上标

Di-2-ethylhexyl adipate was synthesized with complex solid super acid SO(superscript 2- subscript 4)/ZrO2-TiO2 as catalyst. Effects of catalyst dosage, molar ratio of adipic acid to 2-ethyl hexanol, reaction temperature on reaction were studied.

以复合固体超强酸SO(上标 2-下标 4)/ZrO2-TiO2为催化剂合成了己二酸二（2-乙基）己酯，考察了催化剂用量、酸醇投料比和反应温度对反应的影响。

Activities can cause a very large release of DIN by virtue of excretion, burrowing, bioturbation and sediment resuspension. Developed cave in sediment and continual turnover of sediment by crab can improve an organic matter remineralization and ammonification, consequently reworking the DIN vertical profile in sediment.

蟹类活动造成的洞穴结构及对沉积物的翻动混合能增加沉积物中的氧气含量，促进沉积物中有机氮的矿化和NH(上标+下标 4)的释放，造成无机氮在沉积物中的剖面分布特征发生较大变化。

Objective To investigate the eliminating ability of catechin to eliminate O(superscript - subscript 2) and OH.

目的：研究儿茶素直接捕获O(上标-下标 2)与OH的能力。

Solid superacid SO(superscript 2- subscript 4)/Fe2O3 was prepared and used as a green catalyst to replace traditional vitriol in synthesis of cellulose acetate.

合成了固体超强酸SO(上标 2-下标 4)/Fe2O3，并将其用作浓硫酸的绿色替代催化剂进行纤维素的醋酸酯化反应。

With the catalyst TiO2/SO(superscript 2- subscript 4), 2, 4, N-trinitroanilinoacetic acid was synthesized from chlorobenzene and glycine with yield of 71.6%.

以纳米固体酸TiO2/SO(上标 2-下标 4)为催化剂，氯苯和氨基乙酸为原料直接合成了2，4，N-三硝基苯胺基乙酸，收率为71.6%。

In this paper, a new wide-neighborhood path-following algorithms for uniform P- function nonlinear complementary problems is presented, and its convergence and computational complexity is discussed. The results indicate that the algorithm is a polynomial-time one.

对一致P-函数非线性互补问题，提出了一种新的宽部域N(上标-下标∞路径跟踪算法，并讨论了该算法的收敛性及计算复杂性，分析结果表明，所给方法是一多项式时间算法。

Compared to the dater border, 44mm irrigation water and 20kg/hm^2 N are lost in the longer border.

试验研究不同灌溉畦长对灌水量、灌水均匀度与土壤NO(上标–下标 3)-N分布的影响。

As to the range of the coupling, it is expected to decay of index law in limited temperature, and it is expected as 1/R(superscript 3 subscript ij) at T=0 K.

至于耦合的范围，在有限温度时它将按指数规律衰减，在T=0 K时预期按1/R(上标 3 下标ij)衰减。

Results show that the superfine solid TiO2/SO(superscript 2- subscript 4) is nanocrystal with good dispersibility and its average size is 27 nm.

结果表明，所研制的TiO2/SO(上标 2-下标 4)催化剂为晶态纳米粒子，分散性较好，平均粒径为27 nm。

The research aimed to study the effects of calcium ions Pb(superscript 2+ and plumbum ions Cd(superscript 2+ on the physiological and biochemical indices of seedling trees of Yunhe Snow Pear to provide references for produce of Yunhe Snow Pear.

［目的］研究Pb(上标 2+)、Cd(上标 2+)及其复合处理对云和雪梨树苗生理生化指标的影响，为种苗生产提供参考。

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％。