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The susceptibilities of the 3th instar larvae of Spodoptera litura fed on diets treated with nicotine and rutin to AucaNPV, fipronil and spinosad were studied. The activities of CarE and GSTs in different treated cutworms were also tested. The results showed that the nicotine enhanced significantly the susceptibility of Spodoptera litura to insecticides, and the susceptibility enhanced as the nicotine concentration in the diets increased.

以在人工饲料中添加植物次生物质的方法,研究了取食不同含量烟碱、芸香苷的斜纹夜蛾Spodoptera litura 3龄幼虫对银纹夜蛾核多角体病毒、氟虫腈及多杀菌素的敏感性,同时测定了各处理组幼虫体内羧酸酯酶和谷胱甘肽转移酶的活性。

The effects of pre-picking exogenous hormones treatments, ambient temperature treatments and postripening treatments on the changes of flavone percentages in Ginkgo exocarps during postripeness were studied. The relationship between the changes of flavone percentages and respiration intensity, cell permeability, pectin methy-lesterase, polygala-cturonase activities were also discussed.

该文研究了不同采前激素处理、不同后熟温度条件以及不同的堆沤与水沤方法对银杏外种皮采后后熟过程黄酮含量变化的影响,并对黄酮含量与后熟过程呼吸强度、多聚半乳糖醛酸酶活性、果胶甲酯酶活性、细胞膜透性变化的相关性进行了探讨。

Wood fiber was used as a filler in low density polyethylene.

研究了用改性钛酸酯类偶联剂TC-POT、TC-PBT处理木纤维和接枝氰乙基改性木纤维对低密度聚乙烯/木纤维复合材料力学性能的影响。

The lead in waste gas was treaded with microwave digestion and acid digestion,then determined by flame atomic absorption spectrum.

分别使用微波消解方法和传统的酸煮法对含铅滤筒进行前处理,采用火焰原子吸收法测定废气中的铅。

Methods Thirty-two male KunMing mice were randomly divided into 4 groups,which included normal control group,homocysteine diabetes group,soybean isoflavone group,soybean isoflavone and folacin group.

雄性健康昆明小鼠32只,随机分为正常对照组、高同型半胱氨酸糖尿病组、大豆异黄酮组、大豆异黄酮加叶酸处理组各8只。

A process of dosing 98% sulfuric acid into a neytralization tank built at the outlet of the ash ground of a heat & power plant was decided based on a study on the acid-neutralization treatment of the ash-bearing wastewater from the heat and power plant.

通过对热电厂冲灰水加酸中和处理方案的研究,确定了在灰场排放口建中和池投加98%H2SO4的工艺流程。

Moreover, we substituted potassium carbonate and Raney Ni for some expensive reagents. We made progress in the basic work of synthesization of ethyl pyruvate p-nitro-phenylthydrazone and indol. Through above improvement, the simple and convenient process with lower costs make it appropriate to be used in the industrial production.

在实验过程中,我们改进了羧酸与仲胺的缩合条件,使产率可达到90%以上,用碳酸钾和Raney Ni或Pd/C代替了昂贵的进口试剂的使用,改进了合成苯腙和吲哚的后处理方法,使整个合成路线的收率提高,成本降低,操作简单,更适合工业化的要求。

Maize and Potato starch were treated with 2 4mol/L hydrochloric acid at 35℃ for different times.

玉米淀粉和马铃薯淀粉分别在 35℃条件下用浓度为 2 。4 mol/ L的 HCl处理不同时间,采用 X射线衍射分析、差热分析和扫描电镜等测试方法对酸解后的淀粉颗粒进行结构和性能分析。

Experts believe the project with the traditional lead-smelting technology, has the following characteristics: First, the smelting process to adopt internationally advanced level of oxygen blowing at the end of smelting - to restore the blast furnace method, the use of lead refining electrolysis ; Second, the use of sulfur dioxide gas double-absorption acid technology, the production of domestic water use of recycled water sewage treatment process; Third, the use of waste heat for power generation, waste to make full use of energy reduces energy consumption; Fourth, the high level of automation, low power consumption , Investment, raw materials adaptable, comprehensive recovery rate of high-quality products.

专家认为,该项目与传统炼铅工艺技术相比,具有以下特点:一是冶炼工艺采用具有国际先进水平的氧气底吹熔炼-鼓风炉还原法,铅精炼采用电解法;二是二氧化硫烟气采用两转两吸制酸工艺,生产生活用水采用循环水污水处理工艺;三是利用余热发电,充分利用废弃能源降低了能耗;四是自动化水平高、能耗低、投资省、对原材料适应性强、综合回收率高、产品质量好。

A method for the mercury thiocyanate spectrophotometric determination of chlorine in ore samples was reported in this paper. The sample was sintered with zinc oxide-sodium carbonate and then leached with water.

中文摘要:岩石样品经氧化锌-碳酸钠烧结预处理,用水浸取后澄清,取清液用硫氰酸汞间接分光光度法进行氯的测定。

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推荐网络例句

The labia have now been sutured together almost completely.The drains and the Foley catheter come out at the top.

此刻阴唇已经几乎完全的缝在一起了,排除多余淤血体液的管子和Foley导管从顶端冒出来。

To get the business done, I suggest we split the difference in price.

为了做成这笔生意,我建议我们在价格上大家各让一半。

After an hour and no pup, look for continued contractions and arching of the back with no pup as a sign of trouble.

一个小时后,并没有任何的PUP ,寻找继续收缩和拱的背面没有任何的PUP作为一个注册的麻烦。