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The results were as follows:the mass fractions of the mineral nutrient elements in a part of the orchard plants were out of balance,especially the mass fractions of some trace elements such as B, Cu, Fe in the plants were higher; in the soilsof most orchards, the problems such as stronger acidity, higher mass fractions of readily available P, lowermass fractions of exchangeable base and lower mass fractions of available trace elements werefound.

结果表明，部分果园植株矿质营养元素质量分数存在失衡现象，尤其是植株的B、Cu、Fe等微量元素质量分数偏高。大多数果园土壤存在土壤酸性强、速效P质量分数高、交换性盐基质量分数低的问题，较多的果园土壤微量元素有效态质量分数偏低。

The result of X-ray diffraction analysis showed that Ni-Fe-Cr alloy is characterized by face-centered cubic crystal structure.

Ni–Fe–Cr合金的电沉积研究也被广大学者所关注[1-11]，通常是以铜作为研究基体。

Based on the calculation of the energies for Fe〓Ni, FeNi and FeNi〓 three ordered structures, it can be predicted that FeNi〓 is the most stable phase.

对Fe〓Ni、FeNi和FeNi〓有序相的能量计算表明，FeNi〓有序相最稳定。

Centrifugall separation self-propagating high-temperature synthesis is apphed to prepare a new type of Fe-Cr-Ni-Al2O3 intermetallic compound ceramic-lined composite pipe with FeNi alloy transition layer.

采用离心分离自蔓延技术，制备出了一种新型的具有FeNi舍金过渡层的Fe-Cr-Ni-Al2O3金属间化合物梯度复舍管。

Corrosion resistivity in Hank's artificial body fluid, compression strength and hardness for heterogeneity Ti-Fe-Mo-Mn-Nb-Zr alloys were investigated.

摘 要：研究了不同成分的Ti-Fe-Mo-Mn-Nb-Zr合金的压缩强度、硬度及其在Hank's人工体液中的耐腐蚀性能，得到了高压缩强度、硬度与牙本质相近的钛合金。

Fig. 4 The viscosity of the Fe/SiO2 magnetic fluids as a function of magnetic flux

磁感应强度图4。 Fe/SiO2磁流体粘度随磁感应强度的变化情况

Cu Fe composite,powder metallurgy,friction and wear

中文关键词： Cu-Fe复合材料，粉末冶金，摩擦磨损

Copper-base sprayed welding alloy is produced by adding B, Si, Ni, Mn, Al, Fe and P into the copper base, which has sound heat conduction or electricity conduction performance, being antirust, with low frictional coefficient and sound adhesive friction wear resistance, easy for cutting and being smooth.

铜基喷焊合金，是在铜基体中加入B、Si、Ni、Mn、Al、Fe、P等合金元素制成的，具有良好的导热，导电性和耐蚀性，摩擦系数低，耐粘着摩擦磨损性能优良，易切削，光洁度高。

The oxidation resistance of three kinds of Fe-Cr based heat-resisting steel at 1250℃ was analyzed and studied using XRD, SEM and EDS techniques.

采用X射线衍射、扫描电镜及能谱分析等方法对三种Fe-Cr基耐热钢在1250℃的抗氧化性能进行了分析和研究。

The result indicates that the potential-pH equilibrium diagram, solution's practical pH and metal corrosion's measured potential at corresponding temperature must be used when potential-pH equilibrium diagram is used. And also the potential-pH equilibrium diagram in Fe—H〓O system at different temperature is gathered and classified. According to thermodynamics data, the relation equation of water ionization equilibrium constant K〓 and of ammoniac equilibrium constant K〓 to temperature T is respectively derived.

二、高温电位-pH平衡图的应用与高温溶液实际pH值的计算对高温电位-pH平衡图的应用方法和溶液的高温实际pH值进行了分析和计算，指出在用电位—pH图进行分析时，必须使用相应温度下的电位—pH图、该温度下溶液的实际pH值和金属腐蚀电位测量值，并对各种温度下Fe—H〓O体系的电位－pH图进行了收集归类。

By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.

到它被攻陷的时候，里面多数的犯人是写了反对政府贪污文章的作家。

The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.

在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色，卵在发育96h后卵基本全部孵化。