螯

The Influence of Light and Dark Adaptation on the Ultrastructure of the Photoreceptor in Cherax quadricarinatus The Ultrastructure of the photoreceptor in Cherax quadricarinatus, which was in light and dark adaptation, was studied by electron microscopy.

二。光适应与暗适应对红螯螯虾光感受器超微结构的影响用透射电镜对光适应和暗适应时的红螯螯虾光感受器的超微结构进行了研究比较。

Days later,in order to find out the influence of the immune polysaccharide on the growth rate and disease-resistance of the Eriocheri sinensis, the weight of the Eriocheri sinensis were monitored and the experimental were challenged with the histoplasmin of diseased Eriocheri sinensis.

结果表明，在中华绒螯蟹的饲料中添加每千克蟹体重400.0mg至1200.0mg的免疫多糖，对中华绒螯蟹的生长速度和身体颜色等没有显著影响；能有效地增强供试中华绒螯蟹的抗病力，与对照组相比，经口服攻毒后投喂不同剂量免疫多糖试验组的中华绒螯蟹有效率为52.4%~66.77%，而经注射攻毒后各试验组中华绒螯蟹的有效率为39.2%~49.9%，口服攻毒后的有效率稍高可能与病原体的感染方式有关。

New ruthenium benzylidene complexes benzylidene[1,3-bis(2,6-dimethylphenyl)-4,5-dihydroimidazol-2-ylidene] [k~2-diphenylphosphinoacetato] monochlororuthenium (46), benzylidene[1,3-bis(2,6-dimethylphenyl)-4,5-dihydroimidazol-2-ylidene][k~2-3-propionato]monochlororuthenium (47), benzylidene[1,3-bis(2,6-dimethylphenyl)-4,5-dihydroimidazol-2-ylidene] [k~2-2-benzonato]monochlororuthenium (48) featured five-membered, flexible six-membered and rigidsix-membered chelating rings respectively are prepared by reactions of complex 41 withcorresponding sodium phosphino-carboxylates. It is confirmed by X-ray crystallographicanalysis that the coordination geometries of complexes 46 and 47 are distorted squarepyramids with phosphino-carboxylate ligands chelating to ruthenium, and the coordinationbetween ruthenium and benzylidene ligands are strengthened.

用二苯基瞵乙酸盐、二苯基膦丙酸盐、二苯基膦苯甲酸盐与钌卡宾配合物41反应合成了三个新的钌卡宾配合物：含五元膦-氧螯合环的1，3-二-(2，6-二甲苯基)-4，5-二氢咪唑基1-苯亚甲基--一氯合钌(46)、含六元柔性膦-氧螯合环的[1，3-二-(2，6-二甲苯基)-4，5-二氢咪唑基1-苯亚甲基--一氯合钌(47)及含六元刚性膦-氧螯合环的[1，3-二-(2，6-二甲苯基)-4，5-二氢咪唑基]-苯亚甲基--一氯合钌(48)。X射线单晶衍射分析证明，配合物46、47都为变形的四方锥构型，膦-氧与钌形成螯合配位，其中苯亚甲基与钌的配位得以加强。

1A:Crayfish Cambarus clarkii infection group 1×dose; 1b:Crayfish control; 1c: Repeat the infection of crayfish;2a-c: Corresponding: Macrobrachium rosenbergii、Macrobrachium nipponensis、Eriochier sinensis, Sinopotamon yangtsekiense; 3b: Shrimp from Tanghai typically infected with WSSV; 3c: Healthy shrimp control.

1a 螯虾感染组，1×剂量；1b 螯虾对照组；1c 以发病螯虾为毒源进行螯虾第2次感染；2a-c 依次罗氏沼虾、日本沼虾、中华绒螯蟹感染组；3a 长江华溪蟹；3b 唐海典型病虾；3c 健康对虾对照。

Morphological differences among two Eriocheir japonicus populations collected from Suifen River and Hepu River and two Eriocheir sinensis populations from Changjiang and Liaohe River were studied based on cluster analyzing and discriminal analyzing on 17 morphological characters , and the hybrids of Eriocheir sinensis× Eriocheir japonicus was also researched as an assistant subject.

选取合浦水系和绥芬河水系的日本绒螯蟹与长江水系和辽河水系的中华绒螯蟹4个绒螯蟹种群，以辽河水系绒螯蟹与绥芬河水系绒螯蟹杂交后代为辅助研究对象，对它们的17个外部形态特征分别进行聚类和判别分析。

Ingredients: Apple Cider Vinegar, Magnesium Chelate, Monocalcium Phosphate, Inositol, Ascorbic Acid, Biotin, Mixed Tocopherols, Niacinamide, Calcium Pantothenate, Zinc Chelate, Manganese Chelate, Vitamin A Palmitate, Copper Chelate, Vitamin D, Selenium Chelate, Chromium Chelate, Pyridoxine HCl, Ribofl avin, Thiamine HCl, Molybdenum Chelate, Cyanocobalamin, Folic Acid, Vanadium Chelate, Potassium Iodide.

果醋，螯合镁，磷酸一钙，肌醇，抗坏血酸，生物素，混合生育酚，烟碱醯胺，泛酸钙，螯合锌，螯合锰，维生素A棕榄脂，螯合铜，维生素，螯合硒，螯合铬，盐酸？哆辛，核黄素，盐酸硫胺素，螯合钼，氰钴，叶酸，螯合钒，碘化钾

The multivescicular bodies, lamellar bodies and mitochondrias were more than those were at light adaptation. The pigment granules located only in distal and proximal region of the retinular cell.

三。红螯螯虾幼体复眼的形态和超微结构应用电镜技术对红螯螯虾幼体复眼的形态和超微结构进行了研究。

This paper was mainly working on the biochemical changes (water, carbohydrate, lipid, fatty acid, protein, amino acid) during embryonic development of Cherax quadricarinatus. At the same time, we especially worked on the yolk protein-vitellin in two aspects: 1. Isolation, purification and characterization of vitellin from the ovary of female Cherax quadricarinatus.

本文对红螯螯虾胚胎发育过程中的主要生化物质(水分、碳水化合物、脂类、脂肪酸、蛋白质、氨基酸)进行了测定，特别是对胚胎发育过程中主要的营养物质——卵黄磷蛋白的结构和含量变化做了细致的研究，同时讨论了这些物质的变化与红螯螯虾胚胎发育形态发生的相关性。

The maximum calcium dissovling value is 318.75mg/g which is larger than the maximum value of EDTA. ESA is confirmed to be an excellent chelator for calcium by the results.

通过反应条件的优化，得出ESA的最大钙螯合值为318.75mg/g，大于EDTA等螯合剂的最大钙螯合值，是一种络合能力极强的螯合剂。

This paper discussed the existing fractions of nickel in natural soil, transformation of nickel fractions in soil and the effect of organic chelators on phytoextraction and biomass.

本文讨论了土壤中镍的存在形态以及有机螯合剂对土壤中镍形态的影响，并从植物吸收Ni的机制出发，阐述有机螯合剂对植物吸收Ni和植物生物量的影响，分析了植物修复的螯合诱导技术的一些局限性，并对植物修复螯合诱导技术提出展望。

By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.

到它被攻陷的时候，里面多数的犯人是写了反对政府贪污文章的作家。

The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.

在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色，卵在发育96h后卵基本全部孵化。