查询词典 essential resistance

Therefore, it is important and maneuverable for us to choose the experimental parameters, to enhance the measured accuracy of electric resistance, and to obtain the largest sensitivity, which provide a reliable warrant for measuring the electric resistance using Wheatstone bridge.

这为用惠斯通电桥测电阻的选取实验参数、提高电阻的测量精度和获取最大灵敏度提供了依据，从而具有参考价值和可操作性。

We used wood tar as a blending agent to produce shaped activated carbon and the abrasion resistance of it is larger than 85%; the BET surface area is 1577.55m2/g. The abrasion resistance of unshaped activated carbon is 80% and BET surface area is 1789.87m2/g. The ash contents of powdered activated carbon, and unshaped activated carbon prepared by physical method are less than 0.2%; the iodine number is 1200 mg/g; the maximum 0.15% methylene blue adsorption value is 18ml/0.1g.

其中定型颗粒活性炭是用木焦油为粘合剂，最终产品的强度在85％以上，比表面积为1577.55m~2／g；实验中所制备的不定型颗粒活性炭和粉状活性炭的灰分含量不超过0.2％；碘吸附值达到1200mg／g；亚甲基蓝最高吸附值为18.0ml／0.1g。

It was found that ARA was composed of esterification products of (2-HEA)-ester with pimaric acid, dehydroabietic acid, abietic acid and two isomers of acrylpimaric acid. ARA is a good crosslinking agent which can copolymerize with most vinyl monomers. The properties of solvent-resistance and heat resistance of the copolymer were improved considerably by the use of ARA.

实验结果表明：ARA主要由海松酸、脱氢枞酸、枞酸和丙烯海松酸的二种异构体的丙烯酸－2-羟基乙基酯的酯化产物组成，ARA是一种良好的交联剂，可与大多数乙烯基单体共聚合，其与MMA的共聚物的耐溶剂性和耐热性均得到了较大幅度的提高。

Firstly, the SSH was used to isolate tissues or organs specific expression genes in different development stages of plant. These genes provide evidence for explaining the molecular mechanism of plant development. Then SSH was widely used to isolate genes related to resistance under biological or abiological stress in different plants and the molecular mechanism of the resistance was primarily elucidated.

首先， 官中的组织特异性表达的基因，为揭示植物生长发育过程的分子机理提供了有效手段；另外，在不同植物中，该技术被大量应用于分离各种生物及非生物胁迫条件下诱导表达的抗性相关基因，可以揭示植物抗逆的分子 SSH 技术已开始应用于分离与次生代谢产物合成相关的基因。

The result indicated: antibacterial concentration of inner thallus increased progressively with time prolongation when added CCCP with antibacteria, proved that multi-resistance of E.coli in livestock and avian is mediated really by active efflux system; The multi-resistant level have positive correlation with AcrAB transcription and expression level; Quantitive RT-PCR,Western-blotting and fluorescence quantitive PCR can use to detect AcrAB.these results provide theory foundation to detect and study multi-resistance of E.coli in veterinary clinic and have a important scientific significance to develop neotype antibacterials.

结果表明，多重耐药株在有CCCP 存在时，菌体内抗菌药物的浓度随时间的延长而递增，证明畜禽大肠杆菌多重耐药性确实由主动外排系统介导；其多重耐药水平与AcrAB的转录、表达水平呈现正相关；定量RT-PCR、Western-blotting、荧光定量PCR可用于AcrAB水平的检测。这些结果对检测临床大肠杆菌的多重耐药水平、对研究兽医临床大肠杆菌多重耐药机制提供理论依据，对开发新型抗菌药物有重要的科学意义。

Methods: We collected 121 of clinical isolates of Enterobacter, including 87 isolates Enterobacter cloacae, 34 isolates Enterobacter aerogenes, all of the isolates were detected by cefoxitin three-dimension test, drug resistance phenotypes estimation, cloxacillin disc synergy test and cloxacillin-potentiated disc diffusion test respectively to find high-level AmpC β-lactamase isolates, drug resistance phenotypes estimation were also used to detected high induction producing AmpC β-lactamases isolates, meanwhile, we took three-dimension test as standard method, and compared to other methods, then calculated the coincidence rates, sensitivities and specificities of them.

采用头孢西丁三维实验、纸片耐药表型推断法、邻氯西林纸片协同法、双纸片邻氯西林增效试验分别检测高产AmpCβ-内酰胺酶株，获得高产AmpC酶在肠杆菌属细菌中的表达状况。采用纸片耐药表型推断法检测诱导和高产AmpC酶，同时以头孢西丁三维实验为标准，其他三种方法与之相比较，分析它们检测高产AmpC酶的符合率、灵敏度和特异性。

Cotyledon inoculation method was used to estimate infection rate and to screen resistant and susceptive cultivars of water spinach to white rust (albugo ipomoeae-aquaticae). the results of resistance screening are (1) levels of resistance were not the same among cultivars.

利用子叶感染法，计算感病率来分辨蕹菜品系对於蕹菜白锈菌(white rust， albugo ipomoeae-aquaticae)之抗病能力的实验结果显示：(1)蕹菜对於白锈病的抗病能力随品系而异。

Arbuscular mycorrhizal fungi can significantly enhance the resistance of plants to heavy metal, and polyphosphate in the hyphae may be involved in the formation of this resistance.

丛枝菌根真菌能够显著提高植物对重金属的抗性，菌丝内聚磷酸（Polyphosphate，PolyP）可能参与了这种抗性的形成。

All will have on the blood flow resistance, while the study found that blood circulation in the main resistance comes from a small artery, arteriole.

所有的血管对血液流动都会产生阻力，而研究发现，血液循环中阻力最主要来源于小动脉、微动脉。

Light curing speed by up to 100 ~ the giant 300 m/min; and 3 with the UV glazing process on the business card printing and membership card production, color much later than other artifactitious attractiveto stays fresh and cured coatings and wear-resistant, more resistant to the drug resistance and chemical resistance, good stability, be able to wash water and ethanol; 4 to UV on volatile high active ingredients, so the relatalion province.

灯照射下固化速度可达100~300m/min； 3经UV上光工艺处理后的制卡和会员卡制作品，色彩明显较其他加工方法鲜艳亮丽，而且固化后的涂层耐磨，更具有耐药品性和耐化学性，稳定性好，能够用水和乙醇擦洗； 4UV上光油有效成分高，挥发少，所以用量省。

However it can often be frust ating for a child when people are unable to pronounce their name.

但它往往可以令人沮丧的一个孩子当人们无法断言他们的名字。

All these compounds were obtained from this genus for the first time. Compound, 4-cumylphenol, was a new nature product.

所有化合物均为首次从本属海藻中分离得到，其中4cumylphenol为新天然产物。