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There is also a phenomenon of juxtaposition, that is, in the process of differentiation, the flower bud of lotus is affected by some external environmental conditions, and it is divided into two meristematic centers, and then develops into two flower buds that look like twins, so it opens two flowers on one stalk and produces a pair of Lotus pods. This is an accidental phenomenon, and it is not a variety characteristic, so it cannot be inherited. There are seeds in the lotus shell, a thin seed coat outside, and white endosperm rich in nutrients inside.

Dense spines are inverted on the handle, and the connection between the petiole and the underground stem is white, while the water and above water parts are green. Working principle of the fuel injector when the high-pressure oil enters the annular oil chamber below the needle valve body through the flow channel, the oil pressure acts on the conical surface of the needle valve to generate upward thrust. All kinds of diesel engines have their own fuel supply advance angle, which is indicated in the product manual, and the steps and methods of adjusting the fuel supply advance angle in use are pointed out.

In addition, if the load is suddenly removed, the crankshaft speed will exceed the allowable upper limit, resulting in "runaway" phenomenon, which will damage the internal combustion engine parts and lead to serious accidents. The function of the gasoline engine supply system is to mix the gasoline and air evenly in a certain proportion to form a combustible mixing plug 2, an oil supply rod 3, an operating rod 4, and a high compliance limit synthesis nail gas according to the different working conditions of the gasoline engine. According to the working results of the full-scale centrifugal injector, the fuel supply rod 3 and the operating rod 4 supply the combustion work of the cylinder.

Red lotus group, such as red Chiba, etc. Pink lotus group, such as sunset and snow. In addition to China, it is distributed in Japan, the Soviet Union, India, Sri Lanka, Indonesia, Australia and other countries. It is also known as lotus flower, lotus dish, Shui Zhi, hibiscus, Shuihua, Shui Fu, Shui Dan, Shui Fu Rong, Zezhi, Yuhuan, Cao Fu Rong, June spring, Chinese lotus, etc. Like sunny and humus rich clay, it is an aquatic ornamental plant with beautiful flowers and leaves.

Single petal red lotus group, such as red scarf. Pink lotus group, such as bergamot, etc. Therefore, the fuel supply must be changed at any time according to the change of load to stabilize the speed of the internal combustion engine. The mechanical centrifugal governor is widely used in internal combustion engines. According to its speed regulation range, it can be divided into single system and full system. The single system dimmer only works at a certain speed, which is suitable for internal combustion engines with constant speed. The full system can work in all working ranges.

These change discs are driven to rotate by the transmission, the steel ball is installed in the groove inside the inclined plane of the drive disc, and the conical thrust disc is installed on the support shaft, which drives the oil supply rod to move and rotates the plunger of the fuel injection pump to increase or decrease the oil supply. The speed regulating spring installed between the thrust disc and the spring seat has a certain preload during installation, forcing the oil supply rod to be in the maximum oil supply position. Moving the paper handling lever can change the preload of the speed regulating spring.

The supply of modern small gasoline engine is composed of oil 5 driver's eye, 6 screws, ice 7 with quality seat, 8 adjustable clearance tank, sedimentation cup and carburetor (Figure). Gasoline flows into the sedimentation cup from the oil tank, filters out water and impurities in gasoline, and then enters the carburetor; After being filtered, the air also enters the carburetor. The number of double petals is 600~1300, and the red bowl lotus group, such as Yangcheng bowl lotus, etc. Pink bowl lotus group, such as xiaozuixian, etc. White bowl lotus group, such as snow white.

The carburetor atomizes gasoline and mixes it with air to form a combustible mixture with appropriate composition, which enters the cylinder through the air inlet pipe. The function of the governor is to automatically adjust the oil supply with the change of external load within the specified speed range, so that the crankshaft speed remains basically unchanged. When the internal combustion engine drives tractors and various operating machinery, the load of the internal combustion engine changes greatly because the running resistance of these machinery changes frequently and greatly.

Gasoline viscosity is small, impurities are easy to precipitate, and the gasoline engine supply system does not have a precision coupling like the diesel engine, so gasoline does not need fine filtration, and generally only a sedimentation cup with a filter screen is used. Small auto fishing machines mostly use gravity oil supply, and the position of the oil tank is higher than the carburetor. The growth law of lotus is that one side blooms, the other side bears fruit, and buds, flowers and lotus seeds coexist. When the temperature is as high as 41 ℃ (the water temperature is only 26-27 ℃), it has no effect on growth.

