最新研究显示,蚊子对常用的驱蚊剂——驱蚊胺(DEET)的不敏感性能够通过基因传递给子孙后代。
Mosquitoes that have an insensitivity to the popular bug repellent DEET can pass that genetic trait on to their offspring, new research shows.
应用结果表明,该检测方法对非法篡改具有高度敏感性和优秀的数据篡改检测性能。
Applied results demonstrate that this method has highly sensitive to intentional tampering and outstanding detection performance for data tamper detection.
我最喜欢的传统GLX竿子在敏感性和性能中有卓越的平衡点。
One of the things I like most about traditional GLX rods is their exceptional balance of sensitivity and performance.
由于求逆算子的敏感性,估计结果中小的误差也可能造成均衡器性能的显著损失。
Due to the sensitivity of inversion operator, minute errors in the estimation can incur considerable equalization performance degradation.
摘要:研究了不同湿度条件下A 5083铝合金焊接气孔的敏感性,并讨论了气孔对焊缝力学性能的影响。
Abstract: Study on the sensitivity of stomatal A5083 Aluminum Alloy under different humidity conditions of welding, and the effects of porosity on the mechanical properties.
较强的利率调控敏感性能够促进社会资金的优化配置。
The stronger sensibility to the adjustment and control of the interest can promote the optimum allocation of the social funds.
点接触齿面的接触点位置对安装误差的敏感性是衡量齿面传动性能的一个重要指标。
The error sensitivity of contact position of point-contact tooth surfaces with respect to the mounting errors is an important index to evaluate the gearing performance.
在非常好的CMI150结构基础上,CMI153用增强的性能和优越的基质敏感性传送测量探针。
Built upon our highly successful CMI150 architecture the CMI153 delivers an improved measurement probe with enhanced performance and superior substrate sensitivity.
对ERT系统的多种激励模式作了介绍和特性比较,主要从敏感场的敏感性和发散性两个指标衡量各种激励模式的性能。
Various exciting modes of ERT system are introduced and compared in characteristics, and the performance of each mode is mostly judged by the sensitivity as well as the divergence of sensing field.
以液压缸最小受力为目标函数,分析各铰链点坐标对机构性能的敏感性。
Taking the minimum force of the hydraulic pressure jar as the objective function, we analyze the sensitivity that each hinge point has on property.
分析了不同形式节点的承载性能和延性特征,总结了不同节点构造对节点脆性破坏的敏感性。
The moment resistance and ductile behavior of these specimens are analyzed, and the sensitivity to fracture failures is assessed.
含镍粉末钢是硬质相与软质相的非均质混合物,可减低粉末钢对缺口的敏感性,改善力学性能。
The Ni P/M steel are mixtures of soft phase and hard phase, hence improving the mechanical properties by reducing the susceptibility of breach.
微合金元素钒的加入有利于钢筋强度与塑性综合提高,降低钢筋应变时效敏感性,提高钢筋高应变低周疲劳性能。
The accession of vanadium has shown a great effect on improvement of coordination between strength and ductility, sensitivity to strain aging and high strain and low cycle fatigue property.
采用适当的混合比例调制的可降解混合基础油,可以保持合成基础油的高性能、对添加剂的相容性能和敏感性。
The biodegradible mixed base oil, with appropriate proportion, could keep the high property of the synthesized base oil, compatibility and sensitivity to additives.
高氮低镍不锈钢具有良好的强度、延展性及耐腐蚀性能,且可以降低晶界的腐蚀敏感性。
High nitrogen and low nickel stainless steels exhibit attractive properties as high strength and ductility, good corrosion resistance and reduced tendency to grain boundary sensitization.
结果表明BPAA具有很强的荧光强度,而且其荧光性能对环境的敏感性较低。
The results showed that BPAA had a strong fluorescence intensity and the fluorescence property of BPAA had small sensitivity to circumstances.
本文使用溶胶—凝胶技术制备一种新型的同时具有酶催化性能和光敏感性能的多功能光纤生物传感材料。
In this thesis, we use sol-gel method to prepare a new kind of multifunctional fiber optic biosensing materials that have the performance of enzyme catalysis and photo-sensitive synchronously.
作为改善传感器性能的另一个尝试,本文还研究了水热预处理纳米粉对厚膜气敏传感器敏感性能的影响。
For exploiting a new route of improving the gas sensing performance of sensors, the effect of hydrothermal pre-treatment on the gas sensing properties has also been studied.
试验结果表明,该钢具有优异的焊接性能、较低的焊接冷裂纹敏感性和良好的耐大气腐蚀性能。
The results show that the steel has superior weldability, low cold-cracking sensitivity and good weather corrosion resistance.
利用口模拉伸工艺制备的取向聚乙烯的力学性能具有高度热敏感性,材料的热收缩率很高,且收缩时具有一定的收缩力。
The mechanical properties of such oriented PE were rather sensitive to the process temperature, and the thermal shrinkage of the material was also high.
舞钢研制开发的调质钢wh80 Q具有高强度、良好的低温冲击韧性、抗层状撕裂性能、较低的时效敏感性系数。
The quenched and tempered steel WH80Q offers high strength, excellent low temperature impact toughness, lamellar tearing resistance and lower aging sensitivity factor.
研究了纯镍铸铁焊条冷焊时,稀土金属镧、铈、镨、钇及钕对焊缝热裂纹敏感性的影响规律,并分析了铈对焊接接头力学性能和加工性能的影响。
The influence of Lanthanum, Cerium, Yttrium, Praseodymium and Neodymium on weld hot cracking susceptibility of the pure nickel electrode used for cold welding of cast iron was studied.
结果表明,TCS钢具有良好的抗冷裂敏感性和抗结晶热裂敏感性能。
The results showed that TCS steel had good cold cracking resistance and crystal hot cracking resistance.
反之,分维数大的颗粒系统剪切应力小,系统的流动性能好,敏感性强。
On the contrary, as for the system with larger fractal dimension, the shear stress is smaller, the fluid is good and sensitivity is strong.
结果表明BPAA具有很强的荧光强度,而且其荧光性能对环境的敏感性较低。
The results showed that BPAA had a strong fluorescence intensity and the fluorescence property o…
第二部分是湖南土壤酸缓冲性能和酸敏感性研究。
The second part is a study on the soil acid-buffer ability and the soil acid-sensitivity in Hunan Province.
结果表明:新指标能很好的评价改性沥青的高温、低温和温度敏感性能,路孚8000对沥青各项性能改善明显。
Results indicated that new indexes can appraise the performances of modified asphalt effectively and Lufu8000 is a preferable additive.
为了制备具有pH敏感性能的壳聚糖,本文采用将磺胺二甲氧基嘧啶(SDM)作为pH敏感基团接枝到壳聚糖上。
To make chitosan having PH sensitivity, in this paper chitosan was grafted by sulfadimethoxypyrimidine (SDM) which is a pH sensitivity group.
为了制备具有pH敏感性能的壳聚糖,本文采用将磺胺二甲氧基嘧啶(SDM)作为pH敏感基团接枝到壳聚糖上。
To make chitosan having PH sensitivity, in this paper chitosan was grafted by sulfadimethoxypyrimidine (SDM) which is a pH sensitivity group.
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