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In the collembolan community, Sinella, Onychiurus, Isotomurus are the dominance species, the frequencies are 37.26%, 31.6%,and 21.23%, respectively.2.In the agricultural ecology of Fuyang, the dominant species are Collembola and Acari. Their frequencies are 66.37% and 16.72%, respectively. Liposcelididae, Ceratopogonidae, Chironomidae, Staphylinidae, Nematoda, Enchytraeidae are common species.

弹尾目昆虫对重金属污染的反应,不同的种之间有很大的差别,其中,裸长角属对Cu污染反应不灵敏,陷等属、棘属对Cu污染反应敏感,随着污染程度的加剧,它们的数量明显减少;小等属和长属对Cu、Zn、Cd、Pb等重金属元素的复合污染反应很敏感,而裔符属、球圆属、土属、圆属和鳞长属对重金属复合污染反应很迟钝,在这些重金属复合污染严重的农田中仍能很好地生存繁衍。

Pentosaceus. These four bacteriocins showed the highest antibacterial activity under acidulous and neutral conditions. The bacteriocin-producing strains inhibited most of related lactic acid bacteria. The bacteriocins produced by strains L. acidophilus Ind-1 and P.

戊糖片球菌产生的细菌素对木瓜蛋白酶敏感,而其它三种细菌素对这种蛋白酶稳定。pH稳定性研究表明,在弱酸性或中性条件下,这些细菌素表现出较高的活性。

A new digital measure method was presented based on the three coordinate measuring machines. Compensation of sensor radius, establish part's measure reference frame, the best measuring layout and mix programmed scanning all those not only enhance measure precision and increase efficiency of scanning measure, but also the data can image geometrical characteristic of complex surface. The method was illuminate by a sample, and the digital data of the surface adumbration are obtained at last

在三坐标测量机的基础上给出了一种数字化测量曲面轮廓的方法,通过测球半径的补偿、坐标系的建立、最佳测量路径的规划以及混合编程扫描,提高了测量精度及扫描测量的效率,而且采集到的数据可以反映曲面的几何特征,并以实例对该方法进行说明,得到了数字化的曲面轮廓数据。

Methods The dot immunogold filtration assay kit was developed and potato agglutinin was applied to blot blood quickly.

摘要目的?摇建立一种检测全血标本的棘球蚴病现场快速诊断方法。

Red globose alga is actually a kind of green alga, which can be used as feedstuff.

红球藻实际上是一种绿藻,它可以用来做饲料。

A spray coagulation method was developed for the preparation of large scale of porous alginate microparticles.

报道了一种适合于放大规模的制备多孔隙的海藻酸微球的方法-喷雾-凝聚法。

A measurement pool is made by hanging a pair of nitrogen-filled small glass balls in non-homogenous magnetic field. The angle signal of the dumbbell ball torsion is magnified using light lever. In order to enhance the sensitivity and accuracy, CCD is used to probe the light signal spot. According to the magnetic susceptibilities of NO and NO2, the influences of these two gases on the analyzer are analyzed, and the application environment for the oxygen detector is discussed.

通过在非均匀磁场悬挂一对充氮玻璃小球构成测量池;采用光杠杆对哑铃球扭转的角度信号进行放大,由CCD对光点位置信号进行探测,以提高分析仪灵敏度和精度;由NO、NO2的磁化率特性分析这两种气体对分析仪的影响,说明测氧仪的应用环境。

Herein, a self-assembly system with polymer pattern of lower molecular weight polyaerylie acid have been built up, in which some nanosized complex was synthesized, including nanosphere of Pb-PAA, one-dimensional nanorod of CuS-PAA and PbS-PAA, one-dimensional helix nanochain of PbSO4-PAA, and one-dimensional reticulate nanofibres of PbCr2O7-PAA. The mechanism was discussed preliminarily, the important action of the bone angle torsion as well as the ""contact bridge"" served by ion in the course of self-assembly was proposed for the first time.

本文以低分子量聚丙烯酸为高分子模板构建自组装体系,首先合成了几种特殊形态的纳米配合物,包括纳米微球Pb-PAA、一维纳米棒CuS-PAA和PbS-PAA、一维螺旋纳米链PbSO_4-PAA及一维有序纳米纤维网络PbCr_2O_7-PAA,初步讨论了该自组装体系的合成机理,首次提出了键角张力和分子的"搭桥"作用在自组装过程中的作用。

I am for the art of underwear and the art of taxicabs.

我追求一种艺术,内衣裤和出租车的艺术,我追求一种艺术,冰激淋球掉落在地上,我追求那种宏大的艺术,狗粪堆积得像一座教堂。

The spore germination rate, growth, sporulation and extracellular protease of Beauveria bassiana HFW-05 were investigated with 14 carbon sources and 11 nitrogen sources in media without any carbon and nitrogen nutrition.

在基础培养基中添加14种碳源和11种氮源测定,球孢白僵菌HFW-05菌株的萌发率、生长速率、产孢量及胞外蛋白酶活性。

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The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。

The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.

聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力