Then go to sleep. The whole growth period is about 160-190 days. Lotus group such as golden wind spread its wings. When starting, turn down the choke to reduce the amount of air entering the carburetor on the one hand, and reduce the air pressure behind the choke on the other hand, so as to increase the amount of gasoline ejected and enrich the mixture. The start enrichment button is installed on the float chamber cover. Press the button before starting, the float chamber oil rises, and gasoline overflows from the fuel injection pipe, increasing the concentration of very close gas.

Lotus likes humidity and is afraid of dryness. It likes relatively stable still water and does not like water with wide fluctuations. The pond planting load should be 0.3-1.2 meters deep. When planting lotus root for the first time, the water level should be between 20-40 cm. At a depth of 5 meters, only a few floating leaves can be seen. Without standing leaves, flowers cannot bloom. If the standing leaves are submerged for more than 10 days, there is a danger of extinction. In fact, it is a kind of flower state variation phenomenon of thousand petal lotus, and they cannot become varieties respectively.

7. August is the concentrated ripening period of fruits. Mid September, the ripening period of underground stems (lotus roots) under the next sentence, and mid October and late October are the withered and yellow period of stems and leaves. During the whole growth period, the optimum temperature is about 20-30 ℃. There is a green and flavored germ in the center of the endosperm, commonly known as lotus heart. Sleeping lotus has a long period, from May to September. It has rich colors, including white, pink, blue, purple, red, yellow and so on. It is an ornamental plant widely used in the special arrangement of waterscape in gardens.

When the temperature drops below 0 ℃ in winter, potted lotus roots are susceptible to aging. Lotus likes light, but does not tolerate shade. Under strong light, it grows and develops fast, blooms early, but withers early; Under weak light, although the growth and development are slow, the flowering is late, but the withering is also late. The lotus flowers are beautiful in color, with fragrance far away, clear waves and green covers, which are pleasing to the eye. The double petal white lotus group is like Longfei, the yellow lotus group is like water Huang Qiang, the single petal yellow bowl lotus group is like xiaojinfeng, and the double petal white bowl lotus group is like learning dance.

Since ancient times, lotus has become a precious aquatic flower in court gardens or private courtyards. It is also widely used in landscape architecture. Polychromatic lotus group, such as Meizhonghong, etc. In the growing season, water loss will not cause death as long as the soil is still wet, but the growth is weakened, and irrigation can be restored within 10 days. If the soil dries and cracks for 3-5 days, the leaves will wither, the growth will stagnate, and the water will be cut off for 4-5 days, the lotus root will dry and die.

The throttle continues to open, the main dosing device takes part in the work, and the idle speed device stops working. In order to make the gasoline engine run stably at low speed at idle speed, it is also equipped with an idle speed adjusting needle and an adjusting screw for the minimum opening of the throttle valve. The common starting enrichment devices for starting enrichment devices include choke and enrichment button (Figure). The choke is installed at the carburetor inlet. In families, some decorate balconies, and some insert bottles to clear supplies, beautifying the living environment.

It is straight in the middle and straight out, never creeping, facing the scorching sun without fear, and coming out of mud without dyeing, which has become one of the themes of poets and poets' singing and painting throughout the ages. Lotus has strong vitality and adaptability, and can be cultivated in most areas of China. Its phenological period in the Yangtze River Basin is; Budding in early April, the floating leaves of the middle sentence unfold; In the middle of May, the next sentence stands ye tingshui; The first flower begins in June, and the full bloom period is from late June to early August; The middle of September is the final flowering period.

At Dushun, the speed of the gasoline engine is low and a thicker mixture is required. At this time, the throttle valve is close to fully closed, and the air pressure at the throat in front of the valve is very high, close to atmospheric pressure. Gasoline cannot be ejected from the main nozzle, but the air pressure behind the throttle valve is very low. The idle nozzle is located here, and gasoline is foam ejected from the idle nozzle, which is blown away by the air flow at the edge of the throttle. As an economic plant, lotus is widely used and its whole body is treasure.

When the modern gasoline engine transits from idle speed to low load, the throttle valve gradually opens, the air pressure at the idle nozzle increases rapidly, and the fuel injection volume decreases quickly, but the main nozzle can not inject fuel, so the mixture is too thin, resulting in flameout. Therefore, an over wave nozzle is set near the idle nozzle, so that there are two nozzle holes to inject fuel during the transition, so that the mixture concentration changes smoothly. At present, the main dosing device that reduces the vacuum degree of the main metering hole is used.