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In acid and alkali soil, there are mainly indissoluble bivalent or trivalent phosphates, which cannot be utilized by plants.

在酸碱性土壤中，磷主要以植物难以吸收利用的难溶性二价或三价阳离子的形式存在。

After more than 130 years,the Friedel-Crafts alkylation is still one of the most studied and most utilized reactions in organic synthesis.

Friedel-Crafts烷基化从最初发展到现在虽然有一百三十年的历史，但它依旧是有机合成中被研究和应用最多的化学反应之一。

Immunohistochemistry was utilized to investigate the light and electron micros- copic localization of neurotensin-like immunoreactive amacrine cells in the chicken retina.

本实验用光镜和电镜免疫组织化学方法研究神经紧张素(neurotensin，NT)样免疫反应无长突细胞在鸡视网膜的定位。

To avoid the influence of ammonolysis, alcoholysis and hydrolysis on molecular structure identification, in this paper, derivational estimation is utilized to confirm molecular structures ofβ-naphthol-containing sulfonyl chloride intermediates. Then the structures of corresponding sulfonamide dyes are also confirmed by FTIR,~1H NMR and mass spectrometry.

为了避免磺酰氯化合物发生水解、醇解和胺解等衍生化反应影响磺酰氯化合物分子结构表征，本文采用衍生化反推法证明了β-萘酚结构磺酰氯化合物的分子结构，并利用红外光谱、核磁共振氢谱、质谱表征了含β-萘酚结构磺酰胺染料的分子结构。

It's thought that Luxun's understanding to Buddhism should be divided into two stages. On the one hand, he had seen Buddhism as the enthusiasm of a kind of philosophy of life, and was deeply affected by its values and thinking; On the other hand, he had also seen that as the important part of China's traditional culture, utilized by the persons who "eat Buddhism", Buddhism became a tool which anaesthetize and cheat ordinary common people.

本文认为，鲁迅对佛教的认识和理解应当分为两个方面：一方面他看到了佛教作为一种人生观的积极性，并深受其价值观和思维方式的影响；另一方面，他也看到了作为中国传统文化的重要组成部分的佛教，在现代的日益世俗化后，被一批"吃教"的人所利用，成为对普通百姓进行麻醉和欺骗的工具。

The latter employs the suspected angular acceleration model, so that the uncertain vehicle dynamic model is avoided being utilized.

基于EKF的姿态求解算法，通过假定机体角加速度模型，避免了一般基于滤波方式的姿态算法中需要复杂刚体运动方程的缺点。

We utilized the simulated annealing algorithm to solve this kind of problems in this paper.

该算法是一种新的随机搜索方法，它是近年来提出的一种适合于解决大规模组合优化问题的通用而有效的近似算法。

We have had the extensive studies on theα-acetyl-α-carbamoyl ketene--acetals and its further applications, for example, their adols condensations with aldehydes giveα-alkenoyl-α-carbamoyl ketene--acetals which can be utilized as the 1,5-bielectronic five-carbon components to react with various binucleophlilic species in a [5+1] annulation.

我们小组在以前的工作中对α-乙酰基-α-胺甲酰基二硫缩烯酮在合成中的应用进行了深入的研究，如与醛缩合生成α-烯酰基-α-胺甲酰基二硫缩烯酮，将其作为1，5-双亲电五碳合成子的[5+1]成环策略等。

The free-fall method is utilized in order to minimize exposure to cold, the danger of anoxemia, and the effects of enemy fire.

这是为了最大可能地避开暴露在高空寒冷环境下，并且减少出现缺氧以及暴露在敌军火力下的危险。

To view on self as the anthropomorphic image utilized in interaction if using an avatar. The other

就像利用内部行为造成人神共体的幻觉一样，如果用化身的话还有一种重

We have something to do in the new stage.

在这段崭新的时期中，我们有一些要做的。

The difference between tourism decision-making under uncertainty and risky tourism decision-making is indistinctive.

其中不确定性旅游决策和风险旅游决策的界线比较模糊，两者的区分是相对的。