阳离子

The intermixture of positive ion surfactant Cetyltrimethyl Ammonium Bromide and zwitterion surfactant N,N-C12BE was used to modify the natural zeolite. Correlative parameters of modified zeolite adsorbing Cr and phenol from wastewater were studied.

摘 要：用阳离子表面活性剂十六烷基三甲基溴化铵与两性离子表面活性剂 N，N-二甲基十二烷基甜菜碱复配的混合表面活性剂对天然沸石改性，研究了改性沸石吸附废水中 Cr 和苯酚的相关参数。

Xylostella. The synergism ability with dipping method l4as more obvious than with contact and stomach method. Among the six adjuvants, copper abietate, 1427 and 412103 had 3.71, 2.82 and 2.72-fold synergism ratio, respectively.

结果表明：在400mg/L以下，各阳离子助剂单独使用对小菜蛾3龄幼虫均无生物活性，但可明显提高阿维菌素对小菜蛾的药效。

Be able to ionization happened in molecule or atom in atmosphere under machinery , brightness , static electricity , chemistry or biological energy source effect, whose outer layer electron abjunction atomic nucleus, these lose the electronic molecule or the atom is called the positive ion or the positive ion with positive charge , us.

大气中的分子或原子在机械、光、静电、化学或生物能作用下能够发生电离，其外层电子脱离原子核，这些失去电子的分子或原子带有正电荷，我们称为正离子或阳离子。

The hotspot in chitosan study is to increase its solubility and the adsorptive capability of Cu.

壳聚糖是一类带阳离子的动物纤维素和自然界唯一天然碱性多糖(图1)。

As an amine and organic cation, agmatine also has much more targets in vivo like the NMDA receptor.

它作为一种阳离子胺类物质，除了咪唑啉受体外，在生物体内还存在多个作用靶点，NMDA受体是其中最重要的作用靶点之一。

Saline soils and the rice paddy soils developed on saline soil.were sampled from Zhenlai county of Jilin Province in this paper.The main alkalize characteristic parameters,including pH,cation ex- change capacity,exchangeable Na~+,exchangeable sodium percentageand the content of wa- ter-soluble salty,were measured.

本文中的土样采自吉林省镇赉县，在盐碱土的典型区域，选择了未开发利用的盐碱土和在盐碱土基础上开发为稻田土壤的剖面，测定计算了土壤 pH 值、阳离子交换量、交换性 Na~+、碱化度和水溶性盐总量等主要碱化特征参数。

Using N, N-dimethyl-ethylenediamine as cationic substitute and 2-hydroxyethyl methacrylate or allylamine as co-substitute, a kind of pH-sensitive polyorganophosphazenes bearing unsaturated side group was prepared.

以N，N-二甲基乙二胺为阳离子型取代基，甲基丙烯酸羟乙酯或烯丙胺为共取代基，制备了同时带有pH响应性侧基和不饱和双键侧基的聚膦腈。

The substance with a molecular weight of 6.28kDa has very strong cation character determined by the electrophoresis of diaphragm wafer of fiber of acetic acid. The substance with antibacteria action obtained from forest frog is made up of alanine,aminoacetic acid,leucine,Isoleucine,Proline,aminoglutaric acid,threonine,Serine,lysine.

纯化林蛙皮肤中的抗菌活性物质经醋酸纤维薄膜电泳，表明其具有较强的阳离子特征；经氨基酸分析，表明林蛙皮肤抗菌活性物质是由丙氨酸、甘氨酸、亮氨酸、异亮氨酸、脯氨酸、中国林蛙皮肤抗菌肽的分离纯化和鉴定一摘要谷氨酸、苏氨酸、丝氨酸、赖氨酸组成。

The experiment was in progress in dyadic foam of intermittence flotation tower,to the positive ion type,the negative ion type,type and amphiprotic type,etc.

结果：泡沫浮选法去除废水中铬离子的表面活性剂，阳离子型和非离子型表面活性剂效果最差，阴离子表面活性剂效果最好。

Depending on the machine's design, either an anionic or cationic detergent is used.

根据对机器的设计，无论是一阴离子或阳离子洗涤剂的使用方式。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。