 to 0.70 percent of Cr, 0.015 to 0.035 percent of Ti, 0.10 to 0.20 percent of Ni, less than or equal to 0.012 percent of P, less than or equal to 0.0080 percent of S, less than or equal to 0.0060 percent of N, less than or equal to 0.0030 percent of O, and the balance of Fe and inevitable impurities. The industrial structural member for producing corrosive environments such as heavy oil, fire coal and the like by using the acid corrosion resistant BGNS440 steel produced by the invention can greatly prolong the service life, reduce the steel loss caused by corrosion and bring huge social and economic benefits.

摘要：【中文】本发明属于钢铁制造技术领域，涉及一种大角度晶界特厚规格X80管线钢及其制造方法。一种大角度晶界特厚规格X80管线钢，按重量百分比计，由以下成分组成：C 0.04‑0.07％，Mn 1.30‑1.80％，Si 0.10‑0.35％，Al 0.010‑0.050％，Cu 0.22‑0.45％，Ti 0.015‑0.035％，Ni 0.20‑0.40％，P≤0.010％，S≤0.0050％，N≤0.0060％，O≤0.0020％，Mo 0.20‑0.50，余量为Fe及不可避免夹杂物。应用本发明的方法该技术提高了传统X80管线钢的卷曲温度，降低了厚度方向上的温度梯度，从而降低了晶粒度梯度，抑制心部出现粗大组织，保证了组织的均匀性。 【EN】The invention belongs to the technical field of steel manufacturing, and relates to large-angle grain boundary extra-thick specification X80 pipeline steel and a manufacturing method thereof. The high-angle grain boundary extra-thick specification X80 pipeline steel comprises the following components in percentage by weight: 0.04-0.07% of C, 1.30-1.80% of Mn, 0.10-0.35% of Si, 0.010-0.050% of Al, 0.22-0.45% of Cu, 0.015-0.035% of Ti, 0.20-0.40% of Ni, less than or equal to 0.010% of P, less than or equal to 0.0050% of S, less than or equal to 0.0060% of N, less than or equal to 0.0020% of O, 0.20-0.50% of Mo, and the balance of Fe and inevitable impurities. The method of the invention improves the curling temperature of the traditional X80 pipeline steel and reduces the temperature gradient in the thickness direction, thereby reducing the grain size gradient, inhibiting the appearance of coarse structure at the center and ensuring the uniformity of the structure.

摘要：【中文】本发明属于钢铁冶金技术领域，涉及一种抗酸腐蚀管线钢X52MS热轧卷板，包含以下重量百分数的组分：C 0.03‑0.10％，Mn 0.45‑0.80％，Si 0.10‑0.30％，Al 0.010‑0.050％，Cr 0.25‑0.40％，Ti 0.015‑0.035％，P≤0.012％，S≤0.0050％，N≤0.0060％，O≤0.0040％，Nb 0.030‑0.065％，V 0.015‑0.045％，余量为Fe及不可避免夹杂物。本发明还公开了X52MS热轧卷板的制备方法，大大提高了管线钢的生产效率，降低了能源消耗生产成本，延长了使用寿命，有利于满足社会发展的需要。 【EN】The invention belongs to the technical field of ferrous metallurgy, and relates to an acid corrosion resistant pipeline steel X52MS hot-rolled coil which comprises the following components in percentage by weight: 0.03-0.10% of C, 0.45-0.80% of Mn, 0.10-0.30% of Si, 0.010-0.050% of Al, 0.25-0.40% of Cr, 0.015-0.035% of Ti, less than or equal to 0.012% of P, less than or equal to 0.0050% of S, less than or equal to 0.0060% of N, less than or equal to 0.0040% of O, 0.030-0.065% of Nb, 0.015-0.045% of V, and the balance of Fe and inevitable impurities. The invention also discloses a preparation method of the X52MS hot-rolled coil, which greatly improves the production efficiency of the pipeline steel, reduces the energy consumption and the production cost, prolongs the service life and is beneficial to meeting the requirements of social development.

摘要：【中文】本发明属于低合金高强钢及制备方法，其涉及一种集装箱罐车用钢及制备方法，确切地属于应用于低温液体集装箱罐车用钢及制备方法。采用SPA‑HG热轧卷板，其组分及重量百分比含量为：C 0.03‑0.12％，Mn 0.20‑0.50％，Si 0.20‑0.60％，Al 0.010‑0.050％，Cr 0.30‑0.85％，Cu 0.25‑0.60％，P 0.070～0.120％，S≤0.010％，Ni 0.03‑0.10％，余量为Fe及不可避免夹杂物。大幅度的提高了罐车的使用寿命，减少因腐蚀造成的钢材损耗，带来巨大的社会及经济效益。 【EN】The invention belongs to low-alloy high-strength steel and a preparation method thereof, relates to container tank car steel and a preparation method thereof, and particularly belongs to the container tank car steel applied to low-temperature liquid and the preparation method thereof. The SPA-HG hot-rolled coil comprises the following components in percentage by weight: 0.03-0.12% of C, 0.20-0.50% of Mn, 0.20-0.60% of Si, 0.010-0.050% of Al, 0.30-0.85% of Cr, 0.25-0.60% of Cu, 0.070-0.120% of P, less than or equal to 0.010% of S, 0.03-0.10% of Ni and the balance of Fe and inevitable impurities. Greatly prolongs the service life of the tank car, reduces the steel loss caused by corrosion and brings huge social and economic benefits.