trace的例句（trace在句子中的用法）

• The trace element contents are rich , too . These results provide basic data for utilizing scallop hepatopancreas. 这些结果为扇贝加工后下脚料的利用, 提供了基础资料.
• Gadolinium - diethylenetriaminepentaacetate - bismethylamide ( Gd - DTPA - BMA ) was delivered intravenously as contrast agent to trace the blood labyrinth barrier change. 静脉注射T1增强剂Gadolinium-diethylenetriaminepentaacetate-bismethylamide ( Gd-DTPA-BMA ) 作为血迷路屏障的示踪剂.
• Mercury fulminate may contain trace of mercuric oxalate. 雷汞中可能含有微量的乙二酸汞.
• Figure 3 : trace loss with FR - 4 and Roger dielectrics. [图3:FR-4与罗杰的绝缘损耗轨迹表].
• A spectrophotometric method for the determination of trace boron in ferrosilicon alloy was proposed. 建立了蒸馏分离-姜黄素光度法测定硅铁合金中痕量硼的方法.
• It was horrible , fenceless and vast , without a trace of green. 这是一片可怕的 、 无边无缘的、杳无人烟的土地.
• There was a trace of exasperation in his voice. 他的声音听上去有些愤怒。
• It is testified that the depolymerized products are terephthalic acid ( TPA ), ethylene glycol ( EG ) and trace diethylene glycol ( DEG ). 解聚产物为对苯二甲酸 ( TPA ) 、 乙二醇 ( EG ) 和少量的二甘醇 ( DEG ).
• A synthetic element produced in trace quantities by helium isotope bombardment of curium. 锎一种合成元素,由氦同位素轰击锔可得到微量的这种元素.
• Luckiness: trace under the closestool looking like a skid mark. 幸运: 马桶底部留下类似急刹车的痕迹.
• Only people who can trace their family history in Kuwait back before 1920 are entitled to citizenship. 只有其在科威特的家族史可以追溯到1920年以前的人才能获国籍。
• Objective and compare the contents of trace elements the seed and sprout of Desi chickpea. 目的:分析比较迪西类型鹰嘴豆和鹰嘴豆芽微量元素含量.
• Update and amend operation procedure . Deviation investigation . Discuss and trace the implementation of CAPA. 改进和完善操作流程,调查偏差情况,组织讨论和跟踪CAPA的执行.
• A BCO spectrophotometric method has been applied to determination of trace copper in aluminium power. 介绍了用BCO分光光度法对铝粉中微量铜的测定.
• Some Australopithecus molars show no trace of microscopic cracks that hard foods should create. 一些南方古猿的磨牙看不出坚硬的食物会留下的显微裂缝的痕迹.
• We must trace the source of these noxious gases before they asphyxiate us. 在我们被这些有毒气体窒息之前,必须查出其来源.
• A perfect continuous curve of flowing trace was drawn with data from ARGOS service centre. 用从ARGOS服务中心索取的资料,描绘了一条连续完整的流迹曲线.
• The organic affinity of trace elements decreases further in anthracite. 到无烟煤阶段,有机态微量元素含量进一步降低.
• Areliable method for the determination of trace amitraz in tea by gas chromatography was presented. 研究应用气相色谱法测定茶叶中痕量双甲脒残留物的分析方法.
• Using tendo - tetrahydrodicyclopentadiene as raw material and AlCl _ 3 - trace water system as catalyst, adamantane was synthesized by two steps. 以AlC l3微量水的催化体系研究了桥式四氢双环戊二烯通过两步法反应合成金刚烷.