As round type surgical lamp, flower type also has big lamp head and small lamp head; the big lamp head surgical lamp, we call it Creled3400, the small lamp head surgical lamp, we call it Creled3300, the design of the burner focuses on reducing turbulence and the fully enclosed streamlined lamp shade is well designed according to aerodynamic principles. The smooth and sealess surface design is especially suited to the clean needs of the medical environment.
Single Dome Flower Ot Lamp,Single Dome Ot Lamp,Single Dome Surgery Light,Single Dome Operating Light Shandong Lewin Medical Equipment Co., Ltd. , https://www.operatinglight.nl
The method of stimulating oxytocin production was followed by dry stimulation with probiotics and seawater, followed by immersed in 0.15-0.25% ammonia water, then placed in a spawning pond containing warmed water, and warmed up to 28C. The pro-shellfish placed in the holding tank can be discharged naturally without artificial production. The discharge time is generally midnight or early morning. When pro-shellfish discharges, males spray milky white ejaculates in the outlet pipe in a cloud-like manner, while females evacuate light-yellow eggs or egg pieces and settle in the bottom of the sea. Emissions are sustained, sometimes for hours.
In order to obtain pure sperm and eggs, male and female progenitors should be discharged separately in different containers, then filtered with a sieve to remove impurities and semen for fertilization. The scorpion is monospermic and fertilized. It is not easy to have too much spermatozoa when fertilized. Generally, there are several sperms that can be actively surrounded around an egg to avoid excessive spermatozoa and deformed geeks. After fertilization, the eggs must be washed several times to remove the immature egg and excess sperm that are slowly settled, so that the embryonic bodies are incubated under good water conditions, and then the siphon method is used to preferentially concentrate the culture. The density is several to one milliliter of water per milliliter. More than ten are appropriate and should not be too dense.
Prevent harmful algae and protozoa from entering the culture tank. Culture water must be precipitated by black worms and strictly filtered before use. Appropriate specific gravity of water for cultivation ranges from 1.010 to 1.025. The optimum range is 1.015-1.025, the lower limit is between 1.005--1.010, and the upper limit is between 1.025-1.030.
The individuals of the larvae are relatively large. The shell length of the larvae is generally over 119 microns. The requirements for the grain size of the bait are not very strict. As the nursery work is carried out during the high temperature, the fed bait must pay special attention to prevent water corruption. It is advantageous to use artificially cultivated high temperature-resistant microalgae as bait.
When larvae migrate to benthic life, it is very important to put the substrate at the right time. The time of release was mainly based on the habits of the larvae. The larvae entering the metamorphosis stage were extremely active. The Portuguese slugs crawled, and the stick-like feet were frequently exposed. The soil-like movements were continuously performed to show the requirements for burial. Substrate. The sand should be fine sand not to exceed 150 μm, but it must be strictly disinfected. The thickness of the substrate can be controlled at 0.5 cm and no more than 1 cm. Turning to benthic seedlings will secrete a lot of mucus, often entangling themselves, affecting the normal life of seedlings, leading to death. In order to avoid mucus entangling the seedlings, in addition to strengthening the water exchange and stirring the water outside, with 118 heads /? 嫉 盅 盅 赋 赋 赋 逑 逑 逑 逑 逑 逑 逑 逑 逑 逑 逑 赶 赶 赶 赶 赶 赶 赶 赶 赶 纯 纯 纯 纯 纯 纯 纯Restored forgiveness
Clam seedling hatching technology
The choice of pro-shellfish is generally selected from individuals over 4 cm in size. For entrants over 4 cm in size from different sources, attention should be paid to sampling for cell maturity testing. When the gonads are full, the egg cells are spherical and the sperm swim more actively. Can be used as pro-shell, and vice versa. After the mature maternal oysters have been stimulated and spawned, a large amount of sperm and eggs are discharged. Poor sexual maturation progenitors, no matter what kind of induced measures, can not reach the peak discharge, and fine, poor egg quality, hatching more abnormal freak.