查询词典 negative complex

Mercury was preconcentrated by online formation of mercury diethyldithiocarbamate complex and absorption of the resulting neutral complex on the inner walls of a knotted reactor.

Hg2+与DDTC在线形成Hg2+DDTC络合物并吸附在KR内壁上，采用电磁感应加热技术，用20% HNO3在线加热洗脱并氧化预富集于KR内壁上的Hg2+DDTC。

What's more, this kind of bonding is more stable than the acid-base complex formed by free protonic acid, particularly the coordinate complex is the most stable which formed by the center of transition metal positive ion.

它比游离态的质子酸形成的酸碱化合物更稳定，特别是以过渡金属阳离子为中心的配位络合物最稳定。

Complex (2) through the dissociated pyromellitic acid hydrogen bonding between the ligand and the phen ligand stacking interaction between the formation of a 3D supramolecular structure, but the complex (3) is only through the phen ligand between the stacking structure of the formation of 3D supramolecular structure.

配合物(2)通过游离的均苯四甲酸配体之间的氢键作用和phen配体之间的，π-π堆积作用形成了3D超分子结构，而配合物(3)则只是通过phen配体之间的π-π堆积作用形成3D超分子结构。

A half-sandwich complex (N1) with pendant quinolyl group was successfully synthesized. The 〓HNMR spectrum indicated that the nitrogen atom was coordinated to the titanium center in this complex in solvent.

成功地合成了一个侧链含喹啉基的半夹心茂钛络合物，〓HNMR显示此络合物上的N原子与钛金属中心配位。

Biology has a large number of species and biological phenomena is very reticula,so biocomplexity system is also known as "complex giant system",which has the most complex complexity in all complexity systems.

生物种类繁多，数量庞大，生命现象十分错综复杂，所以生物复杂系统也是可以被誉为&复杂巨系统&，是所有复杂系统中复杂性最强的一类。

The high melt strength material has a dynamic complex viscosity greater than, or equal to, 175,000 Poise (17,500 Pa-s), measured using parallel plate rheometry at 1 radians per second and 190 degrees Centigrade, and the high flow material has a ratio,*/td, less than 2500, where * is the dynamic complex viscosity and td is the tan delta, both measured at 1 radian per second at 190 degrees Centigrade.

高熔融强度材料具有大于或等于175，000泊(17，500Pa-s)的动态复数粘度，该粘度数值是在190摄氏度、1弧度/秒条件下使用平行板流变仪测得的，并且高流动性材料的η*/td比值小于2500，其中η*为动态复数粘度，td为δ的正切值，二者均在190摄氏度、1弧度/秒的条件下测得。

The damage of rocklike materials is complex. Some mechanical model can provide satisfactory results under simple loading. A few of models (Dragon's, etc) may describe the damage evolution of quasi-brittle materials in the condition of complex loading.

Dragon等人基于不可逆热力学框架建立的准脆性材料的各向异性弹性损伤模型，可以较好地描述岩石类准脆性材料在复杂加载路径下的的应力应变响应和损伤演化过程。

Complex 6 is a tetra-nuclear nickel complex of Schiff base derived from salicylaldehyde and β-amino acid.

本论文中合成和表征了六种-β氨基酸铜西佛碱配合物。

Hydrogeologic unit of sandrock in -708m level is divided three units: one is complex, one is less complex and the other is simple.

本文对-708m水平砂岩水水文地质块段进行了划分，共划分为三个块段：Ⅰ块段复杂、Ⅱ块段较复杂、Ⅲ块段简单。

The results showed that the blending system could form surface gel and internal spumescent char layer to achieve flame retardant properties.The flame retardant properties of flame resistant PA6 contenting TPMP/MA complex system were studied by LOI,UL-94 and cone calorimeter tests.The results showed that the LOI value of PA6/17%MA system was 27.2,and the LOI value of PA6/4%TPMP/13%MA system was 28.6.The UL-94 test was V-0 level.The flame retardant mechanism analysis indicated that the TPMP/MA complex system could form thick intumescent char layer to execute the flame retardant functions both in the condensation phase and the gas phase.

将阻燃剂TPMP、MA复配后添加到PA6中，通过采用LOI、垂直燃烧及锥型量热仪研究了体系的阻燃性能，PA6/17%MA体系的LOI值为27.2，PA6/4%TPMP/13%MA体系的LOI值达到了28.6；上述体系的垂直燃烧性均为V-0级，对阻燃机理的分析表明，TPMP与MA复配应用时，可形成膨胀的较厚炭层，在气相和凝固相共同发挥阻燃作用。

Objective:To compare the response control and attention of Schizophrenic patients with that of the healthy controls by Integrated Visual and Auditorycontinuous performance test. To quantitate the impairment of cognitive function in patients, and to explore the relationship between cognitive function and the severity of the disorder.

目的：探讨精神分裂症病人在IVA持续操作测试中的反应控制能力、注意力等，并与健康人进行比较，从而量化精神分裂症病人的认知功能损害，并进一步探讨其认知功能与疾病严重程度的关系。

Main effective factors including subcooling degree, mechanical vibration, gas hydrate reformation, environment temperature, noncondensing gas and surfactant are analyzed.

指出过冷度、机械振动、重复生成水合物、环境温度、不凝性气体、添加剂是影响气体水合物生成的主要因素，还对R152a水合物的放冷进行了实验研究。